Transfer config data refnum problem

I have problem of storage and transfer of value of refnum of configuration data.

The value displayed using the seam of the probe to be OK, but it is not accepted as soon as a continuous run is used.

The attachment shows what I tried.

How the value of refnum of configuration data can be managed?

Do not use run continuously.  It is designed for purposes of debugging, not to run your code normally.  If you need your code to continue to operate, put in a while loop (with a sort of timer loop as the function of waiting (ms), while it is not run as fast as possible and consume all your CPU time).  The use of "Continuous run" is like hitting the button run over and over, and some things reset each time you press the run button.  For example, whenever a first level VI ends, all the references he opened - queues, file references, TCP connections, etc. - are closed and become invalid.  This is what you see - whenever the VI ends, it closes the file, so well that the refnum still contains a value, that value is therefore more a reference valid to a file.  Use some time to keep your code running in a loop instead, and it will do what you want.

Tags: NI Software

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