Energy saving operation of the inverter is represented by comparison with commercial power supply operation. For exampl

Since the input current has a distorted waveform and the waveform ratio is low, the total inverter input power factor is

Even after setting Pr.340 to "10", the change is reflected after resetting the power supply.Perform the power reset.Sinc

First of all, capacity reduction of the main circuit electrolytic capacitor is probable. Usually, the electrolytic capac

The possible causes of the error UVT are as follows.- Low power supply voltage - Insufficient power supply capacity - Da

The coasting time is the time from when the brake power is turned off until the brake starts braking. The coil has the c

"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you con

Rapid blinking of the RUN LED suggests that the frequency is not set correctly.When the operation mode setting of Pr.79

The alarm E7 occurs when the forced stop signal of the servo system controller is enabled. Ensure the safety and cancel

Setting Pr.79 (Operation mode) to "6" sets the switchover mode. Pressing the "PU/EXT" key on the operation panel during

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Geared Motors(88)

Geared Motors Parallel shaft type(24)
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FAQ within [ Drive Products ]

1341-1350 of Total 1354

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Energy saving effect of inverter operation

Energy saving operation of the inverter is represented by comparison with commercial power supply operation. 　For example, to control air volume of an air co... More Details >>
- No：21622
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-B , FREQROL-A024 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100 , FREQROL-U100 , FREQROL-Z100 , FREQROL-Z200 , SC-A , FREQROL-Z123 , FREQROL-Z300 , FREQROL-Z020 , FREQROL-F400 , FREQROL-Z024
Inverter input current

Since the input current has a distorted waveform and the waveform ratio is low, the total inverter input power factor is very poor depending on the power sup... More Details >>
- No：21440
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A100
Switching between PU and NET operations

Even after setting Pr.340 to "10", the change is reflected after resetting the power supply.Perform the power reset.Since changes to the communication parame... More Details >>
- No：21696
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Cause of overcurrent (OC2) at constant speed

First of all, capacity reduction of the main circuit electrolytic capacitor is probable. Usually, the electrolytic capacitor is replaced every 5 years on ave... More Details >>
- No：21407
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A100
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
About coasting time

The coasting time is the time from when the brake power is turned off until the brake starts braking. The coil has the characteristic that electric current t... More Details >>
- No：20775
- Release Date：2018/08/21 16:10
- Update：2018/09/07 12:40
- Category： Geared Motors Parallel shaft type , Geared Motors Right angle shaft type , S-PM Geared Motors Parallel shaft type , S-PM Geared Motors Right angle shaft type
Meaning of OL display

"OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you continue operation with "OL" is displaye... More Details >>
- No：21449
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-V200
RUN blinks

Rapid blinking of the RUN LED suggests that the frequency is not set correctly.When the operation mode setting of Pr.79 is changed, the entrance point of the... More Details >>
- No：21757
- Release Date：2018/08/22 16:29
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ
Alarm E7

The alarm E7 occurs when the forced stop signal of the servo system controller is enabled. Ensure the safety and cancel the forced stop signal of the control... More Details >>
- No：23647
- Release Date：2018/09/14 15:10
- Category： MELSERVO-J4 , MELSERVO-JE
Switching External operation, PU operation

Setting Pr.79 (Operation mode) to "6" sets the switchover mode. Pressing the "PU/EXT" key on the operation panel during External operation switches the mode ... More Details >>
- No：21289
- Release Date：2018/08/22 16:26
- Category： Inverters-FREQROL , FREQROL-E700 , FREQROL-D700 , FREQROL-A700 , FREQROL-F700 , FREQROL-F700P , FREQROL-F700PJ

1341-1350 of Total 1354

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