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FAQ within [ FREQROL-V200 ]
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Pre-excitation, zero-speed control, and servo lock
Pre-excitation is the process to control current while a motor is stopped so that motor torque can be generated immediately. There are two methods for this p... More Details >>
- No:21562
- Release Date:2018/08/22 16:28
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Manufacturing of 6P dedicated motor
We cannot manufacture a 6P by SF-VR dedicated motor. Use a motor with 6P encoder. More Details >>
- No:21646
- Release Date:2018/08/22 16:28
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Encoder cable length restriction
If the cable length is longer than 100 m, speed may not be read correctly due to voltage drop and waveform deformation of the encoder signal. Therefore, use ... More Details >>
- No:21932
- Release Date:2018/08/22 16:30
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Motor characteristics at low input voltage
Since the dedicated motor is designed with the rated voltage of approximately 320 V, it can produce sufficient torque for the input voltage of 380 V. Therefo... More Details >>
- No:21434
- Release Date:2018/08/22 16:27
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Inverter current characteristics
In general, relationship between T (torque), K (constant), V (voltage), I (current), and F (frequency) is expressed as "T = K × (V/F) × I". Since (V/F) is co... More Details >>
- No:21505
- Release Date:2018/08/22 16:28
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You cannot reuse the parameter unit (FR-PU01) for the FREQROL-Z series, the parameter unit (FR-PU02) for the FREQROL-A200 and A100 series, and the parameter ... More Details >>
- No:21654
- Release Date:2018/08/22 16:28
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Operation under torque limit in the speed control mode
Under a 50% torque limit, if the commanded speed (50 Hz in your example) cannot be achieved without torque exceeding 50%, since the torque does not exceed th... More Details >>
- No:21483
- Release Date:2018/08/22 16:27
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Connect the external potentiometer to the terminals 10, 2, and 5 of the first inverter (be sure to connect the variable terminal to the terminal 2). Connect ... More Details >>
- No:21462
- Release Date:2018/08/22 16:27
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1. Speed fluctuation ratio when using the FR-V200 + dedicated motor (with an encoder) The vector inverter FR-V200 detects speed by the encoder and speed fluc... More Details >>
- No:21489
- Release Date:2018/08/22 16:27
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The inverters FR-A200 and V200 do not support CC-Link. (The FR-A500 series supports CC-Link.) Use the open collector output and relay output card when combin... More Details >>
- No:21504
- Release Date:2018/08/22 16:28
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