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FAQ within [ FREQROL-A700 ]

31-40 of Total 352

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  • 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

  • Rotation speed display

    It is not switched. The frequency at the fault saved in the faults history is always displayed in frequency [Hz]. More Details >>

    • No：21180
    • Release Date：2018/08/22 16:26

  • Frequency setting

    Even though the maximum frequency setting is changed using CC-Link, the running frequency is not changed. By writing the set frequency to the remote register... More Details >>

    • No：21346
    • Release Date：2018/08/22 16:27

  • 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

  • Advanced magnetic flux vector control

    Check the parameters necessary for tuning again.Check if Pr.9 (Electronic thermal O/L relay) and Pr.81 (Number of motor poles) are set correctly. More Details >>

    • No：21754
    • Release Date：2018/08/22 16:29

  • Magnetic flux vector control

    For low-speed operation, perform auto tuning and use (Advanced) magnetic flux vector control. More Details >>

    • No：21810
    • Release Date：2018/08/22 16:29

  • 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

  • Brake sequence function

    Turn OFF the BOF signal when switching the operation from forward rotation to reverse rotation. More Details >>

    • No：21184
    • Release Date：2018/08/22 16:26

  • Electronic bypass function

    Turn ON and OFF the RES signal to enable the inverter-driven operation. More Details >>

    • No：21190
    • Release Date：2018/08/22 16:26

  • Model selection

    Use the FR-A740. Basically, select the capacity according to the calculation result of "rated inverter output current ? rated motor current × 1.1". More Details >>

    • No：21244
    • Release Date：2018/08/22 16:26

31-40 of Total 352

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