Wrong Data or Information when Running CompactRIO Headlessly

Updated Aug 21, 2018

Reported In

Hardware

  • CompactRIO Controller

Software

  • LabVIEW Real-Time Module
  • LabVIEW

Issue Details

I am logging data to a TDMS file with a CompactRIO. When running interactively (from LabVIEW) I get the right header information, but when I run it headlessly I don't get any information (it shows up as Untitled in the TDMS file). Why?

Solution

Make sure you aren't trying to obtain Front Panel properties on your CompactRIO as shown below:
 
Because CompactRIOs don't have access to Front Panels when run headlessly, Property Nodes referencing Front Panel objects will not return any values. You can instead do any of the following:
 

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