Home > Products & Solutions > AC Drives (LV) > FRENIC-MEGA > Standard Specifications Common Specifications

Standard Specifications Common Specifications

Common Specifications

Item
Explanation
Remarks

Output frequency

Setting range

Maximum frequency
・25 to 500Hz (HD spec, V/f control *1, *2, *3)
・25 to 200Hz (HD spec, V/f control w/ PG/vector control w/ PG *4, *5, *7)
・25 to 120Hz (HD spec, sensorless vector control *6 LD spec, various controls*1 to 7)
 
Base frequency ・25 to 500Hz variable setting (LD spec: 120Hz)  
Starting frequency
・0.1 to 60.0Hz variable setting (sensorless vector control *6/ vector control w/ PG, 0.0Hz for *7)
 
Carrier frequency
・0.75 to 16kHz variable setting (HD spec: 0.4 to 55kW, LD spec: 5.5 to 18.5kW)
・0.75 to 10kHz variable setting (HD spec: 75 to 400kW, LD spec: 22 to 55kW)
・0.75 to 6kHz variable setting (HD spec: 500 to 630kW, LD spec: 75 to 500kW)
・0.75 to 4kHz variable setting (LD spec: 630kW)
Note) Frequency drops automatically to protect the inverter depending on environmental temperature and output current. (This auto drop function can be canceled.)
 
Output frequency accuracy
・Analog setting: ±0.2% of max. frequency (at 25±10°C) *1
・Keypad setting: ±0.01% of max. frequency (at -10 to +50°C)
 
Setting resolution ・Analog setting: 1/3000 of max. frequency (1/1500 with V2 input) The resolution can be set in the function code. (0.01 to 500Hz)
・Keypad setting: 0.01Hz (99.99Hz or less), 0.1Hz (100.0 to 500Hz)
・Link setting: 1/20000 of max. frequency or 0.01Hz (fixed)
*8
Speed control range ・Min. speed: Base speed 1:1500 (4P 1r/min to 1500r/min) *7
・Min. speed: Base speed 1:200 (4P 7.5r/min to 1500r/min) *6
・Min. speed: Base speed 1:100 1:200 (4P 15r/min to 1500r/min, 1024p/r) *4, *5
・Min. speed: Base speed 1:4 *7
・Min. speed: Base speed 1:2 *4 ,*5 ,*6

*8
*8

*8

Speed control accuracy
・Analog setting: ±0.2% of max. frequency (at 25±10°C) *4,*5,*7
・Digital setting: ±0.01% of max. frequency (at -10 to +50°C)
 
・Analog setting: ±0.5% or below of base speed (at 25±10°C) *6
・Digital setting: ±0.5% or below of base speed (at -10 to +50°C)
*8
Control Control method

・V/f control *1
・Dynamic torque vector control *2
・V/f control, the slip compensation is available. *3
・V/f control w/ speed sensor (PG optional) *4
・Dynamic torque vector control w/ speed sensor (PG optional) *5
・Speed sensorless vector control *6
・Vector control w/ speed sensor (PG optional) *7




*8
*8
*8
Voltage/freq. characteristic
200V
series
・Base frequency and max. output frequency can be set to 80 to 240V in common.
・The AVR control ON/OFF can be selected. *1, *4
・Non-linear V/f setting (3 points): Free voltage (0 to 240V) and frequency (0 to 500Hz) can be set. *1, *4
 
400V
eries
・Base frequency and max. output frequency can be set to 160 to 240V in common.
・The AVR control ON/OFF can be selected. *1, *4
・Non-linear V/f setting (3 points): Free voltage (0 to 240V) and frequency (0 to 500Hz) can be set. *1, *4
Torque boost
・Auto torque boost (For constant torque load) *1 to *4
・Manual torque boost: Torque boost value can be set between 0.0 and 20.0%. *1,*4
・An applied load can be selected. (For constant torque load and variable torque load) *1,*4
 
Starting torque (HD spec)

・22kW or below: 200% or higher, 30kW or above: 180% or higher/set frequency: 0.3Hz *6
・22kW or below: 200% or higher, 30kW or above: 180% or higher/set frequency: 0.3Hz :Base frequency 50Hz, slip compensation and auto torque boost operation *1 to*4
*8
Start/operation Keypad
operation
Start and stop with keys
(Remote keypad : supplied as standard)
 
Start and stop with keys
(Multifunctional keypad : optional)
External signals: FWD (REV), RUN, STOP commands (3 wire operation possible), (digital inputs) coast-to-stop, external alarm, alarm reset, etc.
 
