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FAQ within [ FREQROL-A800 ]
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Life measurement of the main circuit capacitor
No. Turn OFF and ON both main circuit and control circuit. More Details >>
- No:20999
- Release Date:2018/08/22 16:25
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No, it does not affect the control. When a swinging frequency is set in Pr.1074, the setting values in Pr.1077 to Pr.1079 are not referred. When Pr.1074 is s... More Details >>
- No:20952
- Release Date:2018/08/22 16:25
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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
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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
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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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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
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The FR-A800 has metal installation holes regardless of the capacity. More Details >>
- No:20980
- Release Date:2018/08/22 16:25
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The calculation is performed by two modes. One method calculates the current winding diameter automatically by moving the dancer roll from lower limit positi... More Details >>
- No:20924
- Release Date:2018/08/22 16:25
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If Pr.361 = 0, the second terminal can be used as the line speed command when X114 is ON, and as the frequency setting value when X114 is OFF. If Pr.361 = 3,... More Details >>
- No:20891
- Release Date:2018/08/22 16:24
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Yes, they can. More Details >>
- No:20856
- Release Date:2018/08/22 16:24
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