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FAQ within [ FREQROL-E500 ]

31-40 of Total 84

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  • Operation command terminal switching

    It rotates in the forward direction while STF is ON.And then, when STR is turned ON and STF is turned OFF, the inverter decelerates down to 0 Hz within the s... More Details >>

    • No：22070
    • Release Date：2018/08/22 16:30

  • Output specification between FM and SD

    The output signal across FM and SD is pulse output. The output frequency and number of pulses of the output signal across FM and SD are proportional. However... More Details >>

    • No：21384
    • Release Date：2018/08/22 16:27

  • Direct driven start by power supply

    The warning "Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter." is indicated in the precautions at the be... More Details >>

    • No：21458
    • Release Date：2018/08/22 16:27

  • Parameter setting for FR-E500

    General-purpose magnetic flux vector control is effective at low speed under a heavy load.To shorten the acceleration time, use Pr.44 to set the second accel... More Details >>

    • No：22059
    • Release Date：2018/08/22 16:30

  • Frequency display deviation

    If you are using an external VR, influence by noise is probable.Setting Pr.74 (Input filter time constant) to a higher value stabilizes the frequency command... More Details >>

    • No：22061
    • Release Date：2018/08/22 16:30

  • Countermeasure against the instantaneous power failure with the inverter

    The power cannot be supplied to the control power supply separately for the FR-A024/A044 and small type FR-E500. Therefore, the UPS is not available. More Details >>

    • No：21368
    • Release Date：2018/08/22 16:27

  • Monitor

    The output current monitor of the inverter displays the output current effective value of the three phases measured by the current sensor. It does not displa... More Details >>

    • No：21373
    • Release Date：2018/08/22 16:27

  • External wiring for CC-Link operation

    For the combination of the FR-A500 + FR-A5NC, Pr.338 and Pr.339 are used to specify whether the external signals or CC-Link commands are used to set the runn... More Details >>

    • No：21973
    • Release Date：2018/08/22 16:30

  • Current monitor display

    The current monitor displays the average value of the three-phase current. The three-phase voltage is not incorporated for the voltage monitor. The output vo... More Details >>

    • No：21376
    • Release Date：2018/08/22 16:27

  • Speed does not exceed 46 Hz

    Since the inverter displayed "0.00" instead of an error when the inverter speed dropped to 0 Hz and stopped by holding the winding machine by hand, it is con... More Details >>

    • No：21492
    • Release Date：2018/08/22 16:27

31-40 of Total 84

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