Linked operation: Operation through RS-485 or field buss (option) communications  
Switching operation command: Remote/local switching, link switching  
Frequency setting
Keypad
operation
: Can be set; with keys
"DC+1 to +5V" can be adjusted with bias and analog input gain.
External Volume: Can be set with external potentiometer. (1 to 5kΩ 1/2W)
Analog Input : 0 to ±10V DC (±5V DC)/0 to ±100% (terminal 12,V2) , 0 to +10V DC (+5V DC)/0+ +100% (terminal 12,V2)
  +4 to +20mA DC/0 to 100% (terminal C1)
UP/DOWN operation: Frequency can be increased or decreased while the digital input signal is ON.
Multistep frequency: Selectable from 16 steps (step 0 to 15)
Linked operation: Frequency can be set through RS-485. (Standard setting)
Switching frequency setting: Frequency setting can be switched (2 settings) with external signal (digital input). Remote/local switching, link switching
Auxiliary frequency setting: Terminal 12, C1 or V2 input can be selected respectively as an additional input.
Operation at a specified ratio: The ratio can be set by analog input signal.
Inverse operation:   The setting "0 to +10V DC/0 to 100%" can be switched to "+10 to 0V DC/0 to 100%" by external command.
    The setting "4 to +20mA DC/0 to 100%" can be switched to "+20 to 4mA DC/0 to 100%" by external command.
Pulse train input:   Pulse input = X7 terminal, rotational direction = general terminal
Complementary output: Max. 100kHz, Open collector output: Max. 30kHz
Pulse train input:   PG interface option CW/CCW pulse, pulse + rotational direction
Complementary output: Max. 100kHz, Open collector output: Max. 25kHz
Acceleration/deceleration time

Setting range: Between 0.00 and 6000s  
Switch: The four types of accel./decel. time can be set or selected individually (switchable during operation).  
Acceleration/deceleration pattern: Linear accel./decel., S-shape accel./decel. (weak, free, (strong)), curvilinear accel./decel. (accel./decel. max. capacity of constant output)  
Decel. mode (coast-to-stop): Coast-to-stop at the operation command OFF.  
Forcible stop decel. time: Deceleration stop by the forcible stop stop.  
Auto tuning by shortest accel./decel. mode and optimal accel./decel. mode *8
Frequency limiter
(Upper limit and lower limit frequencies)
・Both upper and lower limit frequencies can be variably set in hertz.
・It is possible to choose the operation done when the set frequency drops below the lower limit from between continuous operation at lower limit frequency and operation stop.
 
Bias frequency
・Bias of set frequency and PID command can be independently set (setting range: 0 to ±100%).  
Analog input ・ Gain : Set in the range from 0 to 200%
・ Off-set : Set in the range from -5.0 to +5.0%
・ Filter : Set in the range from 0.00s to 5.00s

 
Jump frequency
・Actuation points (3 points) and their common jump widths (0 to 30.0Hz) can be set.  
Jogging operation
・Operation with key (remote keypad) , key (multifunction keypad), or digital contact input (Exclusive accel/decel time setting, exclusive frequency setting)  
Auto-restart after momentary power failure ・Trip at power failure: The inverter trips immediately after power failure.
・Trip at power recovery: Coast-to-stop at power failure and trip at power recovery
・Deceleration stop: Deceleration stop at power failure, and trip after stoppage
・Continuous operation: Operation is continued using the load inertia energy.
・Start at the frequency selected before momentary stop: Coast-to-stop at power failure and start after power recovery at the frequency selected before momentary stop. *1 to *3
・Start at starting frequency: Coast-to-stop at power failure and start at the starting frequency after power recovery. *1 to *3

 
Current limit by hardware ・Limiting the current by hardware to prevent overcurrent trip due to sharp load change or momentary power failure which cannot be controlled by software current limit (This function can be cancelled.)  
Operation by commercial power supply ・With commercial power selection command, the inverter outputs 50/60Hz (SW50, SW60). *1 to *3 ・The inverter has the commercial power supply selection sequence.  
Slip compensation ・ Compensates for decrease in speed according to the load. *1 to *3  
Droop control ・ Decreases the speed according to the load torque.  
Torque limit ・Switchable between 1st or 2nd torque limit values・Torque limit, torque current limit, and power limit are set for each quadrant. *6, *7 ・Analog torque limit input *8
Current control (software current limit) ・Automatically reduces the frequency so that the output current becomes lower than the preset operation level. *1 to *5  
PID Control ・ PID adjuster for process control and that for dancer control ・Switchable between forward and reverse operations
・ Low liquid level stop function (pressurized operation possible before low liquid level stop)・ PID command: Keypad, analog input (from terminals 12, C1, V2), RS-485 communication
・ PID feedback value (from terminals 12, C1,V2) ・ Alarm output (absolute value alarm, deviation alarm)
・ PID output limiter ・ Integration reset/hold ・ Anti-reset wind-up function
 
