Stopping Subvi and returns a value of Subvi to MainVi

Hi all

I have a MainVI that calls a Subvi. The call in sub - VI of the MainVI is done inside a while loop. If the necessary calculation in Subvi time exceeds say 1 second I want to stop the Subvi and at the same time I want to feed a default value to the MainVI which is supposed to given by the Subvi. With the next iteration, I must call the Subvi again to accomplish my task. Please let me know how this is possible thanks in advance.

Kind regards

Magi

Magi,

The Subvi terminals will always have a value when the Subvi back.  If you do not set any other value, the value will be the default value. Add a Boolean result to the Subvi to indicate if it has expired or it terminates normally.  That test boolean in primary VI to see if the data value is valid or not.

The questions you are asking are quite fundamental to how LabVIEW. I suggest you sepnd online some time with the tutorials on getting started with LabVIEW. What you learn, it will be over for the time spent to ask fundamental questions.

Lynn

Tags: NI Software

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