Rockwell Automation 1756-Lx_Mx ControlLogix Controller and Memory Board Installation Instructions - Manual (Page 17)

ControlLogix Controller and Memory Board 17
Publication 1756-IN101L-EN-P - June 2008
Installing a Memory Board on a ControlLogix5550 or
ControlLogix5555 Controller
If your ControlLogix5550 or ControlLogix5555 controller requires a different
memory board, install or replace the board as described. The tools required
are:
• #2 Philips screwdriver
• grounding wriststrap
Before you replace the memory board, determine if you must update the
controller firmware.
ATTENTION
Before you install or replace the memory board, disconnect the battery from
the controller. Otherwise, you may damage the memory board.
WARNING
When you connect or disconnect the battery an electrical arc can occur. This
could cause an explosion in hazardous location installations. Be sure that
power is removed or the area is nonhazardous before proceeding.
For Safety information on the handling of lithium batteries, including handling
and disposal of leaking batteries, see Guidelines for Handling Lithium
Batteries, publication
AG-5-4-NOV04 .
Update the Controller Firmware
Controller Replacing Memory Board
with Action
ControlLogix5550 No update is required at this time.
ControlLogix5555 Same catalog number of
memory board No update is required at this time.
Different catalog number of
memory board
For example, you are replacing a
1756-M13 memory board with a
1756-M23 memory board
Before you replace the board
update the firmware of the
controller to a revision that is
compatible with the memory board
that you will install.