Como leer variables desde sup a VI has main VI of the United Nations

MI pregunta es the following:

Yo created a program that is able to leer codes of barras por medio una camara Web, además of characters the camara misma desde leer. Este VI esta integrated a main United Nations VI y lo deseo are realize leer los datos obtenidos mi Subvi para poder manipularlos in main el VI, los datos del Subvi son datos tipo salida string if alguien me pudiera orientar para resolver este problema.

Understand English, don't worry.

Follow an example.

I don't know what you do to the camera, so with some time, I created a Subvi loop that updates a string for each interaction. An entry of the Subvi is the indicator of the MainVI chain. The loop takes about 10 sec.

Note that even if the loop in the main tracks of VI every second, the string value is updated a lot of time between each loop interaction. If you want to be less updates, you must add a time delay within the Subvi.

(In fact, even if you stop the main VI before 10 seconds the indicator will continue updated!)

Tags: NI Software

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