Rockwell-automation 1790-XXXX CompactBlock LDX I/O DeviceNet RTD and T Manual de usuario Pagina 13

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Publication 1790-IN011B-EN-P - April 2003
3-Wire Potentiometer Interconnection
TIP
The potentiometer wiper arm can be
connected to either the EXC or return
terminal, depending on whether you
want increasing or decreasing
resistance.
CH0_A
CH0_B
COM
CH0_A
CH0_B
COM
Cable Shield (to Ground)
RTD EXC
Return
Potentiomete
r
Cable Shield (to Ground)
RTD EXC
Return
Potentiometer
Sense
Run Return and sense wires from
the module to potentiometer terminal
and tie terminal to one point
Run Return and sense wires from
the module to potentiometer terminal
and tie terminal to one point
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