My NI support contract expired, so I was hoping someone could do a sanity check on a pretty simple system I've layed out before I renew it and go to a FAE. It's been awhile since I dabbled in this stuff.
I have an application where I want to test, say, a 5x5 matrix of electrical conductors for opens and shorts. My idea is to drive a voltage (say, 10V) on the first conductor in the X dimension. Then, check each additional X conductor using a DMM to check for 0V (no shorts). Then, I want to check each Y conductor to verify they are getting 10V (no opens). I'll then step through driving 10V on each additional X conductor, verifying no shorts to the other X conductors.
I'll then swap the process around: drive the first conductor in the Y dimension, check for 10V at the other Y conductors to detect shorts. If my testing above passed, I'll already know I don't have any opens in the Y dimension, so I can stop there.
I've done a crude layout in Word using some PXI components that I think will get the job done. The PXI-2527 would run in two-wire mode (it would actually give me 16 channels, so technically I suppose I could hook both the X and Y conductors to it, but my actual matrix is much larger, so disregard for now).
Any thoughts, corrections, or simplifications are welcome.
