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The current pink wire datatype needs to remain as a "byte string" plus "locally encoded text string" to maintain backwards compatibility. A new type of wire (Purple? Darker than pink, paler than DAQmx wires?) should be introduced as a "universal text string" datatype. Explicit conversion (with user-selectable encoding) should be done to change pink wires to purple wires and vice-versa. Binary nodes like "TCP Read"/"TCP Write" should only use pink wires. Purple wires not accepted. Text nodes like "Read from Text File"/"Write to Text File" should ideally only use purple wires, but they need to allow pink wires too for backwards compatibility. VI Analyzer should flag the use of pink wires with these nodes. Perhaps a project-wide setting could be introduced to disable the use of pink wires for text nodes.

Thank you for posting this. It's very helpful and informative. I was noticing icon font issues in LabVIEW 2020 Community Edition for Linux, so it doesn't look like NI has fixed (or knew about) the issue in LV 2020 for Linux either.

You will have to setup the triggering, similar to the snippet below. I don't have those DAQs, so I can't test it. Edit: You might have to do SW trigger, Each DAQ will have its own trigger source (PFI0), and the software will generate a transition on both lines.