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FAQ within [ FREQROL-A700 ]

201-210 of Total 351

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  • Setting frequency

    Set Pr.52 (DU/PU main display data selection) to "5".This allows for displaying the setting frequency on the voltage monitor.Then, switch to the monitor mode... More Details >>

    • No：21784
    • Release Date：2018/08/22 16:29

  • Auto tuning

    If "1" is not shown on the frequency monitor, some of the parameters necessary for auto tuning may not be set correctly.Set rated motor current of Pr.81 (Num... More Details >>

    • No：21751
    • Release Date：2018/08/22 16:29

  • Parameter setting

    Set Pr.125 (Terminal 2 frequency setting gain frequency) to "50 Hz".Set Pr.1 (Maximum frequency) to "50 Hz". More Details >>

    • No：21720
    • Release Date：2018/08/22 16:29

  • Connecting ammeter to output side

    Yes. Use a moving-iron type ammeter. However, if the carrier frequency exceeds 5 kHz, do not use that meter since an overcurrent losses produced in the inter... More Details >>

    • No：21681
    • Release Date：2018/08/22 16:28

  • Frequency

    When the torque is supposed as 100% at 60 Hz, the torque becomes 75 % at 80 Hz. (Under V/F control, the torque decreases when the frequency exceeds 60 Hz bec... More Details >>

    • No：21284
    • 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

  • Output current

    Increasing the value of Pr.0 (Torque boost) increases the output voltage, and the output current also increases.Note that increasing this value too high puts... More Details >>

    • No：21732
    • Release Date：2018/08/22 16:29

  • Electromagnetic contactor

    Turning ON/OFF the output side during operation causes open/close surges that may trigger the protective function (against overcurrent or overvoltage) of the... More Details >>

    • No：21725
    • Release Date：2018/08/22 16:29

  • Terminal FM

    You can connect a 1 mA full scale ammeter with internal resistance 300 Ω or lower. More Details >>

    • No：21680
    • Release Date：2018/08/22 16:28

  • Pulse change

    When the pulse is counted and displayed, 1440 pulses are output with the frequency of the inverter is 60 Hz. Since these pulses are limited to 2400 pulses, a... More Details >>

    • No：21334
    • Release Date：2018/08/22 16:27

201-210 of Total 351

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