How to connect my potentiometer (3 connections: wine, Vout & amp; common) to USB-6008

Hi looking for help connect my knobs to my DAQ USB-6008. Essentially got some linear and chain of pots that will be connected to the fitting of the parts to give a linear movement of DC output voltage. Got DAQ USB-6008 DC output read and display in LABview.

The pots have 3 electrical connections:

1 input voltage

2. output voltage

3 common

Entry and common connections are connected to my power supply DC leaving a single output voltage wire.

1 should I connect DAQ in premium or CSR mode?

2. as I have only a single output connection (as input and common are atttached to food) what can I connect to GND mode CSR (or the terminal for the differential mode - ve)? Can he remain unconnected?

3. do I need to connect anything to the output of data acquisition channels? or data acquisition will read my entries and display them in LABVIEW?

Excellent. Thanks for your reply. Think about it, as I have many pots to connect up to this unique DAQ so if I use the DAQ outputs to power pots, then I would be limited to two pots on the DAQ specification?

If I use the other method and hang the pot common and input for external power supply-/ + terminal and the hook to the top of the pot then you suggest also, I need to pin 1 ground output to the AI1 on data acquisition. What is all the Earth? What do you suggest as a land? If I go down this road then allow me up to 8 pots on this data acquisition? (And I guess each other the GNDs would also need to be connected to each other input used?)

Tags: NI Hardware

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