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 …
OpenOPC using Python Question: I am trying to do some stuff with siemens PLC using OPENOPC using python. I am wondering how I will get OPC server that I can communicate using PYOPC. Is there any open OPC server available or am I not understanding some of the key concepts here? Since I am a …
