GE 90-30 PLC Series Installation And Hardware Manual page 34

Memory Backup
Warning Label
Figure 1-1. Five-Slot CPU Baseplate
Next, we'll add a power supply module. It mounts in the unnumbered slot on the left end of the
baseplate. This slot has a unique connector that will only fit a power supply module.
Figure 1-2. Power Supply Module
GFK-0356Q Chapter 1 Overview of the Series 90-30 PLC
PROGRAMMABLE
CONTROLLER
BASE 5-SLOT
CAUTION
USER PROGRAM
AND REGISTER
VALUES MAY BE
LOST IF POW ER
SUPPLY IS
REMOVED FOR
LONGER THAN
1 HOUR.
Power
CPU/1 2
Supply
CPU Slot (Slot 1)
Series 90-30
POWER SUPPLY
PROGRAMMABLE CONTROLLER
HIGH CAPACITY
INPUT
100-240 VAC
50/60 HZ 100VA
125VDC, 50W
+
24 VDC
OUTPUT
0.8A MAX.
B
A
T
T
E
R
Y
E
X
P
A
N
S
I
O
N
3 4 5
PWR
OK
RUN
BATT
1
I/O Bus
Expansion
Connector
1-3