PCI-5114 clicks when the trigger is changed - is that bad?

Hello world

I work with a PCI-5114, using several triggers in a LabVIEW program that loops each second.  At the program, I first trigger off channel 0, then reset the trigger to collect different information, this time this release out of the channel of relaxation and reading of channel 1.  It works, and I get the data I want (hooray!), but whenever the trigger changes (once per second), I hear a loud click of the PCI-5114.  Is this bad?  Switching like that ends up hurting my scanner?

If this is not evil, I am happy to endure the clicks.  If it is bad, so I need to figure out a new way to read my card.

Thanks in advance!

Hello Karl,.

Some maps of range, such as the PCI-5114, have active switches in them.  The noise you hear is the switching whenever you change your analog trigger from one channel to the other.  These switches go bad eventually after prolonged use, so I highly recommend that you stop the analog trigger behind switching, each iteration of the loop.  Once the switch has to be bad, your card will be sent repair.  Instead, you can look into using one of the PFI lines as trigger instead.

Kind regards

Tags: NI Products

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