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    SOLVED

    TwinCat different download dialog, no boot project

    TwinCat different download dialog, no boot project

    tommy3000
    Established Member

    Hello together

    Do you know, in which situation TwinCat is changing the download dialog.

    tommy3000_0-1658405904830.png

     

    After that dialog, TwinCat will not download a boot project.
    Usually you have the knwon dialog with the option, Online change, download or without download.

    In which case, TwinCat is changing the download procedure?

    Thanks in advance

    3 REPLIES 3

    SteffenR-
    Community Moderator
    Community Moderator

    Some reasons could be (not 100% sure):

    • TwinCAT version 3.1.4020 and 3.1.4022:
      After opening a project you must manually build the project before clicking login button.
    • No (boot) project on the target system.
    • Completely different project than on the target system (not sure what is the indicator for TwinCAT to detect a different application)

    SteffenR-
    Community Moderator
    Community Moderator

    I accidently had the same problem with a test project with TwinCAT XAE 3.1.4024.32 (preparation for bundle release V5.5).

    When you click on the details button, you can see what is preventing the online change:

    SteffenR_0-1658827090764.png

     

    SteffenR-
    Community Moderator
    Community Moderator

    Which TwinCAT version did you use in your case?

    I can acknowledge that the boot project is missing (or not the latest one) with TwinCAT 3.1.4022 when this dialog appears:
    "The application 'Port_851' is currently in RUN mode on the PLC. However, do you want to download the latest code changes?"

    With TwinCAT 4020.28 and 4024 I can't remember any case with missing or old boot project.

    Further feedback/experiences are welcome.

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