Mixing Terminal Configurations in NI-DAQmx Tasks

[diarmaede]

NI-MAX appears to allow you to setup NI-DAQmx tasks with some lines configured as differential signals and others configured as single-ended.  Did I get that right?  If so, is there any reason not to do that? I am used to setting up tasks in LabVIEW and setting one type of terminal configuration per task.

Thanks.

[crossrulz]

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@diarmaede wrote:

Did I get that right?  If so, is there any reason not to do that?

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Yes, that is correct.  No, there is no real reason not to do it.  It really just comes down to what signals you are trying to capture.  But you might want to give this article a good look: Field Wiring and Noise Considerations for Analog Signals

The other thing to watch out for is that you don't use one of your "negative" lines of a differential channel also as a Single Ended signal.  I think DAQmx will yell at you for that.