The test institutes assigned by the Minister of Health, Labour and Welfare (National Institute of Occupational Safety an

In general, relationship between T (torque), K (constant), V (voltage), I (current), and F (frequency) is expressed as "

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% to

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 major changes from FR-AU01 to FR-AU01A include 1. Case material and 2. Lead wire terminal process method. The FR-AU0

We have no sample program for RS485 communication. Since the communication method of the FR-SW0-SETUP uses a different p

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Inverters-FREQROL

FAQ within [ Inverters-FREQROL ]

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Acquisition of pressure-resistant explosion-proof certification

The test institutes assigned by the Minister of Health, Labour and Welfare (National Institute of Occupational Safety and Health and Technology Institution o... More Details >>
- No：21510
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , Others , FREQROL-B
Inverter current characteristics

In general, relationship between T (torque), K (constant), V (voltage), I (current), and F (frequency) is expressed as "T = K × (V/F) × I". Since (V/F) is co... More Details >>
- No：21505
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-V200
Motor heat generation at low-speed operation

When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>
- No：21496
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
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
Difference between FR-AU01 and AU01A

The major changes from FR-AU01 to FR-AU01A include 1. Case material and 2. Lead wire terminal process method. The FR-AU01A has a backward compatibility with ... More Details >>
- No：21452
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Options
Communication operation with FR-E500

We have no sample program for RS485 communication. Since the communication method of the FR-SW0-SETUP uses a different protocol from 485 communication and st... More Details >>
- No：21451
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-E500

331-340 of Total 1306

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