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Slow DI response

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I am using a cDAQ to control my test stand.  My main loop reads the analog and digital inputs.  The loop timing is ~10ms.  The pressure transducers are not connected so they are noisy, and because of that I can see that the indicators are being updated very rapidly.  The problem I am having is when I activate one of the digital inputs there is a 5-10 second delay before the indicator updates.  I can see that the LED on the cDAQ responds instantly.  What could be causing this delay?


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