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    HMI-Can't change the mode of operation

    HMI-Can't change the mode of operation

    Zhongxian
    Member

    Hello, thanks for you reply.

    i can't change the mode from mannual mode to other modes;

    when i reset cold from twincat side, i can change from mannual mode to other mode once, but can't to change back, or to other mode. 

    the value of Station.Unit.ModeRequest is corrent when i click any of modes,  but Station.Unit.ModeSet can't change to the mode i request.

    2024-04-29_20h04_55.png

    i also met a problem, that is my release conditions is ok, but all the buttons of the projects are not allowed to clik,no other mannual fucntion is running.

    like the pictures below, i read plc code to oes, and export again, there is no effect.

    2024-04-29_10h51_19.png

    6 REPLIES 6

    SteffenR-
    Community Moderator
    Community Moderator

    @RottG 
    Your description sounds similar to the OpconBase Page Fault Exception problem which also can't be solved easily:

    https://community.developer.bosch.com/t5/Knowledge-base/OpconBase-Page-Fault-Exception/ta-p/71255

    It would be interesting if your case can be prevented by following the PLC Change Guide: 

    https://community.developer.bosch.com/t5/Knowledge-base/TwinCAT-PLC-Change-Guide-English/ta-p/87937

    RottG
    Established Member

    Good idea, I will try it next time.

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