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FAQ within [ FREQROL-A700 ]

111-120 of Total 352

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  • Megger test

    When carrying out the megger test of the inverter, shorten all the terminals R, S, T, U, V, and W of the main circuit and use the 500 VDC megger for earth. D... More Details >>

    • No：21327
    • Release Date：2018/08/22 16:27

  • 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

  • Package

    It is the fixing screw for the inverter cooling fan cover.The size and number of screws depend on the model and capacity.(When exporting the product to the E... More Details >>

    • No：21746
    • Release Date：2018/08/22 16:29

  • Frequency setting

    No. You cannot change the setting during operation.However, setting Pr.77 (Parameter write selection) to "2" allows for the setting change during operation. ... More Details >>

    • No：21734
    • 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

  • Terminal

    For an inverter with the terminal AU, use the terminal AU. For other inverters, assign the AU function to an unused terminal. And, short-circuit (turn ON) th... More Details >>

    • No：21678
    • Release Date：2018/08/22 16:28

  • Switching between External operation mode and PU operation mode

    Assign X16 signal, and set Pr.79 to "0", to switch the operation mode with turning ON/OFF X16 signal. More Details >>

    • No：21288
    • Release Date：2018/08/22 16:26

  • Parameter setting

    Yes. The single-phase 200 V can be input. If the single-phase input is performed when Pr.872 (Input phase loss protection) is set to "1", the input phase los... More Details >>

    • No：21270
    • Release Date：2018/08/22 16:26

  • CC-Link

    Yes. The FR-A7NC E kit contains a dedicated front cover since its size changes by the installed board.You can additionally purchase the FR-A7NC E kit cover o... More Details >>

    • No：21889
    • Release Date：2018/08/22 16:29

  • CC-Link

    Up to 42 units can be connected. (When only inverters are connected) More Details >>

    • No：21873
    • Release Date：2018/08/22 16:29

111-120 of Total 352

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