OPC Unified Architecture Data Access Client communication protocol
Protocol specification
Basic concepts
Initiation of communication
Communication line configuration
Protocol configuration on the communication line
Protocol configuration on the communication station
I/O tag configuration
Browser dialog window
Tell commands
Literature
Changes and modifications
Document revisions
...
The monitored items should be then inserted to these subscriptions. They correspond with the instances of I/O tags, which contain the parameters defined in the address dialog window.
From this moment, the server informs the client about the changes on the monitored objects by
Kotva | ||||
---|---|---|---|---|
|
...