Fuji Electric Corp. of America

FRENIC Eco
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FAQ

1. FRENIC-Eco Basics
 
Answer
Q 1: What is the background to development?
Q 2: What is the product concept?
Q 3: What is the difference between the Eco and the P11S?
Q 4: What is the Eco’s target application or best suited application?


2. Production, Delivery Time and Price
 
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Q 5: How long is the standard delivery term?
Q 6: When is the P11S scheduled to be discontinued?


3. Functions and Performance
 
Answer
Q 7 How can we make commercial line/inverter switching operation?
Q 8 In remote operation mode through communications, is it possible to operate the Eco from the keypad or to change the function code data on the keypad?
Q 9 What happens if you enter an operation command to the Eco when the fan (or load motor) is running due to natural convection or wind?
Q10 Is auto-tuning function available?
Q11 How many control methods can we select?
Q12 Is PID control supported?
Q13 For external signal inputs, can we use 8-step multistep frequency selection, coast-to-stop command, plus trip command (external fault)?
Q14 Is the electric power monitoring done through the keypad only ?
Q15 Is the auxiliary control power input supported?
Q16 Is automatic energy-saving operation possible?
Q17 Is PID control supported?
Q18 Does the Eco support the source mode of digital input?


4. Operation, Settings and Connections
 
Answer
Q19 At least what function code should be set to run a motor with simplest variable speed operation?
Q20 In F00 = “1: Enable data protection”, is it possible to switch between keypad operation and external signal input operation, from the key entry on the keypad?
Q21 Although we want to set “enable data protection” at F00, changing the value from 0 to 1 is not successful. What should we do?
Q22 Although we want to set “data initialization” at H03, changing the value from 0 to 1 is not successful. What should we do?
Q23 Although we were able to change the setting of the sound tone (F27), the sound tone did not change at all. What should we do?
Q24 Is there any function code that cannot be copied by using the copy function?
Q25 What are the restrictions when we use the copy function?
Q26 What is the guide for wiring length between the inverter, motor and operator box?
Q27 Is the motor most unlikely to rotate even when the dew condensation prevention function is enabled?
Q28 Is energy-saving operation possible even if auto-torque boost is selected?


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5. Maintenance
 
Answer
Q29: How is the lifetime forecast function used?
Q30: What is the minimum unit of cooling fan cumulative running time?
Q31: Can the output of lifetime forecast function be received by external devices?
Q32: What does the displayed power consumption value show specifically?
Q33: What shall we do to see the alarm information on LED monitor?


6. Options and Peripheral Devices
 
Answer
Q34 Is Eco’s DC REACTOR the same as that for the P11S or Mini series?
Q35 Can we link the FRENIC-Mini with a personal computer? If so, what software is used?
Q36 Is a copy unit supported?
Q37 How does the Eco comply with Japanese Guideline for Suppressing Harmonics?
Q38:
We plan to install an AC reactor in addition to a DC REACTOR for harmonic suppression. Could the voltage drop have any influence on the output voltage?
Q39 What is the difference in the usage between the output circuit filter, power filter and EMC compliance filter?
Q40 What happens if the output circuit filter is used outside the allowable carrier frequency range?


7. Standards and Motor Combinations
 
Answer
Q41 How does or will the FRENIC-Eco comply with international standards?
Q42 Can we drive two or more motors with a single Eco inverter simultaneously?
Q43 Can we replace the existing motor, including other manufacturers’ with the FRENIC-Eco?
Q44 Can the Eco generate a frequency output of 400Hz or over, equivalent to those of the G11S or Mini series?
Q45:
Does the Eco have the explosion-proof approval?



 
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