Wire size and terminal screw torque, Wiring input devices to the module – Rockwell Automation 1762-IR4 RTD/Resistance Input Module User Manual

Page 29

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Publication 1762-UM003A-EN-P - February 2003

Installation and Wiring 2-11

Wire Size and Terminal Screw Torque

Each terminal accepts up to two wires with the following restrictions:

Wiring Input Devices to the Module

After the module is properly installed, follow the wiring procedure
below and the RTD and potentiometer wiring diagrams on pages 2-12
through 2-15. To ensure proper operation and high immunity to
electrical noise, always use Belden™ shielded, twisted-pair or
equivalent wire.

Wire Type

Wire Size

Terminal Screw Torque

Solid

Cu-90°C (194°F)

#14 to #22 AWG

0.904 Nm (8 in-lbs)

Stranded

Cu-90°C (194°F)

#16 to #22 AWG

0.904 Nm (8 in-lbs)

ATTENTION

!

To prevent shock hazard, care should be taken when
wiring the module to analog signal sources. Before
wiring any module, disconnect power from the
system power supply and from any other source to
the module.

cable

signal wire

signal wire

drain wire

foil shield

signal wire

signal wire

Cut foil shield
and drain wire

cable

signal wire

signal wire

drain wire

foil shield

signal wires (3)

Cut foil shield
and drain wire

signal wire

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