Thanks for your reply. It is not limited to the PLC variables. In the concept it is not known who creates/describes the variable in the data layer e.g. different apps accessing the data layer. Is there a possibility to look up like the last 10 accesses to a variable in the logbook or something similar. E.g. by setting a hook at a certain variable the diagnostic function is selected? Or is there any other way to track the different variables?
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