GE 90-30 PLC Series Installation And Hardware Manual page 74

Replaceable System (firmware) PROM
Description Label
Says "With CPU"
Memory Backup
Warning Label
Figure 3-2. Models IC693CPU311 and IC693CPU313 (5-Slot) Embedded CPU Baseplates
Figure 3-3. Model IC693CPU323 (10-slot) Embedded CPU Baseplate
GFK-0356Q Chapter 3 Baseplates
PROGRAMMABLE
CONTROLLER
BASE 5-SLOT
WITH CPU
CAUTION
USER PROGRAM
AND REGISTER
VALUES MAY BE
LOST IF POWER
SUPPLY IS
REMOVED FOR
LONGER THAN
1 HOUR
POWER
SUPPLY
PROGRAM
SYSTEM
PROM
PROM
1
PROGRAMMABLE
CONTROLLER
BASE 10-SLOT
WITH CPU
CAUTION
NON-CPU SLOTS
USER PROGRAM
AND REGISTER
VALUES MAY BE
LOST IF POWER
C
SUPPLY IS
P
REMOVED FOR
U
LONGER THAN
1 HOUR.
POWER
I/O-1 I/O-2
SUPPLY
SYSTEM PROGRAM
PROM PROM
1
NON-CPU SLOTS
C
P
U
I/O-1 I/O-2
I/O-3 I/O-4 I/O-5 I/O-6
Socket for Optional Program PROM
I/O-3 I/O-4 I/O-5
I/O-7 I/O-8 I/O-9 I/O-10
3
3-5