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Verifying Digital Counter Output in USB-6210

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Hello,

 

This is my first Labview project and have gotten stuck on something a little trivial that I can't find help for. I am currently counting digital edges on the Counter 0 Source. After counting n rising edges, I wish to output a TTL signal using the counter output.

 

I have two problems:

 

1) It seems I cannot output from counter 0 if I am accepting input from it at the same time. When I try to do so, it says "The specified resource is reserved. The operation could not be completed as specified." Wouldn't Input/Output be two different resources?

 

2) Instead, I am using the output from Counter 1. Is there a way that I can verify that I am indeed generating TTL pulses from this port at the correct time? At the moment I cannot wire up anything from the output port to physically verify it and was hoping there'd be a way through LabVIEW or NIMAX.

 

Thank you


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