Specifications

12 ControlLogix™ Controller and Memory Board
Publication
1756-IN101H-EN-P - June 2003
Install a Memory Board on a 1756-L1, -L1Mx, or -L55Mxx Controller
If your controller requires a memory board or requires a different
memory board, install or replace the board as follows:
Tools that You Need
To add a memory board to a 1756-L1, -L1Mx, or -L55Mxx controller,
you need the following tools:
• #2 phillips screwdriver
• grounding wriststrap
Determine if the Firmware Requires an Update
Determine if you must update the firmware of the controller before
you replace the board.
1. Is this a 1756-L55 or -L55Mxx controller?
ATTENTION
!
• Before you install or replace the memory
board, disconnect the battery from the
controller. Otherwise, you may damage the
memory board.
• Do not remove the cover or install a different
memory board of a 1756-L61, -L62, or -L63
controller. This will damage the controller.
If: Then:
No Go to “Remove the Side Plate of the Controller” on page 13.
Yes Go to step 2.