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FAQ within [ Drive Products ]
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I want to drive other manufacturer's motor with PG
You can drive the motor with the FR-V240E-5.5K. However, the following conditions apply: - You need to perform auto tuning because the motor's circuit consta... More Details >>
- No:21539
- Release Date:2018/08/22 16:28
- Category: Inverters-FREQROL , FREQROL-V200
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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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Controlling multiple VVVFs via communication from personal computer
To control multiple inverters using arbitrary signals (4 to 20 mA) simultaneously, it is recommended to connect the signals (4 to 20 mA) in series. (This doe... More Details >>
- No:21491
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Connection with pole change motor
Since the inverter allows for changing speed, fix the number of poles when using the pole change motor. It is recommended to fix the number of poles to four ... More Details >>
- No:21486
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others
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Use the first contact (relay) for the forward (or reverse) rotation between the terminals STF and SD. Use the second contact (relay) for the high-speed comma... More Details >>
- No:21472
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Which is the recommended digital counter?
We recommend the following digital counter: (Connect it between the terminals FM and SD.) Manufacturer: KOYO ELECTRONICS INDUSTRIES CO., LTD.Model: TC-41 More Details >>
- No:21469
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , Others , 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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Since the stall prevention function works during acceleration and the inverter does not reach the commanded speed, set Pr.156 (Stall prevention operation sel... More Details >>
- No:21460
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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When you use a long wire between the inverter and motor, pay attention to the following: 1. Since the voltage supplied to the motor terminal is reduced due t... More Details >>
- No:21441
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A500
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Since the input current has a distorted waveform and the waveform ratio is low, the total inverter input power factor is very poor depending on the power sup... More Details >>
- No:21440
- Release Date:2018/08/22 16:27
- Category: Inverters-FREQROL , FREQROL-A100
761-770 of Total 1368