Rockwell Automation 1785-LTx,D178510.3 QUICK START CLASSIC PLC-5 PROG - Manual (Page 10)

2–3 Set up the Hardware
Publication 1785Ć10.3 - October 1996
Y N
20609-M
Keying
Bands
Set the power supply configuration
jumper.
Install the keying bands.
Are you using a power
supply module in
the chassis?
between
• 40 & 42
• 54 & 56
PLCĆ5/20
Processor
I/O
Module
I/O
Module
2
3
N Y N Y Set Y when you install a power
supply module in the chassis; set
N (the default) when you use an
external power supply.
See the user manual
for your particular I/O
module for information
on where to set these
keying bands.
For more information, see the Universal I/O Chassis Installation
Instructions, publication number 1771-2.10.
Ground the I/O Chassis
Enclosure
Grounding electrode conductor
To grounding electrode system
Ground
bus
I/O chassis wall
Ground
lug Nut
Star
washer
Ground lug
15561
(for remote I/O systems) (for extendedĆlocal systems)
ExtendedĆlocal I/O cables
Ground
bus
To
grounding
electrode
system
(single
point only)
I/O chassis
wall
Ground
lug Nut
Star
washer
Ground lug
18585
Ground
bus
Enclosure Enclosure
For more information, see the Allen-Bradley Programmable
Controller Wiring and Grounding Guidelines, publication
number 1770-4.1.
More
More