Experimental Physics and
Industrial Control System

"Blomley, Edmund \(IBPT\) via Tech-talk" <tech-talk at aps.anl.gov> · Fri, 26 May 2023 04:18:51 +0000

Hey,

> Saying:
>      field( INP, "@opcua1 str:123,MyObject.MyVariable" )
> does not work but I could find nothing in the documentation that describes the syntax for this case.

I think you are missing quotation marks around the strings. For your case I would try:

field( INP, "@opcua1 str:123,\"MyObject\".\"MyVariable\"" )

In general I find it helpful to use a OPC UA client to connect to the OPC server and look up the proper names of the relevant channels.
For example this one: https://www.unified-automation.com/downloads/opc-ua-clients.html

Cheers
eddy

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System