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Correlated Digital I/O Using Analog Input Task in DAQmx

VERSION 1

Created on: Jun 19, 2009 10:54 AM by JohnP - Last Modified:  Jun 19, 2009 11:03 AM by JohnP

Introduction

This example uses DAQmx to synchronize a Correlated Digital Input task with an Analog Input Task.  You may synchronize Analog Output and Digital Output tasks in this manner as well.

 

Additional Notes

It is important to start the Analog Input task (the Master) after the Digital Task.  This ensures that the digital task has been started and is ready to begin acquisition on the first edge of the analog input sample clock.

This example will work on any device that uses DAQmx and supports Correlated Digital I/O.

To perform Correlated Digital I/O on 9172 Chassis, you need a Correlated Module in slot 1-4 of the chassis.

 

AI_DI_Sync.PNG

 

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