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FAQ within [ FREQROL-A800 ]
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Monitoring function of the FR-A800-R2R
Line speed command and Line speed pulse monitor can be monitored while the operation is stopping. Actual line speed monitor becomes "0" while the operation i... More Details >>
- No:20914
- 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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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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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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Since the lower limit has been internally set, the setting value of 3 % or less is recognized as 3%. More Details >>
- No:20976
- Release Date:2018/08/22 16:25
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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
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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
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Yes. It can be carried out like under the dancer feedback speed control. More Details >>
- No:20885
- Release Date:2018/08/22 16:24
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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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The deceleration stop is also performed according to the setting in Pr.815 under V/F control. More Details >>
- No:20957
- Release Date:2018/08/22 16:25
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