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FAQ within [ FREQROL-E700 ]

171-180 of Total 393

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  • UL standard

    Both 200 V class and 400 V class are suitable for use in a circuit capable of delivering not more than 100 kA rms symmetrical amperes, 264 V maximum (528 V f... More Details >>

    • No：21358
    • Release Date：2018/08/22 16:27

  • Countermeasure against noises

    Yes. The carrier frequency can be decreased by the setting of Pr.72 (PWM frequency selection). More Details >>

    • No：21338
    • Release Date：2018/08/22 16:27

  • Frequency setting signal

    Check that the wiring of the terminal 4 and 5 are not reversed. More Details >>

    • No：21266
    • 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

  • 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

  • CC-Link

    Set Pr.79 (Operation mode) setting value to "0", "2", or "6", Pr.340 (Communication startup mode selection) other than the setting value, Pr.542 (Station num... More Details >>

    • No：21896
    • Release Date：2018/08/22 16:29

  • CC-Link

    The way to monitor the output current and read parameters via CC-Link is identical in all operation modes.　 More Details >>

    • No：21872
    • Release Date：2018/08/22 16:29

  • CC-Link

    1. It depends on how Pr.338 (Communication operation command source) and Pr.339 (Communication speed command source) are set.2. The external terminal reset i... More Details >>

    • No：21838
    • Release Date：2018/08/22 16:29

  • Frequency meter

    First, check if Pr.55 (Frequency monitor reference) that is the reference for the FM output is set correctly.Next, operate the inverter (without connecting a... More Details >>

    • No：21808
    • Release Date：2018/08/22 16:29

  • Frequency setting

    As the AS-OX has the "0ADJ" potentiometer for frequency meter calibration, use it to adjust the meter so that both readings match.　　 More Details >>

    • No：21795
    • Release Date：2018/08/22 16:29

171-180 of Total 393

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