Helly everyone,
I've been attempting to measure the current across a circuit in LabVIEW with the usb 6009, but the DAQmx express vi seems to be giving me some trouble. When I configure the channel to read out a voltage input it is spot on, however when I change the channel so it converts to current it appears to be saturated at a level below what I am looking for. Essentially I am inputing around 3 V, but after converting to current it will only read a little over 1 V. The Ohm's Law calculations here are very simple, so I'm confused as to why this could be happening. I've played around with all the values in the DAQmx express vi's channel configurations, but nothing seems to change excepting the external shunt resistance, which is supposed to be 10m.
I can very easily just do the calculations programmatically, but if there's a way around that I'd certainly be interested. I'll come back after my lunch break to check if you guys have come up with anything.
Thanks,
Travis