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FAQ within [ FREQROL-D700 ]

81-90 of Total 260

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  • External 0 to 10 VDC input

    Checking terminals used:Are the terminals MRS and RES open?Are the terminals STR and SD short-circuited correctly?Is the voltage/current switch of the termin... More Details >>

    • No：21916
    • Release Date：2018/08/22 16:30

  • 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

  • Network operation

    Set Pr.338 to "0" (NET) and Pr.339 to "1" or "2". More Details >>

    • No：21674
    • Release Date：2018/08/22 16:28

  • Terminal indicator lamp

    The inverter outputs the peak voltage 300 to 400 VDC of the bus voltage not in a pure sine wave but a in a PWM waveform. Check if the lamp to be connected ca... More Details >>

    • No：21323
    • Release Date：2018/08/22 16:27

  • Start command

    Set Pr.338 (Communication command source) to "0" to give a start command from "NET". Set Pr.339 (Speed command source) to "1" to make a frequency setting fro... More Details >>

    • No：21285
    • 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

    This is due to specifications that multi-speed selection is prioritized and setting with the setting dial is ignored.The setting dial is effective when multi... More Details >>

    • No：21843
    • Release Date：2018/08/22 16:29

  • Running frequency

    The power supply voltage may have dropped.Read the converter output voltage monitor (Pr.55 = 8) and check if Converter output voltage monitor/√2 is within th... More Details >>

    • No：21820
    • Release Date：2018/08/22 16:29

  • Parameter setting

    Set Pr.55 (Frequency monitor reference) to "100 Hz".If the indication of the installed frequency meter does not match the running frequency, use the calibrat... More Details >>

    • No：21768
    • Release Date：2018/08/22 16:29

  • Electronic thermal O/L relay setting

    When using multiple motors, connect an external thermal for each of them. Set Pr.9 to "0" to disable the function. (When multiple motors are present, it is n... More Details >>

    • No：21676
    • Release Date：2018/08/22 16:28

81-90 of Total 260

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