Pick-up ・Estimates the speed of the motor running under no load and starts the motor without stopping it.
(Motor electric constant needs tuning: Offline tuning) ;*1 to * 3 and *6
 
Automatic deceleration ・If the DC link bus voltage or calculated torque exceeds the automatic deceleration level during deceleration, the inverter automatically prolongs the deceleration time to avoid overvoltage trip.
(It is possible to select forcible deceleration actuated when the deceleration time becomes three times longer.)
・If the calculated torque exceeds automatic deceleration level during constant speed operation, the inverter avoids overvoltage trip by increasing the frequency.
 
Deceleration characteristic (improved braking capacity)
・ The motor loss is increased during deceleration to reduce the regenerative energy in the inverter to avoid overvoltage trip. *1, *4  
Automatic energy-saving operation ・ The output voltage is controlled to minimize the total sum of the motor loss and inverter loss at a constant speed.
(With digital input signal, automatic energy saving mode can be turned ON or OFF by an external device.)
*8
Overload prevention control ・If the ambient temperature or GBT joint temperature increases due to overload, the inverter lowers the output frequency to avoid overload.
 
Off-line tuning ・Rotary type and non-rotary type are available for tuning the motor constant.
 
On-line tuning ・Used as a motor constant for compensating the temperature change
*8
Cooling fan ON/OFF control ・Detects the internal temperature of the inverter and stops the cooling fan when the temperature is low.
・The fan control signal can be output to an external device.
 
Settings for 2nd to 4th motors ・Switchable among the four motors
・Code data for four kinds of specific functions can be switched (even during operation).
It is possible to set the base frequency, rated current, torque boost, and electronic thermal slip compensation as the data for 1st to 4th motors.
*8
Universal DI ・The status of external digital signal connected with the universal digital input terminal is transferred to the host controller.  
Universal DO ・Digital command signal from the host controller is output to the universal digital output terminal.

 
Universal AO ・The analog command signal from the host controller is output to the analog output terminal.
 
Overload stop function ・When the torque or the current exceeds the set value, the inverter slows down and stop or coast-to-stop the motor. When the motor is stopped by hitting, the inverter controls the current to secure the holding torque. *1 to *5 *8
Speed control ・Notch filter for vibration control, vibration suppressing observer. *7
・Estimates the inertia moment value applied to the motor shaft from the load, and automatically controls the ASR system constant. *6 and *7
*8
Preliminary excitation ・Excitation is carried out to create the motor flux before starting the motor. *6 and*7
 
Zero speed control ・The motor speed is held to zero by forcibly zeroing the speed command. *7
 
Servo lock Stops the inverter and holds the motor in stop position. *7 *8
Torque control *6, *7 ・Analog torque command input
・Speed limit function is provided to prevent the motor from becoming out of control.
*8
Rotating direction control ・Preventing reverse rotation ・Preventing forward rotation  
Preventing condensation in motor
・When the inverter is stopped, current is automatically supplied to the motor to keep the motor warm and avoid condensation.
 
Customized logic interface
・Available in 10 steps with the functions of 2-input, 1-output, logical operation, and timer function *8
Display Run / Stop ・Speed monitor
(set frequency, output frequency, motor speed, load shaft speed, line speed, and speed indication with percent)
Output current [A], output voltage [V], calculated torque, input power [kW], PID reference value, PID feedback value, PID output
 
Inverter life warning ・Life judgment of the main circuit capacitor, electrolytic capacitor on printed circuit board, and cooling fan
・Life warning information can be output to an external device.
・Ambient temperature: 40ûC, Load rate: inverter rated current 100% (LD type: 80%)
 
Cumulative running hours ・Displays the inverter cumulative running hours, integrated power, cumulative motor running hours, and the number of operation start times (of each motor).
・Outputs the warning when the maintenance time or the number of start times has exceeded the preset.
 
