FAQ


FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL > FREQROL-A800
FAQ
Keyword Search
FAQ within [ FREQROL-A800 ]
-
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
-
When the online auto tuning (magnetic field observer) is enabled, the monitoring accuracy is ± 10%. More Details >>
- No:20981
- Release Date:2018/08/22 16:25
-
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
-
Basically, it depends on machine specifications. Advantage of dancer feedback speed control: Easy control. Small tension can be controlled. Disadvantage: Mac... More Details >>
- No:20973
- Release Date:2018/08/22 16:25
-
This error occurs when the parameter file is broken. More Details >>
- No:20937
- Release Date:2018/08/22 16:25
-
A tension sensor such as a dancer roll is required for speed control. Because an actual line speed input is required for the winding diameter calculation by ... More Details >>
- No:20926
- Release Date:2018/08/22 16:25
-
Residual voltage at the output shutoff
The rotation speed has almost no effect. The residual voltage increases when the torque boost is increased, but no adjustment is required. More Details >>
- No:20906
- Release Date:2018/08/22 16:25
-
The encoder feedback is always required for the thickness calculation function. The actual line speed calculation function requires the input of the actual l... More Details >>
- No:20890
- Release Date:2018/08/22 16:24
-
It indicate that the actual number of connectable units differs depending on the master side specification although the maximum number of connectable units o... More Details >>
- No:20839
- Release Date:2018/08/22 16:24
-
Position control is available under vector control with an encoder. Under PM sensorless vector control in combination with a MM-CF motor, simple positioning ... More Details >>
- No:21105
- Release Date:2018/08/22 16:25
111-120 of Total 144