PI Adapter for OPC UA should be able to poll data from the OPC UA Server
Currently the PI Adapter for OPC UA only collects unsolicited advised data that is different from the previous value. We would need to see a polling feature to be able to:
- Refresh slow moving streams with updates with the same value but different timestamp
- Get the information in the OPC UA Server at a defined time stamp
This polling feature could pave the way to more features like setup the equivalent of "Trigger event tags" offered by the old PI OPC DA Interface technology
After BAD situation when no new data is pushed from server, data remains #BAD until....