Trip mode
・Displays the cause of trip.
 
Light-alarm ・Shows the light-alarm display [L-AL].  
Running or trip mode ・Trip history: Saves and displays the cause of the last four trips (with a code).
・Also saves and displays the detailed data recorded on occurrence of the last four trips.
 
Control Overcurrent protection ・ The inverter is stopped for protection against overcurrent.
OC1,OC2,OC3
Short circuit protection ・ The inverter is stopped for protection against overcurrent caused by a short circuit in the output circuit.
Grounding fault protection
・ The inverter is stopped for protection against overcurrent caused by a grounding fault in the output circuit. (200V 22kW, 400V 22kW or below)
・ Detecting zero-phase current of output current, the inverter is stopped for protection against overcurrent caused by a grounding fault in the output circuit. (200V 30kW, 400V 30kW or above)
EF
Overvoltage protection ・ An excessive voltage (200V series: 400V DC, 400V series: 800V DC) in the DC link circuit is detected and the inverter is stopped.
If an excessive voltage is applied by mistake, the protection can not be guaranteed.
OU1,OU2,OU3
Under voltage protection ・ The voltage drop (200V series: 200V DC, 400V series: 400V DC) in the DC link circuit is detected to stop the inverter.
However, the alarm will not be issued when the re-starting after instantaneous stop is selected.
LU
Input phase loss
protection
・The input phase loss is detected to shut off the inverter output. This function protects the inverter.
・When the load to be connected is small or DC REACTOR is connected a phase loss is not detected.
Lin
Output phase loss protection ・Detects breaks in inverter output wining during running, to shut off the inverter output. OPL
Overheating protection ・Stop the inverter output detecting excess cooling fan temperature in case of a cooling fan fault or overload. OH1
・Stop the inverter output detecting a fault of inner agitating fan. (200V 45kW, 400V 75kW or above)
・Stop the inverter output detecting inner temperature of the inverter unit for a cooling fan fault or overload. OH3
・Protect the braking resistor from over heat by setting the braking resistor electronic thermal function. dbH
Overload protection ・Stop the inverter output detecting a cooling unit temperature of the inverter cooling fan and a switching element temperature calculated with the output current. OLU
External alarm input ・ With the digital input signal (THR) opened, the inverter is stopped with an alarm. OH2
Fuse breaking ・Stop the inverter output detecting the fuse breaking of the main circuit in the inverter. (200V 75kW, 400V 90kW or above) FUS
Charge circuit abnormality ・Stop the inverter output detecting the charge circuit abnormality in the inverter. (200V 37kW, 400V 75kW or above) PdF
Brake transistor abnormality ・Stop the inverter detecting the brake transistor abnormality. (DB transistor built-in type only) dbAL
Over-speed protection *4 to *7 ・Stop the inverter when the detected speed exceeds 120% of max. output frequency. OS
PG breakwire ;*4 *5 *7 ・Stop the inverter detecting the PG breaking. Pg
Motor protection Electronic thermal ・The inverter is stopped with an electronic thermal function set to protect the motor. Protects the general-purpose motor inverter over all frequency range.(The running level and thermal time constant (0.5 to 75.0 min) can be set.) OL1~OL4
PTC thermistor ・A PTC thermistor input stops the inverter to protect the motor. Connect a PTC thermistor between terminal V2 and 11 and set the switch on control print board and the function code. OH4
NTC thermistor ・The NTC thermistor detects a motor temperature. Connect a NTC thermistor between terminal V2 and 11 and set the switch on control print board and the function code.
NTC thermistor breaking ・Stop the inverter output detecting the built-in motor NTC breaking. nrb
Overload early warning ・ Warning signal is output at the predetermined level before stopping the inverter with electronic thermal function. -
Memory error ・ Data is checked upon power-on and data writing to detect any fault in the memory and to stop the inverter if any. Er1
Keypad communication error ・ The keypad is used to detect a communication fault between the keypad and inverter main body during operation and to stop the inverter. Er2
CPU error ・ Stop the invert detecting a CPU error or LSI error caused by noise. Er3
Option communication error ・ When each option is used, a fault of communication with the inverter main body is detected to stop the inverter. Er4
Option error ・ When each option is used, the option detects a fault to stop the inverter. Er5
Operation error key priority Pressing the key on the keypad or entering the digital input signal will forcibly decelerate and stop the motor even if the operation command through signal input or communication is selected. Er6 will be displayed after the stop.
Er6
・Start check: If the running command is being ordered when switching the running command method from power-on, alarm reset,
or the linked operation, the operation starts suddenly. This function bans running and displays Er6.
Tuning error ・ Stop the inverter output when tuning failure, interruption, or any fault as a result of tuning is detected during tuning for motor constant. Er7
RS-485 communication error (port1) ・ When the connection port of the keypad connected via RS-485 communication port to detect a communication error, the inverter is stopped and displays an error.
Er8
Speed deviation excess *4 to *7 ・Stop the inverter output when the speed deviation excesses the specified value (difference between speed command and feedback).
ErE
Data save error upon undervoltage ・When the undervoltage protection function works, an alarm is displayed if the data is not properly saved. ErF
RS-485 communication error (port2) ・Stop the inverter output detecting the communication error between the inverter main unit and a mate when the RS-485 connection port of the touch panel is used to configure the network.
ErP
Hardware error ・Stop the inverter output detecting the LSI abnormality of the print board for power supply which is mainly caused by noise.
ErH
Simulation error ・Simulated alarm is output by the keypad operation. Err
PID feedback breaking detection

