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FAQ within [ FREQROL-A800 ]
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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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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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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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It is possible when the dancer control and tension sensor feedback speed control is used and the PID calculation is turned OFF. Because the PID compensation ... More Details >>
- No:20889
- Release Date:2018/08/22 16:24
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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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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 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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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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