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FAQ within [ FREQROL-A700 ]

341-350 of Total 352

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  • Brake resistor

    When the built-in brake resistor is used, the regenerative brake duty is as follows:200 V 0.4K to 3.7K: 3%, 5.5K to 7.5K: 2%400 V 0.4K to 7.5K: 2 % The capac... More Details >>

    • No：21273
    • Release Date：2018/08/22 16:26

  • Frequency setting

    Since Advanced magnetic flux vector control is chosen, the inverter calculates how much the motor rotation slips from the flowing current and adds the slip a... More Details >>

    • No：21684
    • Release Date：2018/08/22 16:28

  • Vector control

    Install the resistor between the terminals PC and OH. More Details >>

    • No：21160
    • 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

    "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

  • 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

  • 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

  • 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

  • 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

341-350 of Total 352

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