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Mike Le

Strange broken wire behavior with polymorphic Advanced TDMS Write node

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I've attached a VI that illustrates some weird behavior with an Advanced TDMS Write node. I have a work-around but figured it was bizarre enough to share with the group.

 

Basically, trying to input a 1D double array from a "Split 1D Array" node causes a broken arrow in some situations.

Advanced TDMS Write Polymorphic with Broken Wire Behavior.vi

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I'm pretty sure this was reported on the NI forums and the easy fix was the LabVIEW band-aid the always copy.  I tried in 2014 and it also is broken. 

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I was converting to Extended Precision and then back to Double, but "Always Copy" is probably the better fix. Thanks!

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I've given this VI to NI to see if they can figure out why it behaves the way it does, and possibly so the next version of LabVIEW has this issue fixed.  I'll update this with the CAR if I get one.

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