Hello Matthias, The server state cannot be read out via the DL_ReadNode module, as it is a flat buffer type. Reading out flat buffer types is currently not yet possible for the customer, as libraries still have to be made available here. Alternatively, you can read out the server state if you establish a UA client connection to the local host 127.0.0.1 and use the module UA_ConnectionGetStatus. In addition to the UA Server app, you must also install the UA Client app on the controller. I have attached a project archive as sample code. Many greetings Matthias
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