If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is

The inverter (FR-A520-5.5K) itself generates approximately 310 W of heat. This is the amount generated under the inverte

If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is excee

We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the

When Advanced magnetic flux vector control (Pr.80, 81) is used, the machine speed constant is controlled. The inverter c

No. Check the parameter setting of the A500(L), and then adjust the parameter setting of the A800 to those of the A500(L

The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intende

1. You cannot use the inverter in an environment where it is exposed to oil mist. You need to enclose the inverter in a

"8" display in offline auto tuning means forced stop by the operator. This means that you stopped operation before tunin

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FREQROL-A500

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FAQ within [ FREQROL-A500 ]

51-60 of Total 123

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Encoder feedback control wire

If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>
- No：21524
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Amount of heat

The inverter (FR-A520-5.5K) itself generates approximately 310 W of heat. This is the amount generated under the inverter rated current 100% load. Since the ... More Details >>
- No：21523
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Auxiliary input power supply

If you connect two frequency setting potentiometers to the terminals 5 and 10, the permissible current of 10 mA is exceeded, and you need to install 2 KΩ res... More Details >>
- No：21494
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
Which is the recommended digital counter?

We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS INDUSTRIES CO., LTD.Model: TC-41 More Details >>
- No：21469
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Inverter circuit breaker selection

Since the inverter leakage current is in proportion to the switching voltage of the transistor of the main circuit, the leakage current for the 400 V system ... More Details >>
- No：21429
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , Others , FREQROL-A500
Frequency display

When Advanced magnetic flux vector control (Pr.80, 81) is used, the machine speed constant is controlled. The inverter calculates the motor slip and compensa... More Details >>
- No：21374
- Release Date：2018/08/22 16:27
- Category： Inverters-FREQROL , FREQROL-A500
FR-A800

No. Check the parameter setting of the A500(L), and then adjust the parameter setting of the A800 to those of the A500(L). For the details, refer to the repl... More Details >>
- No：21108
- Release Date：2018/08/22 16:25
- Category： FREQROL-A800 , FREQROL-A500
Motor retention at 0 Hz

The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intended to improve the braking capability b... More Details >>
- No：22002
- Release Date：2018/08/22 16:30
- Category： Inverters-FREQROL , FREQROL-A500
Countermeasure against oil mist

1. You cannot use the inverter in an environment where it is exposed to oil mist. 　You need to enclose the inverter in an enclosure and then install the encl... More Details >>
- No：21538
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500
Overcurrent at low speed

"8" display in offline auto tuning means forced stop by the operator. This means that you stopped operation before tuning completes. 　With this forced stop, ... More Details >>
- No：21527
- Release Date：2018/08/22 16:28
- Category： Inverters-FREQROL , FREQROL-A500

51-60 of Total 123

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