FAQ


FAQAbout Products
- FAQ > Drive Products > Inverters-FREQROL > FREQROL-A800
FAQ
Keyword Search
FAQ within [ FREQROL-A800 ]
-
The value is displayed in 0.1 rpm increments under Vector control. However, the value is rounded down to the first decimal place and displayed in 1 rpm incre... More Details >>
- No:21021
- Release Date:2018/08/22 16:25
-
If the command is 0.01 Hz or higher, the positioning control is performed. More Details >>
- No:21001
- 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
-
No alarm occurs due to the abnormal temperature. In the main circuit, alarms such as heatsink overheat will be occurred. More Details >>
- No:20977
- Release Date:2018/08/22 16:25
-
The gain of the tension PI gain automatic tuning is the one of the dancer feedback speed control. The gain adjusted by speed control P gain compensation is t... More Details >>
- No:20925
- Release Date:2018/08/22 16:25
-
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
-
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
-
Positioning is available by inputting pulse trains to the terminal JOG, same as the A700 series. More Details >>
- No:21104
- 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
-
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
121-130 of Total 142