How to stop instances of a Subvi from data sharing?
My first experience with a Subvi I created myself has no . The first instance works very well. But when I use a second instance of the Subvi that they interact with each other. They seem to be somehow sharing data. In other words, when I probe a wire inside a Subvi instances I see values that should be present in the other instance.
I created the Subvi in literally "manual mode". Everything falls into place as examples of 'LabVIEW Edition student of 8'.
The code works fine if you use is not in a Subvi. In other words, when I "cut - paste" the code several times, it works correctly. But when I wrap the code in a Subvi I get interaction between bodies. Has anyone else had this problem? What do you have on this?
Thank you
You have several problems.
1. your main VI which calls a Subvi is called USC_SG_subVI, but you posted USC_strain_subvi.
2 USC_strain-sub-VI, is NOT configured for a re-entrant execution. Look at the file/VI then execution properties.
3. you use a node of feedback within the Subvi. (Which is another variant of a change uninitialized records). I recommend that you keep the Subvi feedback and make it a part of the master while loop in you main VI.
Tags: NI Software
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