Wiring Your I/O Modules
Preparing Your Wiring Layout Careful wire routing within the enclosure helps to cut down electrical noise
between I/O lines Follow these rules for routing your wires.
Route incoming power to the controller by a separate path from wiring to
I/O devices Where paths must cross, their intersection should be
Do not run signal or communications wiring and power wiring in
the same conduit.
If wiring ducts are used, allow for at least two inches between I/O wiring
ducts and the controller. If the terminal strips are used for I/O wring, allow
for at least two inches between the terminal strips and the controller.
Segregate I/O wiring by signal type. Bundle wiring with similar electrical
Wires with different signal characteristics should be routed into the enclosure
by separate paths.
ATTENTION: If the controller is being installed within a potentially
hazardous environment (that is, Class I, Division 2), all wiring must
comply with the requirements stated in the National Electrical Code