GE Series 90-30 PLC - Page 32

GFK-0356Q Chapter 1 Overview of the Series 90-30 PLC 1-3
1
USER PROGRAM
1HOUR.
LONGER THAN
REMOVED FOR
SUPPLY IS
LOST IF POW ER
VALUES MAY BE
AND REGISTER
CPU/1 2 3 4 5
E
X
P
A
N
S
I
O
N
Memory Backup
Warning Label
CPU Slot (Slot 1)
I/O Bus
Expansion
Connector
Power
Supply
CAUTION
PROGRAMMABLE
CONTROLLER
BASE 5-SLOT
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.
100-240 VAC
PROGRAMMABLE
CONTROLLER
+
PWR
OK
RUN
BATT
GE Fanuc
Series 90-30
POWER SUPPLY
50/60 HZ 100VA
125VDC, 50W
INPUT
24 VDC
OUTPUT
0.8A MAX.
HIGH CAPACITY
B
A
T
T
E
R
Y
Figure 1-2. Power Supply Module