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FAQ within [ FREQROL-E500 ]
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General-purpose magnetic flux vector control is effective at low speed under a heavy load.To shorten the acceleration time, use Pr.44 to set the second accel... More Details >>
- No:22059
- Release Date:2018/08/22 16:30
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Take the following countermeasure:1. If the thermal trips in low-speed operation, trips can be avoided, depending on the external thermal relay operation cha... More Details >>
- No:21954
- Release Date:2018/08/22 16:30
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Instantaneous power failure of facilities
1. If the start signal is present when the power and communication restore, the inverter starts operation. 2. Similarly to the above, if the start signal is ... More Details >>
- No:22093
- Release Date:2018/08/22 16:30
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The FM output is 0 to 8 VDC pulse. More Details >>
- No:22039
- Release Date:2018/08/22 16:30
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I want to shorten deceleration time of small capacity motor
You can use an inverter with a larger capacity than the motor. You cannot connect a brake resistor to the FR-E520-0.1K and 0.2K. With the FR-E520-0.1K or 0.2... More Details >>
- No:21463
- Release Date:2018/08/22 16:27
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Indication of potentiometer on operation panel
The potentiometer on the operation panel is initially calibrated so that the maximum indication is slightly over 60 Hz with the potentiometer turned to the m... More Details >>
- No:21427
- Release Date:2018/08/22 16:27
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The estimated lives of the parts of the FREQROL-E500 are as follows: Cooling fan at surrounding air temperature of 35 deg C???30,000 hrsPower supply smoothin... More Details >>
- No:22071
- Release Date:2018/08/22 16:30
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1. Changing frequency to 0 Hz(1) Set Pr.8 (Deceleration time) to 0 second.If the load is large, the stall prevention function may work to lengthen decelerati... More Details >>
- No:22019
- Release Date:2018/08/22 16:30
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"Err" is displayed when STF signal turns ON
Possible causes are:1. The reset signal (RES) is ON. 2. The built-in CPU is not working properly due to contact faults of the inverter parts. Check the exte... More Details >>
- No:21484
- Release Date:2018/08/22 16:27
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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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