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Powering sensor using NI 9237

All, 

 

I am attempting to power a draw-wire sensor using the excitation channels from the NI 9237. I am reading the voltage differential between the wiper and the ground using the NI 9202. The connection seem sot be working except for at random times the noise in the voltage differential signal amplifies in one direction. I have tried to identify the cause of this but have been unsuccessful. Has anyone else experienced similar results??

 

 

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Hi Weagel, 

 

What are the power requirements of the sensor you are using? 

Could you provide something to depict the noise you are seeing? 

What are you using to code? LabVIEW? If so, go ahead and post the code that you are using too. 

 

I will be interested to see what the noise looks like. 

 

 

Clint T.
Applications Engineer
National Instruments
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