10-01-2012 09:40 AM
Hi to all ,,,
when I connect the two ends of the wire as follows:
Solved! Go to Solution.
10-02-2012 10:28 AM
I recommend reading zone.ni.com/devzone/cda/tut/p/id/3344 but I would also like to know more about your power supply. Is this a bipolar power supply like +/-15V and GND is in the middle? How about telling us the model number and where to get a manual for it?
Albert
10-02-2012 11:23 AM - edited 10-02-2012 11:25 AM
Hello CPUT,
It sounds like you are experiencing the effects of ground loop losses. This happens when connecting a grounded signal source with a reference signal-ended configuration. Please see table one of the field wiring and noise considerations for analog signals for more information on how to successfully wire your system. This can be found in the link albertm posted (http://www.ni.com/white-paper/3344/en#toc3)