FAQ
FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL
FAQ
Keyword Search
Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
-
Regenerative overvoltage protection (E.OVT).This error occurs when the regenerative power returns from the motor to the inverter (for example, during deceler... More Details >>
- No:21991
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-F400
-
Yes. "OL" is displayed under speed control whenever the torque limit is reached without regard to the rated torque. More Details >>
- No:21448
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-V200
-
Resetting inverter after restoring from power failure
When the programmable controller power is turned OFF while the inverter is in the PLC link operation mode, a communication error occurs and the inverter trip... More Details >>
- No:21417
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Plug-in Options , FREQROL-A500
-
"OV3" occurs during an inverter stop.
An error may have occurred due to the rise of the main circuit voltage of the inverter caused by a power surge. Check for the power supply voltage. If the ca... More Details >>
- No:21383
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A024
-
Difference between SU (up to frequency) and FU (frequency detection)
- SU signal (up to frequency signal)This signal is output when the inverter output frequency reaches the set frequency (the frequency the inverter is require... More Details >>
- No:21436
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-E500
-
NET mode, external operation switching
You can switch between the NET mode and external operation.Assign the X66 signal (Operation switching) to an unused terminal for switching.Also, set Pr.79 (O... More Details >>
- No:21906
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
-
Err display on operation panel
The following causes are probable for this Err display:- Operation error (for example, you tried to input a value other than the available range of parameter... More Details >>
- No:22063
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-E500
-
Calculation of acceleration/deceleration time
As the inverter, you can basically use the equation below to calculate the acceleration/deceleration time.Note that you should consider a factor of 120% for ... More Details >>
- No:21965
- Release Date:2018/08/22 16:30
- Category: Magnet motor drive
-
Output side earth (ground) fault overcurrent protection
1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approximately 70% of the inverter rated curren... More Details >>
- No:21394
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-E500
-
When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradually raises the frequency for accelera... More Details >>
- No:21413
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
21-30 of Total 1306