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FAQ within [ FREQROL-A700 ]

321-330 of Total 352

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  • Running frequency

    There are two methods to reduce the running frequency variation. 1. Increase the setting value of Pr.74 (Input filter time constant) to reduce the variation.... More Details >>

    • No：21296
    • Release Date：2018/08/22 16:26

  • Brake resistor

    Use two resistors for the high-duty brake resistor FR-ABR-15K. (Connect two resistors of 18 ? in parallel.) More Details >>

    • No：21329
    • Release Date：2018/08/22 16:27

  • Frequency setting

    Pr.1 (Maximum frequency) and Pr.18 (Maximum frequency).　　 More Details >>

    • No：21744
    • Release Date：2018/08/22 16:29

  • 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

  • Using external potentiometer and multi-speed operation together

    You can use an external potentiometer and multi-speed operation together.When an external potentiometer signal input and multi-speed setting occur simultaneo... More Details >>

    • No：21920
    • Release Date：2018/08/22 16:30

  • Motor: SF-HJCA

    Configure the same setting as the SF-HRCA. Configure the same setting as the SF-HRCA. A700, E700, D700, F700PJ: Pr.71 = 50F700P, F700: Pr.71 = 1 (Reference) ... More Details >>

    • No：21136
    • 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

  • NET operation mode

    Normally, the inverter starts up in the NET operation mode at power ON when Pr.340 is set to "10" and Pr.79 is set to "0". When it starts up in the PU operat... More Details >>

    • No：21319
    • Release Date：2018/08/22 16:27

  • 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

  • RUN blinks

    When using the setting dial to set the frequency, turn the dial and press the "SET" key while the desired value flickers. (The value and "F" flicker alternat... More Details >>

    • No：21692
    • Release Date：2018/08/22 16:28

321-330 of Total 352

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