Reading OPC data

Hello all,

I recently had to read and manipulate data from a device that supports browsing. After connection, data was visible in the designer’s OPC browser… But in order to access the data within module code, I had to create tags, and then read/subscribe to those tags. This made me wonder if i’m missing something.

Is it possible to subscribe to data directly from a device that supports browsing, without creating tags at all?


You can read, using system.opc.readValues, but you can’t subscribe.