The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefo

Remove the parameter unit FR-PU03 and install there. (The installation dimensions of the FR-CU03 are the same as the FR-

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

You can vary the carrier frequency within the range of 0.7 to 14.5 kHz, and it is initially set to 1 kHz that generates

Yes, but functions are partially limited. (The FR-PU02 cannot demonstrate its full ability. The FR-PU01 cannot be used.)

The fan of the FR-A024 cannot be replaced by the customer. Mitsubishi Electric System & Service will replace it, so

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge vol

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

1. The inverter also monitors the output current during DC injection brake operation in addition to normal operation. Th

When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This volt

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FAQ within [ FREQROL-A024 ]

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Countermeasure against the instantaneous power failure with the inverter

The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>
- No：21368
- Release Date：2018/08/22 16:27
Installation of new serial communication unit FR-CU03

Remove the parameter unit FR-PU03 and install there. (The installation dimensions of the FR-CU03 are the same as the FR-PU.) You can read and write parameter... More Details >>
- No：21617
- Release Date：2018/08/22 16:28
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
Range of carrier frequency

You can vary the carrier frequency within the range of 0.7 to 14.5 kHz, and it is initially set to 1 kHz that generates low noise and leakage current. You ca... More Details >>
- No：21607
- Release Date：2018/08/22 16:28
Can I use the parameter unit FR-PU02?

Yes, but functions are partially limited. (The FR-PU02 cannot demonstrate its full ability. The FR-PU01 cannot be used.) To use the parameter unit FR-PU02, u... More Details >>
- No：21613
- Release Date：2018/08/22 16:28
Can I replace the cooling fan alone?

The fan of the FR-A024 cannot be replaced by the customer. Mitsubishi Electric System & Service will replace it, so contact us to order it. More Details >>
- No：22001
- Release Date：2018/08/22 16:30
Inverter drive of 400 V class motor

When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>
- No：21926
- Release Date：2018/08/22 16:30
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
Details of zero current detection

1. The inverter also monitors the output current during DC injection brake operation in addition to normal operation. Therefore, zero current detection also ... More Details >>
- No：21481
- Release Date：2018/08/22 16:27
Surge voltage of 400 V motor

When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>
- No：21404
- Release Date：2018/08/22 16:27

1-10 of Total 40

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