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FAQ within [ FREQROL-A700 ]

181-190 of Total 351

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  • 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

  • Operation panel

    If "PS" is displayed even the "STOP/RESET" key on the operation panel is not pressed, a inverter fault may be the cause. In this case, consult with your sale... More Details >>

    • No：21343
    • Release Date：2018/08/22 16:27

  • Parameter setting software

    The parameter setting software we provide is the FR Configurator (FR-SW3-SETUP-WJ). You must purchase it to use. Once you purchase the software, you can upgr... More Details >>

    • No：21673
    • Release Date：2018/08/22 16:28

  • 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

  • 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

  • Transistor output module of the programmable controller

    Check if signals that are ON when the programmable controller's transistor output starts are always ON. More Details >>

    • No：21811
    • Release Date：2018/08/22 16:29

  • CC-Link

    The FR-A7NC is designed for the FR-A700, FR-F700, and FR-F700P.The FR-A7NC E kit is designed for the FR-E700 with the dedicated cover. (Only the dedicated co... More Details >>

    • No：21830
    • Release Date：2018/08/22 16:29

  • Electronic bypass function

    With the automatic bypass sequence (Pr.139 ≠ 9999, Pr.159 = 9999), the motor operation is switched to commercial power supply operation when the output frequ... More Details >>

    • No：21189
    • Release Date：2018/08/22 16:26

  • 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

  • Auto tuning

    Normally, the auto tuning condition depends on the combination of the inverter and motor (including wiring to the motor), perform auto tuning each time. The ... More Details >>

    • No：21293
    • Release Date：2018/08/22 16:26

181-190 of Total 351

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