FRENIC-MEGA (G2)
Specifications | Common Specifications

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

Item Explanation Remarks
Output Adjustment Maximum
output
frequency		 5 to 599 Hz variable setting
Base
frequency		 5 to 599 Hz variable setting (in conjunction with maximum output frequency)
Number of
motor poles setting		 2 to 128 poles
Starting
frequency		 0.1 to 60.0 Hz variable setting (0.0 Hz when performing speed sensorless vector control/vector control with speed sensor)
Carrier
frequency		 • 0.75 to 16 kHz variable setting
　HHD specification: 0.4 to 55 kW (type: 0003 to 0288 (200 V), type: 0002 to 0179 (400 V))
　HND specification: 5.5 to 18.5 kW (type: 0032 to 0088 (200 V), type: 0018 to 0045 (400 V))

• 0.75 to 10 kHz variable setting
　HHD specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HND specification: 22 to 55 kW (type: 0115 to 0288 (200 V), type: 0060 to 0179 (400 V))
　HD specification: 30 to 55 kW (type: 0085 to 0179 (400 V))

• 0.75 to 6 kHz variable setting
　HND specification: 75 to 630 kW (type: 0346 to 0432 (200 V), type: 0217 to 1480 (400 V))
　HD specification: 75 to 630 kW (type: 0217 to 1480 (400 V))
　ND specification: 30 to 630 kW (type: 0085 to 1480 (400 V))
　Note)The carrier frequency may automatically lower depending upon the ambient temperature or the output current to protect the inverter.
　(The automatic lowering function can be disabled.)
Output
frequency
accuracy		 • Analog setting : ±0.2% of maximum output frequency (at 25 ±10 °C) (77 ±18 °F)
• Keypad setting : ±0.01% of maximum output frequency (at 10 to +50 °C) (14 ±22 °F)
Frequency
setting
resolution		 • Analog setting : 1/3000 of maximum output frequency
• Keypad setting : 0.01 Hz
• Link setting : 1/20000 of maximum output frequency or 0.01 Hz (fixed)
Synchronous
motors		 When
performing V/f
control
with sensor(Note 1)
When
performing dynamic
torque vector control
with sensor(Note 2)		 Speed control Range • 1:20(Note 1), 1:200(Note 2) (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed
control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:200 (Minimum speed: Nominal speed)
• 1:2 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.5% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.5% of maximum output frequency or below (at 10 to +50 °C)
When performing
vector control
with sensor		 Speed control Range • 1:1500 (Minimum speed: Nominal speed)
• 1:16 (fixed torque area : fixed output area)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency or below (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency or below (at 10 to +50 °C)
When performing
sensorless vector
control		 Speed control
Range		 • 1:10 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.5% of nominal speed or below (at 25 ±10 °C)
• Digital setting: ±0.5% of nominal speed or below (at 10 ±50 °C°C)
When performing
vector control
with sensor		 Speed control
Range		 • 1:1500 (Minimum speed: Nominal speed)
• 1:2 (Limited by maximum output voltage)
Speed control
accuracy		 • Analog setting: ±0.2% of maximum output frequency (at 25 ±10 °C)
• Digital setting: ±0.01% of maximum output frequency (at 10 to +50 °C)
Control Control
method		 • V/f control
• Dynamic torque vector control
• V/f control with sensor, dynamic torque vector control with sensor
• Sensorless vector control
• Vector control with sensor
• Sensorless vector control (synchronous motors)
• Vector control with sensor (synchronous motors)
Voltage/frequency
characteristics		 200V series • The base frequency and maximum output frequency are common, and the voltage can be set between 80 and 240 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 240 V) and frequency (0 to 599 Hz) can be set.
400V series • The base frequency and maximum output frequency are common, and the voltage can be set between 160 and 500 V.
• AVR control can be turned ON or OFF.
• Non linear V/f setting (3 points): The desired voltage (0 to 500 V) and frequency (0 to 599 Hz) can be set.
Torque boost • Auto torque boost (for constant torque load)
• Manual torque boost: The desired torque boost value (0.0 to 20.0%) can be set.
