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FAQ within [ FREQROL-A700 ]

331-340 of Total 352

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  • Driving a single-phase motor

    No, it cannot. More Details >>

    • No：21253
    • Release Date：2018/08/22 16:26

  • Frequency command

    Since the initial value of Pr.13 (Starting frequency) is 0.5 Hz, the operation does not start unless 0.5 Hz or higher frequency is set. When 0.49 Hz is set i... More Details >>

    • No：21251
    • Release Date：2018/08/22 16:26

  • Operation method

    Set Pr.79 (Operation mode) to "3" and Pr.161 (Frequency setting/key lock operation selection) to "1". More Details >>

    • No：21249
    • Release Date：2018/08/22 16:26

  • Replacement

    It is Pr.125 (Terminal 2 frequency setting gain frequency). Adjust the slope with C4 (903) (Terminal 2 frequency setting gain) as necessary. More Details >>

    • No：21247
    • Release Date：2018/08/22 16:26

  • 4 to 20 mA output

    Yes. It is available by using the FR-A7AY (plug-in option). By setting Pr.307 (Setting for zero analog output) to "20" and Pr.309 (Analog output signal volta... More Details >>

    • No：21246
    • 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

    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

  • 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

  • 400 V inverter

    No, it does not run. "Err" is displayed when it is operated. Always input the same voltage (400 V) to the main power supply and control power supply. More Details >>

    • No：21179
    • Release Date：2018/08/22 16:26

  • Auto tuning

    Set "33" or "34". More Details >>

    • No：21167
    • Release Date：2018/08/22 16:26

331-340 of Total 352

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