Specifications
7–7
Wiring Your I/O Modules
Publication
1747-6.2
Terminals on the modules have self-lifting pressure plates that accept
2 #14 AWG wires. Series B 12-point and 16-point and analog
modules are equipped with removable terminal blocks for ease of
wiring. The plug for the removable terminals is also color coded:
red (AC), blue (DC), orange (relay), or green (specialty).
LED indicators on the front of each module display the status of each
I/O point. The LED indicators illuminate when the proper signal to
an input terminal is applied or when the processor commands an
output to be energized.
To locate the I/O module wiring diagrams, contact your
Allen-Bradley sales office for the latest product data entitled Discrete
Input and Output Modules, Publication Number 1746-2.35. Or,
locate the installation instruction sheet that was sent with your I/O
module; it also includes I/O wiring diagrams.
1. Install a tie wire to secure your wiring and keep it neat. (If you
feed the tie into one hole, it will be routed back out through the
other.)
OUTPUT INPUT
Tie Wire
1
2
3
4
5
0
1
2
3
4
5
0
Wires Leading to Output
and Input Devices
2. Cover any unused slots with card slot fillers
(Catalog Number 1746-N2) to keep the chassis free from debris
and dust.
Wiring Your I/O Modules