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FAQ within [ FREQROL-A700 ]

251-260 of Total 352

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  • Changing the control method

    Set Pr.71 (Applied motor), Pr.80 (Motor capacity), Pr.81 (Number of motor poles), and Pr.800 (Control method selection). More Details >>

    • No：21245
    • 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

  • Electronic bypass function

    For countermeasures against the open/close surge of the MC (magnetic contactor). Insert a diode not to apply 27 VDC or more to the open collector terminal of... More Details >>

    • No：21188
    • Release Date：2018/08/22 16:26

  • 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

  • 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

  • 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

  • FR-A800

    No. Check the parameter setting of the A700, and then adjust the parameter setting of the A800 to those of the A700. For the details, refer to the replacemen... More Details >>

    • No：21107
    • Release Date：2018/08/22 16:25

  • 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

  • Frequency setting

    You can connect up to three inverters to a single external frequency setting potentiometer to control them.　　 More Details >>

    • No：21917
    • Release Date：2018/08/22 16:30

  • Frequency setting

    Set Pr.125 (Terminal 2 frequency setting gain frequency) = "90 Hz".This changes the frequency with the potentiometer turned to the maximum position (at 5 V i... More Details >>

    • No：21909
    • Release Date：2018/08/22 16:30

251-260 of Total 352

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