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FAQ within [ FREQROL-E500 ]
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Direct driven start by power supply
The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is indicated in the precautions at the be... More Details >>
- No:21458
- Release Date:2018/08/22 16:27
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Ensure that the inverter is in the PU operation mode and stopped, change the following parameters: 1. Read Pr.923 (Built-in frequency setting potentiometer g... More Details >>
- No:21416
- Release Date:2018/08/22 16:27
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Operation command terminal switching
It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>
- No:22070
- Release Date:2018/08/22 16:30
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The brake resistor is not built in the inverter. Purchase the optional resistor and connect it to the inverter.Inverter only (without resistor)Continuous reg... More Details >>
- No:21989
- Release Date:2018/08/22 16:30
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Built-in potentiometer and current input switching control
For setting the frequency, you cannot switch between the operation panel potentiometer and current input from an external source.To switch between the extern... More Details >>
- No:21985
- Release Date:2018/08/22 16:30
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The output current monitor of the inverter displays the output current effective value of the three phases measured by the current sensor. It does not displa... More Details >>
- No:21373
- Release Date:2018/08/22 16:27
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Operation at external operation/stop
It is recommended to turn OFF the start signals (STF and STR) when stopping the inverter.In this case, it is not probable that the motor rotates due to a cal... More Details >>
- No:22102
- Release Date:2018/08/22 16:31
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1. Can I set the frequency by the external potentiometer when multi-speed signal is 0 (nothing is input)?-> It is possible by using the external operation... More Details >>
- No:21990
- Release Date:2018/08/22 16:30
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Using built-in potentiometer and multi-speed together
Yes. Set Pr.79 = 3. (Input the start signal from an external source.) More Details >>
- No:21950
- Release Date:2018/08/22 16:30
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Output specification between FM and SD
The output signal across FM and SD is pulse output. The output frequency and number of pulses of the output signal across FM and SD are proportional. However... More Details >>
- No:21384
- Release Date:2018/08/22 16:27
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