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FAQ within [ FREQROL-V200 ]

31-40 of Total 51

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  • Speed fluctuation ratio

    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
  • Torque control accuracy

    Since the torque control accuracy is influenced by change of motor temperature:- Standard product???±5% (at 75 deg C) ±0.5%/deg C of rated torque- Combinatio... More Details >>

    • No:21645
    • Release Date:2018/08/22 16:28
  • Encoder

    It is necessary for vector control operation. Use a dedicated motor or a motor with an encoder. If you use another manufacturer's motor, use an encoder capab... More Details >>

    • No:21650
    • Release Date:2018/08/22 16:28
  • CC-Link

    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
  • Coasting to stop method

    Use Pr.17 (Input terminal assignment) to assign MRS to the terminals DI1, DI2, and DI3. More Details >>

    • No:21937
    • Release Date:2018/08/22 16:30
  • Driving 200 V motor by 400 V inverter

    A 400 V inverter does not operate when 200 V is supplied to it, therefore the motor does not rotate. A 200 V motor can be rotated by a 400 V inverter, howeve... More Details >>

    • No:21446
    • Release Date:2018/08/22 16:27
  • 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
  • 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
  • Meaning of OL display (2)

    Yes. "OL" is displayed under speed control whenever the torque limit is reached without regard to the rated torque. More Details >>

    • No:21448
    • Release Date:2018/08/22 16:27
  • 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

31-40 of Total 51

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