• The applicable load can be selected (for constant torque load, quadratic-torque load)
Starting torque
(HHD specification)		 • FRN0115G2S-2G/FRN0060G2■-4G or below 200% or higher,
• FRN0146G2S-2G/FRN0085G2■-4G or above 180% or higher
set frequency: 0.3 Hz, when performing V/f control
(base frequency: 50 Hz, slip compensation/auto torque boost)
Running･operation Key operation: Start and stop with RUN and STOP keys (LED keypad)
Start and stop with FWD， REV， and STOP keys (optional multi-function keypad)
External signals: Forward (reverse) rotation, start/stop commands [2-wire/3-wire operable], (digital input) coast to stop command, external alarm, alarm reset, etc.
Link operation: Operation through RS-485, field bus communication (option)
Run command switching : Remote/local switching, link switching
[RUN] key memory : Memorizes the state of the RUN key in the event of a power failure during operation using the keypad, and resumes operation after power is restored.
Frequency
setting		 Keypad operation : Using up and down keys
External potentiometer: Using external frequency command potentiometer(external resistor of 1 to 5 kΩ, 1/2 W)
Analog input : Voltage input (terminal [12], [V2], [C1] (V3 function))
0 to ±10 VDC (±5 VDC)/0 to ±100%
0 to +10 VDC (+5 VDC)/0 to +100%
(+1 to +5 VDC can also be adjusted with bias, analog input gain)
Voltage input (terminal [C1] (C1 function))
4 to 20 mA DC/0 to 100%, 0 to 20 mA DC/0 to 100%
4 to 20 mA DC/-100 to +100%, 0 to 20 mA DC/-100 to +100%
Item Explanation Remarks
Control Frequency
setting		 UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
The frequency recorded with digital input “STZ” can be cleared.
Multistep frequency selection: Selectable from 16 different frequencies (step 0 to 15)
Pattern operation: The inverter runs automatically according to the previously specified run time, rotation direction,
acceleration/deceleration time and reference frequency. Up to 7 stages can be specified.
Link operation: Setting through RS-485, field bus communication (option) (built in as standard)
Frequency setting switching: Two types of frequency settings can be switched with an external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Can be selected by adding and entering the respective terminal [12], [C1], or [V2] inputs.
Operation at a specified ratio: The ratio can be set with an analog input signal..
Inverse operation: Can be switched from “0 to +10 VDC/0 to 100%” to
10 to 0 VDC/0 to 100%” from an external source.
Can be switched from “4 to 20 mA DC/0 to 100%” to “20 to 4 mA DC/0 to 100%” from an external source.
Can be switched from “0 to 20 mA DC/0 to 100%” to “20 to 0 mA DC/0 to 100%” from an external source.
Pulse train input:
(standard)		 Pulse input = terminal [X6], [X7],
forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Pulse train input:
(option)		 PG interface option, forward/reverse pulse, pulse + rotation direction
Complementary output: Max. 100 kHz Open collector output: Max. 30 kHz
Acceleration/
deceleration time		 Setting range: Setting range from 0.00 to 6000 s
Switching: The four types of acceleration/deceleration time can be set or selected individually (switchable during operation).
Acceleration/deceleration pattern:
Deceleration mode (coast to stop): Shutoff of the run command lets the motor coast to a stop.
Forcible stop deceleration time: Deceleration stop in exclusive deceleration time by forced stop (STOP).
• Dedicated acceleration/deceleration time for jogging:
• It is possible to switch between acceleration/deceleration time = 0 with acceleration/deceleration operation cancel “BPS”.
Frequency limiter
(upper limit and lower limit
frequencies)		 • Specifies the upper and lower frequencies in Hz.
• Processing can be selected when the reference frequency is less than the lower limit (F16).
(The output frequency will be maintained at the lower limit/motor decelerates and stops.)
• Setting is possible with analog input (terminal【12】,【C1】,【V2】,【V3】).
Frequency/
PID command bias		 • Frequency: Set between 0 and ±200%
• PID command: Set between 0 to ±100%
Analog
input		 • Gain: Setting range from 0 to 400%
• Offset: Setting range from 5.0 to +5.0%
• Filter: Setting range from 0.00 to 5.00s
Jump
frequency		 Six operation points and their common jump width (0 to 30.0 Hz) can be set.
