Do something in the DAQmx way that does not fit? (Counter triggered on PXI-6608)

Hello

I want to create a counter with my PXI6608 who goes off with an external input, then counts down progressive. I so want to be able to read the County in LabVIEW and therefore to determine the time since the outbreak. I realized this before with the old code, but we know not how to do in the DAQmx way. In particular, I can't create a task because what I want to do seems to be in one of the models of task DAQmx previously envisaged.

Can anyone help? I guess that there is a way to create an 'empty' DAQmx task so I can fill in the details with nodes in property?

See you soon

Lee

You'll want to do a spot of leader board and set the source to be among the bases of internal time using a property node DAQmx (set it before you begin the task):

The feature of cause you're looking for is called a 'start trigger arms' in DAQmx.  It is configured via a property node (also before starting the task):

I don't know what you're getting at in regards the DAQmx task "empty."  In general, you will use the standard API to define the characteristics and nodes property for more advanced features so you'll end up with a combination of the two.  In many cases, you can replace the DAQmx API with knots of property (for a fun example, open the calendar VI DAQmx), but chances are that you might be forgetting something important so I would say always with the screw and then tacking on the nodes property for additional features when needed.

If you use LV 2012, This example should help you get started (or if not, the image still shows you what should look like the task).

Best regards

Tags: NI Hardware

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