The list of sources available DAQmx triggers

If you set a task of acquiring, OR max on the "Triggering" tab, if you select "Digital Edge" in 'Type of trigger' on the right a new control will appear and allow you to choose from a list of choices like "/ PFI1/Dev1.

How can you get a list of these values programmatically in LabVIEW?

I know that this list of type "DAQmx Terminal' palette ' I / o-> DAQmx controls name" LabVIEW. It is also known as the "NI Terminal" in the Help window.

The "DAQmx Terminal" control does not have a property for this node there an invoke node. The range of function DAQmx a nodes property for the physical channels and channels, but not one for terminals.  The 'Device' property does not something or the other.

I found the feature I need in the .NET NationalInstruments.DAQmx assembly:

DaqSystem.Local.LoadDevice (). GetTerminals()

Next to him in .NET (I won't make the .NET framework, a requirement for installation for a measely function call), it is not ideal because it works only if she ran once in LabVIEW.  If you use a second time, it throws an error saying "you can only create an instance of a type of query list once during the lifetime of your application. (LabVIEW 8.5 example attached)

So, again, how can you programmatically get list of triggers available sources of DAQmx in LabVIEW?

Thanks for the help.

Hmm, we have added a lot of properties of the device in DAQmx 8.0 and 8.3 I think, I don't know when we added the property of the terminals. I use DAQmx 8.8 and 8.6 LV (recorded for 8.0 just in case).

You are able to upgrade your version of DAQmx? -C' is what is to control the availability of property rather than the version of LabVIEW.

See you soon,.

Andrew S

Tags: NI Hardware

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