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FAQ within [ FREQROL-A700 ]

1-10 of Total 352

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  • 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

  • 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

  • Auto tuning

    Yes. More Details >>

    • No：21749
    • 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-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

  • USB connector

    The USB connection requires FR Configurator (FR-SW3-SETUP-WJ) prepared by Mitsubishi Electric Corporation. More Details >>

    • No：21318
    • Release Date：2018/08/22 16:27

  • 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

  • Vector control

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

    • No：21160
    • Release Date：2018/08/22 16:26

1-10 of Total 352

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