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FAQ within [ MELSEC-Q Series ]

11-20 of Total 213

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  • Error code "2400" in QCPU

    The error code "2400" is "FILE SET ERROR".It may be determined as the cause of the error that the file that has been specified by a parameter does not exist.... More Details >>

    • No：22703
    • Release Date：2018/09/03 17:29

  • How to open GX Works2 projects in GX Developer

    Select "Project" -> "Export to GX Developer Format File" from the menu of GX Works2 to save the project in the format that can be opened in GX Developer. More Details >>

    • No：22514
    • Release Date：2018/09/03 17:28
    • Update：2018/09/20 13:40

  • Difference between R and ZR

    File registers "R" use the block switching method. The number of file register points used are divided and specified in units of 32k points. When multiple ... More Details >>

    • No：22512
    • Release Date：2018/09/03 17:28
    • Update：2018/09/20 13:29

  • How to clear errors

    Follow the procedure below.(1)Eliminate the error cause.(2) Store the error code to be cleared in SD50.(3)Turn OFF and ON SM50.(4) The error is cleared. More Details >>

    • No：22613
    • Release Date：2018/09/03 17:29

  • Online change setting

    Changing to the monitor write mode automatically changes the online change setting in Options to "Write during RUN (while PLC is running)".With returning to ... More Details >>

    • No：22541
    • Release Date：2018/09/03 17:28

  • Unable to communicate via USB connection

    Check the following points.(1) Transfer Setup is properly configured.(2) The USB driver is properly recognized. More Details >>

    • No：22511
    • Release Date：2018/09/03 17:28

  • Error code "2200" in the High-Performance model QCPU

    The error code "2200" is "MISSING PARA.". It may be determined as the cause of the error that there is no parameter file in the parameter-valid drive that h... More Details >>

    • No：22699
    • Release Date：2018/09/03 17:29
    • Update：2018/09/21 14:24

  • VxWorks

    It is an embedded RTOS (real-time OS) developed by Wind River, which is proven worldwide as reliable and stable.The version of the operation system installed... More Details >>

    • No：22544
    • Release Date：2018/09/03 17:28

  • Reading and writing bits/words using the FL-net (OPCN-2) interface module

    The parameters and auto refresh settings for the FL-net (OPCN-2) interface module cannot be made using the Network Parameter items in GX Developer.Set those ... More Details >>

    • No：22597
    • Release Date：2018/09/03 17:29

  • Unable to select [Transfer Setup]

    If a circuit is being monitored or a monitor window such as the device batch monitor window is open, [Transfer Setup] on the menu is grayed out. Select [Wi... More Details >>

    • No：22548
    • Release Date：2018/09/03 17:28
    • Update：2018/09/20 15:40

11-20 of Total 213

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