Ready for
jogging		 Operation with RUN key (LED keypad), FWD or REV keys
(Multi function keypad), or digital contact inputs “FWD” or “REV”
(Exclusive acceleration/deceleration time setting, exclusive frequency setting)
Restart mode after
momentary power
failure		 • Trip immediately: Trip immediately at the time of power failure.
• Trip after recovery from power failure: Coast to a stop at the time of power failure and trip when the power is recovered.
• Trip after decelerate to stop: Deceleration stop at power failure, and trip after stoppage
• Continue to run: Operation is continued using the load inertia energy.
• Start at the frequency selected before momentary power failure: Free run at power failure and start after power recovery at
the frequency selected before momentary stop.
• Start at starting frequency: Free run at power failure and start at the starting frequency after power recovery.
• Start at frequency of power recovery: Free run at power failure, and start after power recovery by searching for the speed.
Current
limiting		 Hardware
current limiter		 Current is limited with hardware to prevent overcurrent trip due to high-speed load fluctuations or momentary power failure which
cannot be handled with software current limiting. (This limiter can be canceled.)
Software
current limiter		 Automatically reduces the frequency so that the output current becomes lower than the preset operation level.
(This limiter can be canceled.)
The operation can be selected (operation at constant speed only, operation when accelerating and at constant speed).
Operation by commercial
power supply		 • With commercial power selection commands (“SW50”, “SW60”), the inverter outputs 50/60 Hz.
• Commercial switching sequence built in
Slip
compensation		 Compensates for decrease in speed according to the load.
Droop
control		 Decreases the speed according to the load torque.
Torque limit
control		 • Switchable between 1st and 2nd torque limit values.
• Torque limiting/torque current limiting/power limiting for each quadrant
• Analog torque limit input
PID
control		 • PID processor for process control/dancer control
• Switch normal/inverse operation
• Command: Keypad, analog input (terminals【12】,【C1】,【V2】,【V3】), multi-stage setting (selectable from 3 options),
RS-485 communication, fieldbus communication (optional)
• Feedback value: Analog input (terminals【12】,【C1】,【V2】,【V3】)
• Alarm output (absolute value alarm, deviation alarm)
• PID feedback error detection
• Sensor input scaling function
• Sensor input conversion/calculation function
• Low liquid level stop function (pressurized operation possible before low liquid level stop)
• Automatic frequency update function for stoppage due to small water quantity
• Anti reset wind up function
• Output limiter
• Integration reset/hold
• PID constant auto tuning function for process control PID controlle
• Built-in external PID controller: 3 sets
Retry • Automatically releases the trip state and resumes operation up to the set number of times without outputting a batch alarm
even if the protective function to be retried is activated.
• Can be set up to 20 times (configurable by function code).
• Can set the wait time before resetting.
• Can set the alarm to be retried
Item Explanation Remarks
Control Auto search The motor speed is estimated before startup, and the motor is started without ever stopping the motor while it is idling. (Motor constants must be tuned. Auto tuning (offline))
Anti regenerative control (Automatic deceleration)
  • If the intermediate DC voltage/torque calculation value reach or exceed the anti regenerative control level when the motor is decelerating, the deceleration time is automatically extended to avoid an overvoltage trip. (Forced deceleration can be set at three or more times the deceleration time.)
  • If the torque calculation value reaches or exceeds the anti regenerative control level during constant speed operation, overvoltage tripping is avoided by performing control to raise the frequency.
Deceleration characteristics (Improvement of braking performance)
  • The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip.
  • Can be set for use with AVR cancellation
Auto energy saving operation Controls the output voltage to minimize the total sum of the motor loss and inverter loss.
(Auto energy saving control can be turned ON and OFF from an external source with a digital input signal.)
Overload prevention control If the surrounding temperature or IGBT junction temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
Offline tuning Tunes the motor while the motor is stopped or running, for setting up motor parameters.
Offline tuning This corrects changes in motor constants caused by temperature rise.
Cooling fan
ON OFF control
  • Detects inverter internal temperature and stops cooling fan when the temperature is low.
  • Possible to output a fan control signal to an external device.
Motor 1 to 4 settings
  • Switching is possible between 4 motors.
  • It is possible to switch between four types of specific function code data (switching is possible while the motor is running.)
    The following data can be set for motors 1 to 4: base frequency, rated current, torque boost, electronic thermal slip compensation.
