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Error-50103 occurred at DAQmx Start Task.vi:2

Hello, everyone,

 

I am a new user of labview.

I have a simple question here.

 

The card I am using is BNC-2120

 

The purpose of my code is:

(1)   wait for a trigger signal (AI2) (First part in the above flat sequence)

(2)   after it is triggered, wait for about 5 seconds, then give a pulse signal (AO0) to a switch (Later parts in the above flat sequence)

(3)   During the total procedure (waiting part and afterwards), record the signal (AI0) (the bottom for loop, looks strange, but it works ok for my system.)

 

It works OK sometimes.

But it often indicates an error when I try to run it. The information about the error is:

 

“Error-50103 occurred at DAQmx Start Task.vi:2

 

Possible reason(s):

The specified resource is reserved. The operation could not be completed as specified.

Task Name:_unnamedTask<180>”

 

I think the problem is probably from the trigger part. But I can not fix it.

 

Could anybody help me?

 

Thank you very very much!

  

Stone1234

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The card is PCI-6221.

And this problem has been fixed in the main forum of labview.

Thanks this forum!

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