I established OPC UA connection to my CompactLogix PLC in Ignition 8. My OPC Name is OPC_2 and it is connected and I can see PLC Tags and r/w them as well.
When I subsribe a tag it gives me below address:
I entered below path to check the status of Start_PB, but it does not work:
I understand. But I have created 3 OPC UA in Ignition and all of them are connected.
What is the specific address of each of them? I mean if I use `opc.tcp://localhost:62541, which one is called? I should add something after the port number to address only one of them at the time. something like:
It is just for experimenting. Personally I would like to know how I can call one of my 3 OPC UA servers created in Ignition. As I can add OPC UA servers, some how I should be able to specifically address them through other OPC Servers or clients.
By the way, have you ever connected Ignition OPC UA server to OPC expert server?
As I enter the Ignition OPC UA address (opc.tcp://localhost:62541/discovery) in OPC expert, it says it could not connect to that address. !!! I already set all server security to NONE in Ignition side to ease of operation.