08-15-2018 10:41 AM
Hello, I have the following DAQ (http://www.ni.com/pdf/manuals/374369a.pdf).
I created a VI to read 4 analog input channels, and I only wired the ai0 channel only. However, the other three channels are still showing readings on the numeric indicators.
How do I update my code such that the VI recognizes that nothing is hooked up to these channels and subsequently displays something like "N/A"?
Thank you.
08-15-2018 11:22 AM
What are the readings you are seeing? If you command the DAQ to read from a channel, it will read it regardless if something is wired up. Ideally, you should just be measuring noise. But you may be seeing "ghosting" as well (How Do I Eliminate Ghosting from My Measurements?).