Can't connect asynchronously to opcua server Question: I’m trying to get a value of a node in my OPCUA server. I’m using asyncua on a windows 10 x64 computer. The server is on a PLC. When I write this in a normal task it works client = Client("opc.tcp://192.168.1.88:4840") # client.max_chunkcount = 5000 # in case …
Is there a function or method for decoding OPC-UA extension objects to readable form Question: UaExpert is displaying this array as follows: Is there any way to decode this extension object to a readable form? My output is the following. I done some research and the question has been raised but I haven’t found any …
Can opcua client trigger events to server in Python? Question: i have an issue with the design of my server-client opcua framework. The thing is, from client i want to send a event notification to opcuaServer. Is this possible? Until now i can send event triggers from server, but i dont know if client is …
Python OPC UA call method without arguments gives error Question: I am trying to call a method with no input arguements which is as follows : [1] [1]: https://i.stack.imgur.com/tGFe9.png So far I have tried this : method=client.get_node("ns=5;s=Demo.StateMachines.Program01.Reset") parent=client.get_node("ns=5;s=Demo.StateMachines.Program01") output=parent.call_method(method) but it given me this BadNotExecutable error: "The executable attribute does not allow the execution of …
