With NI 9234 board you can use 4 IEPE sensors but you don' have IEPE open/short detection capability.
NI 9232 board has IEPE open/short detection capability but has only 3 channels.
I think that a board with 4 channels (as 9234) and an IEPE open/short detection capability would be great!
Vix
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In claris non fit interpretatio
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Using LV from 7
Using LW/CVI from 6.0