My sub - VI does not work unless it is open

I'm working on a simple data analysis program for a system for the acquisition of 32 channels operating at 2 kHz. Before opening the > 50 MB .csv files, I would like to chart to see what was going on in each channel, on a graph (i.e. 32 series plotted together).  I made one under VI that is passed to a file and this chart. I tried it with a constant path, and it works fine.

The problem is, I have a "main program" calling this subroutine VI to chart all of the files that it identifies. In the master's program, I have an array of files that need to be analyzed. I convey this in a loop FOR, autoindexed. In all my other for programming Labview, the program works well and runs the Subvi. But in this particular case, it does not work. I see it takes the same amount of time per loop properly (for example, 5 seconds per file), but it does not only export files UNLESS THE Subvi IS in a LABVIEW OTHER WINDOW OPEN. The front panel for the Subvi is what it takes to run correctly. When I have two open front panels and I run the program, it displays the correct graphics as .bmp in the right folder. But it does not display anything when the Subvi is not open.

Quite confused... do not know what could be the cause... LabView2011 student Ed.

Thanks in advance!

Go to the Subvi and change the following properties (file... VI properties):

Uder Windows apperance... customize: set it on "display front panel, when it is called" and "close later...". »

Under Windows Runtime Position: Adjust the position of 'reduced '.

Tags: NI Software

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