Universal DI Transfers the status of an external digital signal connected with the general purpose digital input terminal to the host controller.
Universal DO Outputs a digital command signal sent from the host controller to the general purpose digital output terminal.
Universal AO Outputs an analog command signal sent from the host controller to the analog output terminal.
Speed control
  • Selectable among the four set of the auto speed regulator (ASR) parameters.
  • Notch filter for vibration control
Line speed control Regulates the motor speed to keep the peripheral speed constant even if the roll winding diameter changes on machines such as winders and unwinders. Tension can be controlled when used in combination with PID control. (A PG option card is required.)
Master follower operation Two motors can be run synchronously using a pulse generator (PG). (A PG option card is required.)
Pre excitation Excitation is carried out to create the motor flux before starting the motor.
Zero speed control Performs speed control by forcibly setting the speed command to zero.
Servo lock Stops the motor and holds the motor in the stopped position.
DC braking
  • Applies DC current to the motor at the operation start time or at the time of inverter stop to generate braking torque.
Mechanical brake control
  • It is possible to output mechanical brake control signals with the brake ON/OFF timing adjusted by the output current, torque commands, output frequency and timer.
  • The output timing of control signals can be adjusted individually when performing
  • Errors can be detected with mechanical brake operation check input signals.
Torque control
  • Analog torque command input
  • Speed limit function is provided to prevent the motor from becoming out of control.
  • Torque bias (with analog setting, digital setting) possible
Rotation direction limitation Select either of reverse or forward rotation prevention.
Motor condensation prevention Current flows automatically when the motor is stopped, and the motor temperature is raised to prevent condensation.
Customizable logic It is possible to select or connect digital logic circuits or analog operation circuits with digital/analog I/O signals, configure a simple relay sequence, and operate it freely. (The maximum number of steps is 260)
Battery operation Inverters at which an undervoltage has occurred are run with the battery power.
1.5 to 37 kW (type: 0008 to 0180) (200 V class), 1.5 to 55 kW (type: 0004 to 0179) (400 V class)
Overload stop function When used for hoisting applications, the motor stops if the inverter detects excessive torque during ascent. After the overload is detected, operation is possible only in the descend direction.
Load adaptive control function If the load is lighter than the preset load level, operation can be performed at a frequency that is the set frequency multiplied by a specified ratio / the maximum allowable frequency depending on the load (e.g., vertical transportation machines, conveyors).
Position control •Absolute/relative positioning is possible using a pulse encoder
•The stop target postion can be set by the user's preferred unit system(using electronic gears) via function code (8 point) communication.
•Home return, Preset, Clear function, Teaching function
•Position regulator (APR), Position feed forward function
•Movable range is settable by overtravel detection and stop function
Orientation function This function makes it possible for rotors such as machine tool spindles and turntables to be positioned. Stop target position can be set by a function code (8 points)
Pump control ・ Cascade operation (drive motor fixed type: 1+8 units, drive motor circulation type: 4 units (when OPC-RY2 is used))
・ Operation time equalization function
・ Bite prevention function
・ Auxiliary motor control function
・ Check valve protection function
・ High-frequency operation detection function
・ Boost function
・ Drought detection function
・ Filter clogging prevention function
・ Large water quantity detection function
Rotary operation Inverters can be connected to each other using RTU communication (up to 3 units)
Wet bulb temperature estimation control This function estimates the wet-bulb temperature in the fan control of the cooling tower and controls the fan so that the cooling water is linked with the outside air (wet-bulb) temperature to suppress unnecessary power consumption.
Scheduled Operation By combining with the RTC built into the multifunctional keypad (TP-A2SW), it can run/stop the inverter and output external signals.
・Can set 4 timers per week
・Can set holidays (20 days per year)
・Can correct for daylight saving time (DST)
Favorites function code The function code can be registered in “Favorites” and displayed (Applicable to all function codes).
Data initialization All function codes and limited function codes can be initialized.(Per motor, non-communication-related, customized logic only, Favorites only)
Item Explanation Remarks
Control Simulated operation mode Sequence check is possible without inverter output.
Start check function To ensure safety, the presence or absence of an operation command is checked at power-on, at alarm reset, and when switching operation command methods. An alarm is displayed if an operation command has been input.
