02-03-2007 03:44 PM
02-05-2007 09:19 PM
Hello Prachi.
As I read your post, I am assuming that you would like to measure the difference in two analog input channels. For instance, if 3 V is measured on AI0 and 5V is measured on AI1, you would like to read 2V (5V-3V) in some manner. If this is indeed correct, the 9201 is not capable of doing this via hardware. Many of our cards support differential measurements which take measurements on 2 different AI channels and return the difference between the two voltages. However, differential measurements are not supported on the 9201; only reference single ended measurements (RSE) are supported on this device
If you have LabVIEW, this difference measurement could be done in software and displayed on a front panel indicator fairly easily.
Brian F
Applications Engineer
National Instruments
02-07-2007 11:21 AM
02-08-2007 03:12 PM