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FAQ within [ FREQROL-V200 ]

1-10 of Total 52

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  • Meaning of OL display

    "OL" stands for "overload". Whenever current of 150% or more of the inverter rated current flows, "OL" is ON. If you continue operation with "OL" is displaye... More Details >>

    • No:21449
    • Release Date:2018/08/22 16:27
  • Automatic restart after instantaneous power failure

    1. Yes. The inverter cannot restart if STF and STR are turned OFF.However, on the next startup, the inverter detects coasting and restarts.2. When automatic ... More Details >>

    • No:21942
    • 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
  • Automatic restart after instantaneous power failure

    The inverter has the automatic restart after instantaneous power failure function. By setting Pr.61 to other than "9999", the encoder detects the speed of th... More Details >>

    • No:21642
    • Release Date:2018/08/22 16:28
  • 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
  • Inverter drive of 400 V class motor

    When the wiring between the inverter and motor is long, surge voltage occurs at the terminal of the motor.This surge voltage deteriorates insulation of the m... More Details >>

    • No:21926
    • Release Date:2018/08/22 16:30
  • Model configuration

    12 models of FREQROL-V200 vector inverters each for the 200 V and 400 V classes from 1.5K to 45K. 9 models of SF-VR vector control dedicated motors each for ... More Details >>

    • No:21657
    • Release Date:2018/08/22 16:28
  • Regeneration unit

    You can reuse the brake units used with the FR-A series, including the FR-RC power regeneration converter, FR-BU, and BU brake unit. You can also use the hig... More Details >>

    • No:21658
    • Release Date:2018/08/22 16:28
  • Energy saving effect of inverter operation

    Energy saving operation of the inverter is represented by comparison with commercial power supply operation.  For example, to control air volume of an air co... More Details >>

    • No:21622
    • Release Date:2018/08/22 16:28
  • Speed fluctuation

    I use the dedicated motor SF-VR with the same capacity as the inverter. 1. Load fluctuationSpeed fluctuation ratio with the load fluctuation 0 to 100% is:Wit... More Details >>

    • No:21490
    • Release Date:2018/08/22 16:27

1-10 of Total 52