Multifunction key During the operation mode, the multifunction key “M/SHIFT” on LED keypads (TP-E2) can be used as an input method to activate the input terminal function like the X terminal.
Traceback Data immediately before a trip are automatically saved such as frequency, voltage, current (user-selectable). Saved data is displayed and analyzed with the PC loader.
Display Running/stopping Speed monitor (reference frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication percentage),
output current [A], output voltage [V], calculated torque [%], power consumption [kW], PID command value, PID feedback value, PID output, load factor [%], motor output [kW], torque current (%), magnetic flux command (%), analog input monitor, input watt hour
Inverter lifetime alarm
  • It is judged that the life of main circuit capacitors, electrolytic capacitors on PCBs,IGBT or the cooling fan has been reached.
  • Life alarm information can be output externally.
  • Ambient temperature: 40 °C Load factor: Inverter rated current of 100% (HHD specification), 80% (HND, HD, ND specification)
Cumulative operating status
  • The inverter cumulative running time, cumulative input watt hours, and motor cumulative running time/start count (for each motor) is displayed.
  • A warning is output if the maintenance time or startup count set beforehand is exceeded.
Trip Displays the cause of a trip.
Light alarm The cause of light alarms is displayed.
During operation, when trip occurs
  • Trip history: The cause (code) of the up to the last four trips is retained and displayed.
  • All kinds of running status data for up to the past 10 trips is retained and displayed.
  • Date and time can be displayed in the history by using the clock function (TP-A2SW)
Protective functions Overcurrent protection Stops the inverter to protect it from overcurrent caused by an overload. OC1 OC2 OC3
Short circuit protection Stops the inverter to protect it from overcurrent caused by shorting of the output circuit.
Ground fault protection Detects the overcurrent caused by the ground fault of the output circuit and stops the inverter Protection may be disabled if the power is turned ON with the ground fault still occurring.
Detects output current zero-phase current, and stops the inverter to protect it from overcurrent caused by an output circuit ground fault. (5.5 kW or higher) EF
Overvoltage protection Stops the inverter if a DC intermediate circuit overvoltage (400V series: 800 VDC, 200V series: 400 VDC) is detected. The inverter cannot be protected if an excessively large voltage is applied by accident. OV1 OV2 OV3
Undervoltage protection Stops the inverter if a drop in DC intermediate circuit voltage (400V series: 400 VDC, 200V series: 200 VDC) is detected. However, this is disabled based on the restart after momentary power failure setting. Furthermore, operation is possible (regenerative operation only) at a voltage level lower than that above when performing battery operation. LV
Input phase loss protection Stops the inverter if input voltage phase loss or interphase unbalance factor is detected. If the load is light, or when a DC reactor is connected, input phase loss may not function. Lin
Output phase loss protection Stops the inverter if inverter output phase loss is detected during operation.
This protective function also functions during auto tuning and during magnetic pole position tuning. (Operation selection possible)		 OPL
Overheat protection Stops the inverter if a cooling fan fault, or cooling fin overheating when an overload occurs is detected. OH1
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH3
Stops the inverter if inverter unit internal charging resistor overheating is detected. OH6
By setting the braking resistor electronic thermal overload relay function, the inverter is stopped to protect the braking resistor from overheating. dbH
Inverter overload protection Stops the inverter if overheating is detected by calculating the IGBT internal temperature from the output current and detected internal temperature. OLU
External alarm input Stops the inverter and displays an error if a digital input signal (THR) is input. OH2
Fuse blown Stops the inverter and displays an error if a fuse is blown inside the inverter. (75 kW or higher (type: 0346 to 0432 (200 V))) (90 kW or higher (type: 0261 to 1480 (400 V))) FUS
Charging circuit fault Stops the inverter and displays an error if an inverter charging circuit error is detected. (Type: 0008 to 0432(200 V), Type: 0004 to 1480 (400 V)) PbF
Braking transistor fault Stops the inverter and displays an error if a braking transistor error is detected.(Type: 0003 to 0288(200 V), Type: 0002 to 0217(400 V)) dbA
Motor protection Electronic thermal overload relay Stops the inverter if a motor overload is detected by setting the electronic thermal overload relay. Protects general-purpose motors and inverter motors in the entire frequency range. (The operation level and thermal time constant (0.5 to 75.0 minutes) can be set.) OL1 to OL4
PTC/NTC thermistor The motor temperature is detected by the PTC/NTC thermistor, and the inverter is stopped if overheating is detected.
