Carrier UC Open XP Installation And Startup Manual page 19

NOTES
If using shielded wire, connect the shield to the GND terminal with the ground wire. Tape off the
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shield wire at the sensor end.
Connect the shield wire to the GND terminal with the ground wire.
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Use only UI-1 or UI-2 for pulse counter or timed local override.
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For an internally-powered 4-20 mA sensor, wire the sensor's positive terminal to the + terminal on
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the UC Open XP's Aux Power Out port. Wire the sensor's negative terminal to an input's + terminal.
UC Open XP/UC Open XP IO 15