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FAQ within [ MELSEC-Q Series ]

191-200 of Total 213

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  • Error code "2110" in QCPU

    The error code "2110" is "SP.UNIT ERROR.". This error may be caused by one of the following factors. (1) The module that has been specified by a FROM/TO i... More Details >>

    • No：22662
    • Release Date：2018/09/03 17:29
    • Update：2018/09/21 13:48

  • Error code "2100" in QCPU

    The error code "2100" is "SP.UNIT LAY ERR.". This error may be caused by one of the following factors. (1) In the I/O assignment setting of the PLC parame... More Details >>

    • No：22650
    • Release Date：2018/09/03 17:29
    • Update：2018/09/21 11:47

  • How to read the device memory in GX Works2

    Select [Online] -> [Read from PLC] from the menu and check "Device Memory" in the file list in the window and then execute PLC read. More Details >>

    • No：22621
    • Release Date：2018/09/03 17:29

  • PLC type change in GX Developer

    Follow the steps below and then execute PLC type change.- On the menu of GX Developer, select [Online] -> [Monitor] -> [Stop Monitoring (All Windows)],... More Details >>

    • No：22522
    • Release Date：2018/09/03 17:28

  • Difference between SM0 and SM1

    SM0 turns ON when self-diagnostic checks detect an error or when an annunciator turns ON.SM1 turns ON when self-diagnostic checks detect an error. More Details >>

    • No：22632
    • Release Date：2018/09/03 17:29

  • Inputting device comments in GX Works2

    Select [Tool] -> [Options] -> [Program Editor] -> "Ladder/SFC"-> "Comment" and change "Reference/Reflection Target for Device Comment" from "Glob... More Details >>

    • No：22559
    • Release Date：2018/09/03 17:29

  • 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

  • Insufficient memory capacity for sequence programs

    It cannot be increased by installing an SRAM card. The size of executable program depends on the program memory size of the CPU. Use another CPU of which p... More Details >>

    • No：22578
    • Release Date：2018/09/03 17:29
    • Update：2018/09/20 17:09

  • Grounding FG and LG terminals of power supply module

    Both of them need to be grounded. They can be shorted and grounded as one cable. More Details >>

    • No：22527
    • Release Date：2018/09/03 17:28

  • USB driver installation

    Yes. A USB driver needs to be installed.For the installation procedure, refer to the following manual. - GX Developer Version 8 Operating Manual (Startup) More Details >>

    • No：22504
    • Release Date：2018/09/03 17:28
    • Update：2018/09/20 13:10

191-200 of Total 213

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