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FAQ within [ FREQROL-A700 ]

1-10 of Total 352

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  • 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

  • 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

  • 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

  • Real sensorless vector control

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

    • No：21714
    • Release Date：2018/08/22 16:29

  • Vector control

    They are not output while the motor is coasting even under Vector control. More Details >>

    • No：21158
    • Release Date：2018/08/22 16:26

  • 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

  • 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

  • CC-Link

    You can select deceleration stop by setting Pr.502 (Stop mode selection at communication error). (Select from coasting to stop, deceleration to stop, and con... More Details >>

    • No：21892
    • Release Date：2018/08/22 16:29

  • 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

1-10 of Total 352

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