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FAQ within [ FREQROL-V200 ]

1-10 of Total 51

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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

  • Angular velocity change control

    The inverter itself does not have a function to detect the rotation angle and change the velocity accordingly. Therefore, to implement required control, it i... More Details >>

    • No：22086
    • Release Date：2018/08/22 16:30

  • Motor wiring length

    Up to 50 m. Be sure to connect the encoder cables in parallel and use the thicker cable gauge. You can extend this distance up to 100 m by using the long dis... More Details >>

    • No：21641
    • 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

  • 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

  • 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

  • What happens if reset occurs during operation?

    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

  • 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

  • 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

1-10 of Total 51

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