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FAQ within [ FREQROL-A700 ]

1-10 of Total 351

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  • Real sensorless vector control

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

    • No：21714
    • 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

  • 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

  • Advanced magnetic flux vector control

    It can be used with the FR-A700 and FR-E700 series. More Details >>

    • No：21298
    • Release Date：2018/08/22 16:26

  • 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

  • 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

  • FR-A701

    It is protected not by observing the temperature directly, but by estimating it from the current value, output frequency, and carrier frequency. More Details >>

    • No：20871
    • Release Date：2018/08/22 16:24

  • 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

  • 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

  • Auto tuning

    Yes. More Details >>

    • No：21749
    • Release Date：2018/08/22 16:29

1-10 of Total 351

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