Rockwell-automation 1790-XXXX CompactBlock LDX I/O DeviceNet RTD and T Manuale Utente Scaricare il pdf (Pagina 13)

13

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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