I use the dedicated motor SF-VR with the same capacity as the inverter. 1. Load fluctuationSpeed fluctuation ratio with

Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommende

Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults o

1. When slight imbalance (approximately 5%) is present with the inverter power supply voltage, the inverter input curren

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second con

The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is i

A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can b

Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly o

To conform to the EMC Directive when exporting to an EU country, install the filter that conforms to the EMC Directive o

You can connect multiple inverters to a single reactor. In this case, the load seems to be light from the reactor unless

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FAQ within [ Inverters-FREQROL ]

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Speed fluctuation

I use the dedicated motor SF-VR with the same capacity as the inverter. 1. Load fluctuationSpeed fluctuation ratio with the load fluctuation 0 to 100% is:Wit... More Details >>
- No：21490
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-V200
Connection with pole change motor

Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommended to fix the number of poles to four ... More Details >>
- No：21486
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others
"Err" is displayed when STF signal turns ON

Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>
- No：21484
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Current value on input side and output side

1. When slight imbalance (approximately 5%) is present with the inverter power supply voltage, the inverter input current can get imbalanced significantly. I... More Details >>
- No：21476
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A200
Multi-speed operation

Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>
- No：21472
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Direct driven start by power supply

The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is indicated in the precautions at the be... More Details >>
- No：21458
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
Driving 200 V motor by 400 V inverter

A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can be rotated by a 400 V inverter, howeve... More Details >>
- No：21446
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500 , FREQROL-A024 , FREQROL-V200 , FREQROL-A200 , FREQROL-A100
Overcurrent

Frequent occurrences of OL means that the inverter is overloaded. Since the inverter can go faulty if it is constantly overloaded, you need to take a counter... More Details >>
- No：21430
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500
EMC countermeasure

To conform to the EMC Directive when exporting to an EU country, install the filter that conforms to the EMC Directive on the inverter, and take measures acc... More Details >>
- No：21414
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Installing reactor for suppressing harmonics

You can connect multiple inverters to a single reactor. In this case, the load seems to be light from the reactor unless all of the inverters are rotating an... More Details >>
- No：21410
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Options

281-290 of Total 1306

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