Set idle voltage with measurement computing

Question

I am working on a project that does valve control and when the program ends I want the valves to close, by setting the Analog output to a constant value. I am using a USB-3101FS currently. I saw a post on setting idle voltage with DAQmx channel properties, but I was not given the same options because I am using measurement computing devices. 
Edit: here is what I am curerntly working with. It is very early design
 http://imgur.com/GaSaxaY

Answer 1

We were all new once.  If you are interested in learning more here are some free tutorials.
3 Hour Introduction http://www.ni.com/white-paper/5243/en/
6 Hour Introduction http://www.ni.com/white-paper/5241/en/
LabVEW Basics http://www.ni.com/gettingstarted/labviewbasics/
Self Paced training for students http://www.ni.com/academic/students/learn/
Self Paced training beginner to advanced, SSP Required http://sine.ni.com/myni/self-paced-training/app/main.xhtml
LabVIEW Wiki on Training http://labviewwiki.org/LabVIEW_tutorial#External_Links
So a few things.  First your program runs, and it runs once and will be done after the last item finishes executing on the block diagram.  Turn on highlight execution to see it run (the little light bulb on the block diagram).  This is not how most programs go.  Generally a user wants to be able to interact with the UI and have it change values as they change them.  To do this you need your program to run in a loop until a condition is met to cause a it to close.  This is where our friend the while loop comes in.  The while loop can keep the program executing until a stop condition is seen.  The easy method is to create a button on the front panel, then wire it to the stop condition of the loop and now your program continues to run until you press stop.  After your loop is done executing is where you can have some closing steps to set your output to 0.
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