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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
  • Energy saving effect of inverter oper...

    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
  • 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
  • What happens if reset occurs during o...

    This is because when the inverter restarts while the motor is coasting, an overcurrent trip can occur during the restart process. However, the recent types o... More Details >>

    • No:21477
    • Release Date:2018/08/22 16:27
  • Speed control range

    1:1500 when using a vector control dedicated motor. Continuous 100% torque operation and short-time 150% torque operation are possible even at 1 rpm. Continu... More Details >>

    • No:21662
    • Release Date:2018/08/22 16:28
  • Reusing parameter units

    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
  • 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
  • Surge voltage of 400 V motor

    When the wire between the 400 V inverter and motor is long (20 m or longer), surge voltage occurs momentarily. This voltage is as two or more times as the DC... More Details >>

    • No:21404
    • Release Date:2018/08/22 16:27
  • Automatic restart after instantaneous...

    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
  • Unwinding using vector inverter

    1. Torque control automatically adjust the speed so that the instructed torque value is maintained. This means that the speed is not controlled. (However, yo... More Details >>

    • No:21420
    • Release Date:2018/08/22 16:27

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