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Inverters-FREQROL
FAQ within [ Inverters-FREQROL ]
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The FREQROL-A200 has magnetic flux vector control in addition to the conventional V/F control. Magnetic flux vector control controls the motor with higher ac... More Details >>
- No:21637
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A200
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Power factor of inverter drive
Under 100% load, the power factors of the AC and DC reactors are 90% and 95%, respectively. For a line with no inverter control, use a power factor correctio... More Details >>
- No:21934
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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Can I drive multiple motors with a single inverter?
You can drive multiple motors with a single inverter.However, since the inverter cannot determine the current of each motor, the electronic thermal O/L relay... More Details >>
- No:22084
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL
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The undervoltage warning of the inverter is judged based on the voltage of the main circuit as follows. Power failure only at the main circuit: Output an und... More Details >>
- No:20853
- Release Date:2018/08/22 16:24
- Category: FREQROL-A800 , FREQROL-F800
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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
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Error "E.UVT" (undervoltage protection)
The possible causes of the error UVT are as follows.- Low power supply voltage - Insufficient power supply capacity - Damage or failure Check the power suppl... More Details >>
- No:21295
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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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
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Parameter copy method of FR-Configurator
The data can be copied to other inverters. 1. Save the parameter of the inverter to be copied with extension "pr3" by using "export". 2. Replace the connecte... More Details >>
- No:21307
- Release Date:2018/08/22 16:26
- Category: Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
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"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
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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
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