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FAQ within [ FREQROL-A700 ]

281-290 of Total 352

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  • 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

  • Operation mode setting

    Rapid blinking of the RUN LED indicates that the frequency setting command has not been input or the output stop signal has been input.Since Pr.79 is set to ... More Details >>

    • No：21853
    • Release Date：2018/08/22 16:29

  • Switching between PU and NET operation modes

    Set Pr.340 (Communication startup mode selection) to "10".The operation mode can be switched between PU and NET by assigning X65 (PU-NET operation switching)... More Details >>

    • No：21878
    • Release Date：2018/08/22 16:29

  • Terminals P1 and P

    Removal of the jumper between the terminals P1 and P is not necessary unless you are using the DC reactor.Set Pr.30 = "0" when using the brake unit.Since set... More Details >>

    • No：21921
    • Release Date：2018/08/22 16:30

  • 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

  • Frequency setting

    Since Pr.3 (Base frequency) is a parameter to set the rated motor frequency, setting it to 80 Hz does not increase the frequency.Set this parameter to the ra... More Details >>

    • No：21788
    • Release Date：2018/08/22 16:29

  • 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

  • Amount of heat generated

    Refer to the FR-A700/F700/E700/D700 series TECHNICAL MANUAL (section 3.7.2) and the Technical News. The FR-A700/F700/E700/D700 series TECHNICAL MANUAL can be... More Details >>

    • No：21263
    • Release Date：2018/08/22 16:26

  • Capacity selection

    Select the inverter capacity so that the rated output current of inverter ? rated motor current × 1.1. More Details >>

    • No：21326
    • Release Date：2018/08/22 16:27

  • Frequency setting

    It is not stored in a parameter but memorized as the frequency setting value after acceleration by the acceleration signal.You can also choose whether or not... More Details >>

    • No：21733
    • Release Date：2018/08/22 16:29

281-290 of Total 352

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