On Thu, 21 Dec 2023 14:23:11 -0800 (PST), Lamont Cranston
<
amdx62@gmail.com> wrote:
NI 9213, thermocouple card, ><https://www.ni.com/docs/en-US/bundle/ni-9213-specs/page/specs.html>
It has 79M? differential input impedance.
Is there any reason I can't drive two cards with one k type thermocouple?
Big mean angry guy says, "don't do it", I want to absolutely right before I hold my ground! I see it as a very low impedance driving two very high impedances.
Mikek
On impedance grounds, no problem with paralleling.
But the NI cards may emit common-mode noise, and confuse one another.
I suppose one could put some filters in to handle that kind of
problem.
Joe Gwinn
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