When the winding ratio is large, the control according to the winding diameter is required. The upper controller has mea

V/F control/Advanced magnetic flux vector control/Sensorless vector control: 0.3 rpm increments, Vector control with enc

It is possible when the dancer control and tension sensor feedback speed control is used and the PID calculation is turn

Yes. It can be carried out like under the dancer feedback speed control.

Both settings of Pr.83 and Pr.84 are enabled immediately. However, the output voltage is not changed because the value o

Select the models so that "MM - BF rated current value × 1.05 < FR-A820 rated output current value".

UVT will occur when reactor is not connected. Always connect a reactor that matches the motor capacity.

Yes, the resistance values are the same.

The day of the week is automatically determined from the data of year, month, and day.

When the value is written to Pr.646 (Stored winding diameter), the stored value is used. When the value is not written,

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FAQ within [ FREQROL-A800 ]

131-140 of Total 142

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FR-A800-R2R

When the winding ratio is large, the control according to the winding diameter is required. The upper controller has measured the winding diameter and create... More Details >>
- No：20974
- Release Date：2018/08/22 16:25
Setting resolution

V/F control/Advanced magnetic flux vector control/Sensorless vector control: 0.3 rpm increments, Vector control with encoder: 0.1 rpm increments More Details >>
- No：20960
- Release Date：2018/08/22 16:25
FR-A800-R2R

It is possible when the dancer control and tension sensor feedback speed control is used and the PID calculation is turned OFF. Because the PID compensation ... More Details >>
- No：20889
- Release Date：2018/08/22 16:24
FR-A800-R2R

Yes. It can be carried out like under the dancer feedback speed control. More Details >>
- No：20885
- Release Date：2018/08/22 16:24
Vector control

Both settings of Pr.83 and Pr.84 are enabled immediately. However, the output voltage is not changed because the value of Pr.83 has little influence on Vecto... More Details >>
- No：21022
- Release Date：2018/08/22 16:25
Combination of the FR-A800 and MM-BF

Select the models so that "MM - BF rated current value × 1.05 < FR-A820 rated output current value". More Details >>
- No：21000
- Release Date：2018/08/22 16:25
FR-A800

UVT will occur when reactor is not connected. Always connect a reactor that matches the motor capacity. More Details >>
- No：20978
- Release Date：2018/08/22 16:25
Built-in braking resistor

Yes, the resistance values are the same. More Details >>
- No：21020
- Release Date：2018/08/22 16:25
FR-A800

The day of the week is automatically determined from the data of year, month, and day. More Details >>
- No：20997
- Release Date：2018/08/22 16:25
FR-A800-R2R

When the value is written to Pr.646 (Stored winding diameter), the stored value is used. When the value is not written, the minimum or maximum winding diamet... More Details >>
- No：20887
- Release Date：2018/08/22 16:24

131-140 of Total 142

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