Specifications

5–10 Identifying the Components of Your Processor
Publication 1747-6.2
This figure below shows some of the hardware components of the
SLC 5/04 processors (1747-L541, 1747-L542, or 1747-L543).
Left Side View Front View
Location of Serial and
Catalog Numbers
Memory Module
Keyswitch
Battery
(Battery Provides
Back-up Power for
the CMOS RAM)
SLC 5/04 CPU
RUN PROG
FORCE
RS232
BATT
DH+
FLT
RUN
REM
DH+
Channel 1
DH485,
DF1, or
ASCII
Channel 0
Operating System
Memory Module
Download Protection
Jumper