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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Since a large load is applied to the motor when the electromagnetic clutch turns on, overcurrent may occur if the load is heavy. To ensure that the rated cur... More Details >>
- No:21955
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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Faults history upon power failure
When an instantaneous power failure of 100 msec or longer occurs, the inverter is reset* and it is not recognized as a fault. Since it is not recognized as a... More Details >>
- No:21551
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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The internal processing speed is not published. The analog input specifications are as follows: FR-A500???1/4000FR-E500???1/1000MR-H???1/4000 More Details >>
- No:21550
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500 , FREQROL-E500
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This error is displayed when the inverter and operation panel FR-PU04 cannot communicate with each other correctly or the reset signal remains ON. Therefore,... More Details >>
- No:21546
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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You cannot disable the error display. The OC1 overcurrent alarm is displayed. The condition to display this alarm is that the main circuit power supply is OF... More Details >>
- No:21535
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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If the phase A and phase B are connected reversely, encoder feedback control is not performed. Instead, the inverter is operated in normal control (V/F contr... More Details >>
- No:21524
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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The inverter (FR-A520-5.5K) itself generates approximately 310 W of heat. This is the amount generated under the inverter rated current 100% load. Since the ... More Details >>
- No:21523
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Heat generation quantity of FR-A500
The heat generation quantity of the FR-A520-5.5K is 310 W. (Reference: The heat generation quantity of the FR-A220E-5.5K is 330 W.) For other capacities, ref... More Details >>
- No:21515
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-A500
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Motor heat generation at low-speed operation
When using the FR-A540-3.7K in Advanced magnetic flux vector control, operating the motor continuously under the 100% torque at up to 3 Hz does not cause a h... More Details >>
- No:21496
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Simple torque control using stall prevention function
Basically, torque control cannot be performed. Instead, control speed to adjust the winding torque. It is possible to use the current limit function to preve... More Details >>
- No:21493
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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