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FAQ within [ FREQROL-A700 ]

301-310 of Total 352

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  • 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

  • Wiring length

    The total wiring length is as follows: 100 m + (20 m × 5) = 200m. More Details >>

    • No：21144
    • 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

  • Electronic bypass function

    No, it is not available. It is only available in the External operation mode or combined operation mode (PU speed command and External operation command (Pr.... More Details >>

    • No：21192
    • Release Date：2018/08/22 16:26

  • Electronic bypass function

    No, it cannot be normally closed contact. When the electronic bypass function is used, the setting of Pr.17 is disabled. More Details >>

    • No：21193
    • Release Date：2018/08/22 16:26

  • Megger test

    When carrying out the megger test of the inverter, shorten all the terminals R, S, T, U, V, and W of the main circuit and use the 500 VDC megger for earth. D... More Details >>

    • No：21327
    • Release Date：2018/08/22 16:27

  • Parameter

    Press the "MODE" key on the operation panel several times to display "P.0" and parameter setting screen. Then turn the setting dial to display "C..." screen ... More Details >>

    • No：21336
    • Release Date：2018/08/22 16:27

  • Terminal

    For an inverter with the terminal AU, use the terminal AU. For other inverters, assign the AU function to an unused terminal. And, short-circuit (turn ON) th... More Details >>

    • No：21678
    • Release Date：2018/08/22 16:28

  • Switching between external operation and NET operation

    You can monitor the fault output in both NET operation and external operation. More Details >>

    • No：21686
    • Release Date：2018/08/22 16:28

301-310 of Total 352

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