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FAQ within [ FREQROL-A700 ]

41-50 of Total 352

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  • Electronic bypass function

    The signals MRS and CS are required when the automatic bypass sequence enabled. More Details >>

    • No：21187
    • Release Date：2018/08/22 16:26

  • Auto tuning

    If you have already set other parameters necessary for tuning (Pr.9, Pr.71, Pr.80, Pr.81, Pr.83, and Pr.84), press the MODE button to return to the frequency... More Details >>

    • No：21750
    • Release Date：2018/08/22 16:29

  • 400 V inverter

    No, it does not run. "Err" is displayed when it is operated. Always input the same voltage (400 V) to the main power supply and control power supply. More Details >>

    • No：21179
    • Release Date：2018/08/22 16:26

  • FR-A700

    The leakage current is 1 mA because the circuit constant in the EMC filter of A720-0.4K and 0.75K are different. More Details >>

    • No：21120
    • Release Date：2018/08/22 16:26

  • Electronic bypass function

    For countermeasures against the open/close surge of the MC (magnetic contactor). Insert a diode not to apply 27 VDC or more to the open collector terminal of... More Details >>

    • No：21188
    • Release Date：2018/08/22 16:26

  • Offline auto tuning

    Leave the setting of Pr.96 as "3". It indicates that auto tuning has been completed and the motor constant has been read. When it is changed unnecessarily, t... More Details >>

    • No：21352
    • Release Date：2018/08/22 16:27

  • DC reactor

    The 75K or higher DC reactor is included in the 75K or higher inverter. The option cannot be purchased separately. More Details >>

    • No：21252
    • Release Date：2018/08/22 16:26

  • Input phase loss protection

    The initial value of Pr.872 is set to "1" (Valid) because the A701 have regeneration unit built-in and an overvoltage may occur when the regenerative operati... More Details >>

    • No：20945
    • Release Date：2018/08/22 16:25

  • Fast-response current limit

    It is not activated because the function itself is disabled. More Details >>

    • No：21137
    • Release Date：2018/08/22 16:26

  • Orientation control

    The following reasons are possible. - The signal of Z phase does not exist. (It is not returned normally.) - The setting of Pr.359 encoder rotation direction... More Details >>

    • No：21162
    • Release Date：2018/08/22 16:26

41-50 of Total 352

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