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FREQROL-A500
FAQ within [ FREQROL-A500 ]
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Installing magnetic contactor on input side of inverter
Basically, there is no difference between the A200 and A500. For safer use, from the A500, it is recommended to completely shut off the power supply by turni... More Details >>
- No:21466
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Inverter operation against power supply voltage drop
Depending on the load current, undervoltage protection (UVT) or instantaneous power failure protection (IPF) is triggered to shut off the inverter output, an... More Details >>
- No:21471
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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1. The inverter display is based on the frequency, and the speed and moving speed are displayed by converting the frequency into the corresponding value. The... More Details >>
- No:21480
- 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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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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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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I want to display the speed on an analog meter.
As the inverter does not display the speed in m/min, let us explain using the speed display in r/min. In this case, set Pr.52 to "6" (operation panel display... More Details >>
- No:21944
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Output phase loss protection error
- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) phase current is lost.- Possibility of... More Details >>
- No:21969
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Speed precision of Advanced magnetic flux vector control
The speed precision for each model is as follows:FR-K440 with PG: 1% or less of the maximum speed (3500 rpm)FR-A540 without PG (Advanced flux vector): 1% or ... More Details >>
- No:22013
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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Built-in regenerative resistor
For both the 200 V and 400 V classes have the built-in regenerative resistor for 0.4 K to 7.5 K.The permissible power is as follows:Capacity: Short-time perm... More Details >>
- No:22021
- Release Date:2018/08/22 16:30
- Category: Inverters-FREQROL , FREQROL-A500
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