Yes. The carrier frequency can be decreased by the setting of Pr.72 (PWM frequency selection).

Check if the input side voltage is equally applied to all three phases. The S phase voltage may be low because the input

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON spee

The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value d

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart

"PS" appears when the STOP key on the operation panel is pressed during external operation. It is considered that someon

Change Pr.161 (Frequency setting/key lock operation selection) to "1" (potentiometer mode).

To enable the frequency setting with the setting dial and multi-speed setting, set Pr.79 to "3". Note that multi-speed s

Check if the CC-Link wires are short-circuited and/or station numbers are duplicated.

Use Pr.125 (Terminal 2 frequency setting gain frequency).

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FAQ within [ Drive Products ]

1201-1210 of Total 1353

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Countermeasure against noises

Yes. The carrier frequency can be decreased by the setting of Pr.72 (PWM frequency selection). More Details >>
- No：21338
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Input phase loss

Check if the input side voltage is equally applied to all three phases. The S phase voltage may be low because the input current flows when the voltage of th... More Details >>
- No：21340
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Surge voltage of 400 V inverter

No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>
- No：21401
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-F500 , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-S500 , FREQROL-A100
Countermeasure against error

The inverter alarm "OV3" occurs when the main circuit DC voltage inside the inverter goes higher than the preset value due to the regenerative power returned... More Details >>
- No：21438
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024
What happens if reset occurs during operation?

This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>
- No：21477
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A024 , FREQROL-E500 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100 , FREQROL-U100 , Common
Indication of FR-E520

"PS" appears when the STOP key on the operation panel is pressed during external operation. It is considered that someone pressed the key. Dismiss "PS" in on... More Details >>
- No：21478
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Frequency setting

Change Pr.161 (Frequency setting/key lock operation selection) to "1" (potentiometer mode).　　 More Details >>
- No：21792
- Release Date：2018/08/22 16:29
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Operation mode setting

To enable the frequency setting with the setting dial and multi-speed setting, set Pr.79 to "3". Note that multi-speed setting is prioritized over setting us... More Details >>
- No：21852
- Release Date：2018/08/22 16:29
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
CC-Link

Check if the CC-Link wires are short-circuited and/or station numbers are duplicated.　　 More Details >>
- No：21891
- Release Date：2018/08/22 16:29
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P
Frequency setting

Use Pr.125 (Terminal 2 frequency setting gain frequency).　 More Details >>
- No：21913
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ

1201-1210 of Total 1353

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