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FAQ within [ FREQROL-A700 ]

1-10 of Total 352

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  • FR-A800

    Yes. More Details >>

    • No：20959
    • Release Date：2018/08/22 16:25

  • Wiring length

    Under Real sensorless vector control, the maximum wiring length is 500 m. Under Vector control with encoder, the maximum wiring length is 100 m. More Details >>

    • No：21133
    • Release Date：2018/08/22 16:26

  • Vector control

    "E.OSD" occurs when the rotation speed is not decreased for one second despite the start command (STF, STR) is turned OFF. More Details >>

    • No：21159
    • 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

  • Real sensorless vector control

    The FR-A700 supports Real sensorless vector control.　　 More Details >>

    • No：21714
    • 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

  • Automatic restart after instantaneous power failure

    The inverter restart operation is disabled at turn-OFF of the CS signal while a value other than "9999" (with restart) is set in Pr.57. The terminals CS and ... More Details >>

    • No：21255
    • Release Date：2018/08/22 16:26

  • AM terminal output

    Set Pr.55 (Frequency monitoring reference) of the first inverter to 70 Hz. More Details >>

    • No：21257
    • Release Date：2018/08/22 16:26

  • CC-Link

    Create a ladder program to read inverter faults on the programmable controller.Set the instruction code (H74-H77) and turn ON the instruction code execution ... More Details >>

    • No：21886
    • Release Date：2018/08/22 16:29

1-10 of Total 352

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