To enable this function, connect the PTC/NTC thermistor between terminals【V2】and【11】, and enable the switch on the control board.		 OH4
NTC thermistor wire break The inverter is stopped and an error is displayed if a wire break is detected at the NTC thermistor connected between terminals [V2] and [11]. nrb
Memory error When the power is turned ON, a data check is performed when writing data, and an error is displayed if a memory error is detected. Er1
Keypad communication error Stops the inverter and displays an error if a communication fault is detected at the keypad during operation. Er2
CPU error Stops the inverter and displays an error if a CPU error is detected due to noise, etc. Er3
Option communication error Stops the inverter and displays an error if a communication error with the inverter unit is detected when using an option. Er4
Option error Stops the inverter and displays an error if an error is detected at the option side when using an option. Er5
Operation error STOPkey priority
Even when run commands are entered via the terminal block or communication, by pressing the keypad STOP button, the inverter forcibly decelerates and stops the motor, and an error is displayed after the motor has come to a stop.		 Er6
Start check
When the power is turned ON, an alarm is cleared, or when switching the run command method from link operation,
the sudden starting of operation is suppressed if a run command has been entered, and an error is displayed to notify the operator.
Brake status error
Stops the inverter and displays an error if the brake signal (BRKS) output status and brake ON check signal (BRKE) input status do not match.
Tuning error Stops the inverter and displays an error if tuning failure or interruption is detected during motor constant tuning, or if the tuning result is a defect. Er7
RS-485 communication error (COM port 1) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 1. Er8
Item Explanation Remarks
Protective functions RS-485 communication error (COM port 2) Stops the inverter and displays an error if a communication error is detected when communicating via RS-485 COM port 2. ErP
Data saving error during undervoltage Stops the inverter and displays an error if unable to successfully save data when undervoltage protection is triggered.
ErF
Position control error Stops the inverter and displays an error if the positioning deviation is excessive when the servo lock is applied, or when performing master-follower operation. Ero
Hardware error Stops the inverter and displays an error if an inverter internal hardware fault is detected. ErH
STOP input (EN1, EN2)
terminal circuit error		 Stops the inverter and displays an error if the inverter detects an【EN1】or【EN2】terminal circuit mismatch. ECF
PG wire break Stops the inverter and displays an error if a pulse encoder wire break is detected. (This function is valid on some PG interface option cards.) PG
Excessive positioning deviation Stops the inverter and displays an error if the position deviation is found to be excessive while performing position control. d0
Overspeed protection Stops the inverter and displays an error if the following conditions are met.
  • If d35 = 999, the speed detection value is the maximum output frequency x (d32 or d33) x 120% or higher
  • If d35 ≠ 999, the speed detection value is the maximum output frequency x (d35) or higher
  • The detection value exceeds 599 Hz
 OS
Magnetic pole position detection error Stops the inverter and displays an error if the signal from the magnetic pole position sensor mounted on the PM motor is abnormal. ErC
Step-out detection/ detection failure of magnetic pole position at startup This occurs when a PM motor step-out is detected, or if magnetic pole position detection fails when starting. Erd
Speed inconsistency/ excessive speed deviation Stops the inverter and displays an error if the state in which the speed deviation between the command speed and detected speed (ASR feedback) is too great continues for the specified time or longer. ErE
Password protection Stops the inverter and displays an error if an attempt is made by a malicious third party to disable the password set by the user. LoK
Customizable logic error Stops the inverter and displays an error if an attempt is made to make changes to customizable logic related settings while the inverter is running. ECL
Simulation failure A simulation failure can be produced if the keypad STOP button and FUNK/DATA button are held down for 5 seconds or longer.
