I am trying to use the system.opc.readValue function to read a tag value from an OPC server that is in a different gateway than the designer project gateway.
The tag browser can read the value with no issues, but when I use the opc.readvalue function with the same itempath/opcserver format I get a null value with this status:
[Bad_NodeIdUnknown] The node id refers to a node that does not exist in the server address space
Is there a way to read the OPC tag value from a different gateway without subscribing the tag into the tag browser?
Thanks in advance!