Wiring Three Wire Sensor to a Differential Device

Updated Apr 4, 2019

Reported In

Hardware

  • NI-9205
  • CompactDAQ Chassis

Issue Details

I have a three wire sensor (output, positive excitation and negative excitation) and I am not sure how to connect it to a differential channel in one of NI DAQ devices.
 

Solution

All the devices used need to have the same ground, so the negative excitation pin of the sensor and the negative signal pin of the differential input need to be connected together as shown in the diagram below. 
 

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