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FAQ within [ FREQROL-A800 ]
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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
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Winding diameter calculation of the FR-A800-R2R
Z phase is not required for the thickness method. More Details >>
- No:20855
- Release Date:2018/08/22 16:24
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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
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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
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The output turns OFF (0 mA) during the inverter reset. More Details >>
- No:20921
- Release Date:2018/08/22 16:25
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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
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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
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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
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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
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It is available if the CC-Link option of the FR-A8NC is installed. More Details >>
- No:20894
- Release Date:2018/08/22 16:24
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