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FAQ within [ FREQROL-A800 ]
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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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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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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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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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The tension PI gain can be adjusted automatically by performing the tension PI gain tuning. More Details >>
- No:20923
- Release Date:2018/08/22 16:25
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The X114 signal is for switching the control to the dancer control or tension sensorless torque control. The signal input becomes invalid during operation be... More Details >>
- No:20845
- Release Date:2018/08/22 16:24
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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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Yes, the resistance values are the same. More Details >>
- No:21020
- Release Date:2018/08/22 16:25
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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
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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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