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Make analog or digital output square wave go to zero on trigger

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Hello,

 

I am very new to the NI DAQ system.  I am trying to write a program in LabWindows that will make my output , a square waveform, go to zero when I  read a voltage above a certain limit on one of my other channels.  For my application I need this to happen very quickly, taking no more than a few hundred nanoseconds.  I  had initialy thought to use the puase trigger, but that does not change the output pulse from high to low when the event is triggered.  I looked at using the refference tigger, but again the value stays in the "high" state after the trigger event.  I am using a 6024E.  If someone can point me towards a function or an example of how to accomplish this, I would be very grateful.  From my internet research and tinkering with the example codes I am begining to fear that my 6024E is not well suited for this application.  

 

-Dustin


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