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FAQ within [ FREQROL-V200 ]

21-30 of Total 51

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  • Surge voltage of 400 V inverter

    No. Although the carrier frequency increases or decreases the switching count, the switching speed is the OFF-to-ON speed of the IGBT element of the inverter... More Details >>

    • No：21401
    • 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

  • 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

  • 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

  • Power factor improving effect by option

    Installing the high power factor converter brings the power factor improving effect of 99% or higher.Therefore, when the high power factor converter is used,... More Details >>

    • No：22020
    • 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

  • 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

  • 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

  • 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

  • Cycle operation mode, continuous operation mode, torque characteristic selection

    When using a motor with an encoder by performing auto tuning, you need to choose the operation mode or continuous operation mode depending on the application... More Details >>

    • No：21661
    • Release Date：2018/08/22 16:28

21-30 of Total 51

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