A simulation failure can be produced even if function code H45 is set to “1”.		 Err
Current input terminal signal line break detection Stops the inverter and displays an error if a line break is detected when current is less than 2 mA when using the current input terminal (terminal【C1】or【C2】) as current input 4 to 20 mA. CoF
Customizable logic alarm An error is displayed if the alarm conditions defined by the user with customizable logic are met. (This is not an error at the inverter itself.) CA1 to CA5
EN (STO) terminal OFF This is displayed if the run command turns ON when both terminal【EN1】and【EN2】are OFF, and the inverter is not ready to perform operation (STO status). En.OFF
Minor failure(Warnings) Cooling fin overheating (OH1), external alarm (OH2), inverter internal overheating (OH3), charging resistor overheating (OH6), braking resistor overheating (dbH), thermistor (NTC) wire break (nrb), motor overload (OL1 to OL4), option communication error (Er4), option error (Er5), RS-485 communication error (COM port 1) (Er8), RS-485 communication error (COM port 2) (ErP), master-follower synchronization error (Ero), position control error (d0), speed does not reach (ErE)/excessive speed deviation (ErE), current input (terminal [C1]/[C2]) wire break detection (CoF), DC fan lock detection (FAL) , Excessive position deviation (d0), Low battery warning/Date and time information loss (Lob) , PID1 feedback error 1,2(PV1,PV2) , Feedback error (External PID)(PVA,PVb,PVC) , Dry-run protection(Pdr),Control of maximum starts per hour(roC), End of curve protection (PoL), Filter clogging error(FoL), Impeller anti-jam (rLo) , Userdefined alarm (CA1 to CA5)
Motor overload early warning OL
Cooling fin overheat early warning OH
Lifetime warning LiF
Reference command loss detected rEF
PID warning output Pid
Low torque detection uTL
Overheat warning by PTC thermistor in motor PTC
Machine life (Cumulative motor running hours) rTE
Inverter life (Number of startups) CnT
PID control 1,2 warning output PA1 , PA2
External PID control1,2,3 warning output PAA, PAb, PAC
Follower inverter alarm in mutual operation SLA
IGBT lifetime warning iGb
Reduced air flow warning rAF
Relay signals are output while the inverter is stopped due to an alarm. The alarm is cleared with digital input signal “RST”. (Reset the alarm using the [PRG/RESET] key on the optional Multi-function keypad.)
Retry The inverter can be automatically reset allowing it to be restarted when it stops due to a trip.(The number of retries and the latency between stop and reset can be specified.)
Overload prevention control
  • Overload prevention control (Input phase loss): In case of input missing phase, the output frequency is reduced to reduce the load and operation is continued as long as possible.
  • Overload prevention control (Low voltage): When the output current increases due to a drop in power supply and an overload condition occurs, the output frequency is reduced to reduce the load and operation is continued as long as possible.
Surge protection This function protects the inverter from a surge voltage between main circuit power lines and the ground.
Main circuit power cutoff detection
  • Inverter operation is not possible when the inverter AC input power supply (main power supply) is not ON.
  • In such cases as when supplying power via a PWM converter or when using a DC bus bar connection, set main circuit power cutoff detection to “None”.
Forced operation (Fire mode) Alarms other than critical alarms are ignored, and a retry is performed forcibly.
Usage location Indoors (environmental standard IEC60721-3-3:3C2); No corrosive gas, flammable gas, dust, oil mist (pollution level 2 (IEC60664-1)); No direct sunlight
Item Explanation Remarks
Environmental Ambient temperature HHD, HND: -10 to +55°C [14 to 131°F] (current derating necessary in +50 to +55°C [122 to 131°F] range)
HD, ND : -10 to +55°C [14 to 131°F] (current derating necessary in +40 to +55°C [104 to 131°F] range)
Ambient
humidity		 5 to 95% RH (avoid condensation)
Altitude 1000 m or less
Vibration
Type (voltage series) 2 to less than 9 Hz 9 to less than 20 Hz 20 to less than 55 Hz 55 to 200 Hz
Type: 0115 or lower (200 V)
Type: 0060 or lower (400 V)		 3 mm (max. amplitude) 9.8 m/s2 5.9 m/s2 1 m/s2
Type: 0146 to 0288 (200 V)
Type: 0085 to 0217 (400 V)		 2 m/s2
Type: 0346 or higher (200 V)
Type: 0261 or higher (400 V)		 2 m/s2
Storage temperature
  • -25 to +70°C (during transport)
  • -25 to +65°C (during temporary storage)
Relative
humidity		 5 to 95% RH (avoid condensation)

Note

For details, refer to the FRENIC-MEGA (G2) User’s Manual.

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