Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smalle

When the programmable controller power is turned OFF while the inverter is in the PLC link operation mode, a communicati

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it

When the inverter start signal is input, the inverter starts outputting from the starting frequency. And then, it gradua

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional c

The following is the case for the FREQROL-A500 series:1. When the R phase or S phase is lost, the inverter stops since i

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse W

The reset signal does not damage the inverter.It seems that the inverter went faulty due to other reasons.Mitsubishi Ele

1. How much is the sensitivity current? When the sum of the three-phase output current of the inverter reaches approxima

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

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Error E.LF

Measure the megger values on the inverter's output side.If there is no problem:If the motor capacity is extremely smaller than the inverter capacity (as a gu... More Details >>
- No：21933
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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
Output phase loss alarm

If the output current is close to 25% of the rated current, output phase loss may occur when one or two phases of three phases go below 25%.Therefore, when a... More Details >>
- No：22052
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Stall prevention

1. Stall prevention operation works when the inverter's output current exceeds the value set with Pr.22.In this case, it is considered that the current did n... More Details >>
- No：22067
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Stall prevention operation

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
Calculation of inverter acceleration and deceleration time

Refer to the Technical Sheet No.23 (Capacity Selection and Continuous Operation) for reference for selection. Optional capacity selection software is also pr... More Details >>
- No：22097
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Power supply phase loss

The following is the case for the FREQROL-A500 series:1. When the R phase or S phase is lost, the inverter stops since it loses the control power supply.2. W... More Details >>
- No：22010
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Soft-PWM

The inverter uses PWM control to change the output voltage and frequency to vary the motor speed. PWM stands for Pulse Width Modulation. Voltage is chopped i... More Details >>
- No：21549
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
Reset command during operation

The reset signal does not damage the inverter.It seems that the inverter went faulty due to other reasons.Mitsubishi Electric FA Center can inspect the inver... More Details >>
- No：22065
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
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

1-10 of Total 123

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