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FAQ within [ FREQROL-A700 ]

321-330 of Total 351

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  • Auto tuning

    Check if any device is connected to the inverter's external terminal.In particular, check if MRS and SD are short-circuited.If they are short-circuited, open... More Details >>

    • No：21753
    • Release Date：2018/08/22 16:29

  • 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

  • FR-A701

    The AC reactor (FR-HAL) is built in the FR-A701. (The circuit type in the Harmonic Suppression Guidelines is three-phase bridge (capacitor smoothed), with re... More Details >>

    • No：21011
    • Release Date：2018/08/22 16:25

  • Output frequency monitor value

    When running the inverter after auto tuning, the frequency setting value is increased by the amount of the motor slippage, resulting in a higher monitor valu... More Details >>

    • No：21781
    • Release Date：2018/08/22 16:29

  • Tuning

    Check the parameters listed below necessary for tuning again.Pr.9, Pr.71, Pr.80, Pr.81, Pr.83, Pr.84, and Pr.96 More Details >>

    • No：21726
    • Release Date：2018/08/22 16:29

  • Parameter setting

    Set Pr.9, Pr.71, Pr.80, Pr.81, Pr.83, Pr.84, and Pr.96.　　 More Details >>

    • No：21721
    • Release Date：2018/08/22 16:29

  • Brake unit

    The brake unit operates when the bus voltage exceeds the brake operation voltage. More Details >>

    • No：21272
    • Release Date：2018/08/22 16:26

  • Frequency setting

    Since the Advanced magnetic flux vector control method uses slip compensation to compensate the frequency, the value is not shown as exactly 60 Hz.For V/F co... More Details >>

    • No：21807
    • Release Date：2018/08/22 16:29

  • Brake sequence function

    Turn OFF the BOF signal when switching the operation from forward rotation to reverse rotation. More Details >>

    • No：21184
    • Release Date：2018/08/22 16:26

  • Setting resolution switching

    Check the setting value of Pr.37 (Speed display). When the machine speed is set, Pr.811 is disabled. Change the setting to the rotation speed. More Details >>

    • No：21161
    • Release Date：2018/08/22 16:26

321-330 of Total 351

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