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The following illustrations describe some common differential mode connection methods of the BNC-08/16DI enclosure. These are
just a few of the many possible connection methods made possible using the programmable signal conditioning circuits.
1.
Diagram A. describes a true differential setup utilizing a pair of coaxial cables. The grounding of the coaxial cable's shield at the
enclosure end of the BNC cable is strictly an option.
2.
Diagram B. describes a differential setup where the signal source and A/D board have isolated grounds. Resistor RSX has been
provided for each pair of differential inputs to maintain a reference to ground. The grounding of the coaxial cable's shield at the
enclosure end of the BNC cable is strictly an option.
3.
Diagram C. describes a method of making a differential measurement using a single coaxial cable.
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