ALLEN BRADLEY 1747-L551 PLC Processor

Installing Your Hardware Components
6–7
Component Placement
!
ATTENTION: Jumper J4, located on the bottom
corner of the motherboard, provides write protection
from any download of a new operating system. The
“out of the box” position of this jumper is
“PROTECT,” or write protect. Without the jumper, the
processors are write protected.
Catalog and Serial
Number Label
SLC 500
PROCESSOR UNIT
CAT SER FAC
SERIAL NO.
PROC. REV.
PLACE OS UPGRADE LABEL HERE
OPERATING SYSTEM INFO
OS # SER FRN
PROTECT
WHITE + 1
RED -
3
PROGRAM
BATTERY J4
CURRENT REQUIREMENTS: 1A @ 5 VDC
200mA @ 24 VDC
® U LISTED IND. CONT. EQ.
L FOR HAZ. LOC. A196 SA ®
CLASS 1, GROUPS A, B, C AND D, DIV. 2
OPERATING TEMPERATURE CODE T3C
Î ÎÎ
MADE IN USA
Î ÎÎ
Place the operating
system upgrade
label here.
Daughter Board
The SLC 5/03, SLC 5/04, or SLC 5/05
processors are protected from the
operating system download when jumper
J4 is in this position:
Operating System
Upgrade/Memory
Module Socket
OR
The SLC 5/03, SLC 5/04, or SLC 5/05
processors accept the operating system
download when jumper J4 is in this
position:
Mother Board
Jumper J4
Publication 1747-6.2