・Stop the inverter output detecting a breaking when the input current is allocated to the PID control feedback. (Select valid/invalid.)

CoF
Alarm relay output
(for any fault)
・The relay signal is output when the inverter stops upon an alarm.
・PRG/RESET key is used to reset the alarm stop state.
 
Light-alarm (warning) ・The "light-alarm" display is indicated when alarm or warning matters set as minor troubles occurred. The operation is continued.
Registration objects: Heat sink overheat (OH1), external alarm(OH2), overheat inside the inverter (OH3), braking resistor overheat (dbH), motor overload (OL1-OL4), optional communication error (Er4), Optional error (Er5), RS-485 communication error (port1) (Er8), Speed variance (excessive speed deviation) (ErE), RS-485 communication error (port2)(ErP), DC fan lock detection, motor overload prediction, cooling fan overheat prediction, life prediction (main circuit capacitor capacity, electrolytic capacitor on the print board or cooling fan), command loss detection, PID alarm output, low torque detection, thermistor detection (PTC), machine life (motor running accumulated time error), machine life (number of starting times error)
L-AL
Stall prevention ・Operates when the inverter output goes beyond the instantaneous overcurrent limiting level, and avoids tripping, during acceleration and constant speed operation.
 
Retry function ・When the motor is tripped and stopped, this function automatically resets the tripping state and restarts operation.
 
Surge protection ・The inverter is protected against surge voltage intruding between the main circuit power line and ground.
 
Command loss detection ・ A loss (breaking, etc.) of the frequency command is detected to output an alarm and the operation is continued at the preset frequency (set at a ratio to the frequency before detection).
 
Momentary power failure protection ・ A protective function (inverter stoppage) is activated upon a momentary power failure for 15msec or longer.
・ If restart upon momentary power failure is selected, the inverter restarts upon recovery of the voltage within the set time.
 

 

Environment

Installation location ・ Shall be free from corrosive gases, flammable gases, oil mist, dusts, direct sunlight.(Pollution degree 2 (IEC60664-1)). Indoor use only.
 
Ambient temperature ・ -10 to +50°C(-10 to +40°C when installed side-by-side without clearance (22kW or below))
 
Ambient humidity ・ 5 to 95% RH (without condensation)
 
Altitude ・Lower than 1,000m  
Vibration 200V 55kW, 400V 75kW or below
3mm : 2 to less than 9Hz, 9.8m/s2 : 9 to less than 20Hz
2m/s2 : 20 to less than 55Hz, 1m/s2 :55 to less than 200Hz
 
200V 75kW, 400V 90kW or above
3mm : 2 to less than 9Hz, 2m/s2 : 9 to less than 55Hz,
1m/s2 : 55 to less than 200Hz
 
Storage temperature
・ -25 to +65°C  
Storage humidity
・ 5 to 95% RH (without condensation)  
*1 Effective function in V/f control
*2 Effective function in dynamic torque vector control
*3 Effective function when the slip compensation is made active under V/f control
*4 Effective function under the V/f control with speed sensor (PG option is necessary.)
*5 Effective function in dynamic torque vector control with speed sensor. (PG option is necessary.)
*6 Effective function in vector control without speed sensor
*7 Effective function in vector control with speed sensor (PG option is necessary.)
*8 Function not incorporated in the inverters of initial version

Page Top