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Thread: ECAT Adding Process Data to XMC_ESC.xlsx fails to go to PREOP state

  1. #1
    New Member New Member aikihana is on a distinguished road
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    ECAT Adding Process Data to XMC_ESC.xlsx fails to go to PREOP state

    All of the EtherCAT examples from Infineon have the same input and output data defined in the XMC_ESC.xlsx file.

    As long as the XMC_ESC.xlsx is not modified everything goes well. The Beckhoff SSC utility generates code and the DAVE4 project compiles okay and the ECAT slave works as expected. TwinCAT is able to set the ECAT slave to the OP state and read/write the process data.

    But when the XMC_ESC.xlsx file is modified to add any new elements to the input or output process data - as shown here:

    Click image for larger version

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    Then TwinCAT reports an error changing the ECAT slave to the PREOP state. TwinCAT shows "ERR PREOP":

    Click image for larger version

Name:	ERR PREOP.PNG
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    I'm at a loss for what is wrong. It looks like the SSC utility generates all the necessary code under SSC/Src. Is there something else that needs to be done to modify the process data?

    Any help is greatly appreciated.
    Thanks

  2. #2
    New Member New Member aikihana is on a distinguished road
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    Solved!

    The XMC_ESC.xml file needed to be copied to the C:\TwinCAT\3.1\Config\Io\EtherCAT directory.

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