LabVIEW Real-Time Idea Exchange

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Allow Shared Variable Engine on RT target to act as OPC-UA server

The SVE on a windows based platform acts as a OPC-DA server. Due to the requirements for DCOM, this is not possible on real-time target. However, as OPC-UA is gaining traction, I would find it very useful to have the SVE act as an OPC-UA server for integration with 3rd party systems (SCADA, IIoT).

 

I know that there is the OPC-UA API palette, however, this takes more time to setup than creating a shared variable (i.e. a tag) and moving on with the application development. If update rates are slow enough (500-1000ms), I have found the shared variable to be more than adequate for my applications (500-800 NSVs), so I'm not looking for granular control over how I send data out of the cRIO system. Ease of use is my primary concern.

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LV 6.1 to 2015 SP1