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start an acquisition with digital trigger


Can anyone send a program in LV 8.0 to start acquiring data with a digital edged trigger from PFI0. I am using PXI-6289.

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Ok I found one example in LV. 
How can i get the status of trigger?. Now I can start acquisition with AI line with the trigger.
But I also want to change the digital line A0.1 to high status as soon as I got the trigger.
How can i do this?

Pls help.


Rg

Naushica

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Hello,

I've just taken a look at your post and Im in the process of working through it, keep looking through the LabVIEW help files and use ni.com's Developer Zone to find tutorials and examples in the meantime.

Tom
NIUK

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Hello again,

After researching your problem more I believe this example would be of use to you. If you download the VI attached to this example you'll see that this isnt far from what you attempting to achieve. There is a Master and Slave architecture to this approach, with the analogue task being the Master, setting up the timing as the t

he Digital I/O subsystem (DIO) does not have its own internal clock source. The DIO will reference the analogue acquisition or generation for triggering which should solve your problem. This is known as correlated IO signalling.

This example is the nearest to your situation

>> http://zone.ni.com/devzone/cda/epd/p/id/1673

These one may be of help also

>> http://zone.ni.com/devzone/cda/epd/p/id/1566
>> http://forums.ni.com/ni/board/message?board.id=250&message.id=21650&requireLogin=False
>> http://forums.ni.com/ni/board/message?board.id=270&message.id=3128&requireLogin=False

 

In addition this is covered in the LabVIEW help files, which can be filtered for different hardware you have installed on your system by going into your Example finder in the help section, then selecting your hardware in the dropbox in the bottom left corner of the window.

Let me know how you get on.

Good Luck

Tom
NIUK

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