For Real-Time to HMI communication, you can utilize the approaches outlined in Section 6 of the Understanding Communication Options Between the Windows HMI, RT Process, and FPGA document. Specifically for lossless communication of messages, you can follow one of two approaches:
If you are using the Simple Messaging (STM) Communication Library for LabVIEW to send messages from the LabVIEW Real-Time target, it is recommended to use Network Streams between LabVIEW Real-Time and LabWindows/CVI. However, if you would like to continue to use the STM library, you can build your LabWindows/CVI interface for the STM library from the NI Community Client Implementation example. For data types and messages being sent with the library that are not currently implemented in the example, you can add your own custom code and use the Flattened Data help for more information on the data format.
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