I’m having trouble syncing the trigger with two 9215 and one 9401

[dksys2000@yahoo.com]

I have a cDAQ-9172 with two 9215 and one 9401. I need 7 analog inputs with one digital output. I’m having trouble syncing the trigger like I do on 4461 using ai/StartTrigger.

 

First time using CDAQ system

 

Thanks

 

Dan

[Jordan F]

Hi Dan,

You can synchronize the two tasks (analog input and digital output) similar to that of an M or E series DAQ card.  This is done by using the ai/sample clock for the digital task.  With this method, the digital output will not begin until the AI task starts because the sample clock will not start until the AI task begins.  I attached a program (LV 8.2) and a screenshot to should how to program this in LabVIEW.  With this method, you do not need to use any triggers because the tasks will be synchronized and use the same sample clock.

If this is not quite what you are doing it would be helpful to give a little more insight into your application.