Rockwell Automation 1784-KTXD User Manual Page 138

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Publication 1747-UM011F-EN-P - May 2007
138 Maintaining Your Control System
Install and Replace the
Battery of the SLC 5/01 or
SLC 5/02 Processor
Back-up power for RAM is provided by a replaceable battery. The
lithium battery provides back-up for approximately five years for the
1747-L511 processor and two years for the 1747-L514 and 1747-L524
processor. A red BATTERY LOW status indicator alerts you when the
battery voltage has fallen below a threshold level.
Once the BATTERY LOW status indicator goes on, do not remove
processor power or your program may be lost. Replace the battery as
soon as possible. You can replace the battery while the processor is
powered.
Follow this procedure to install or replace the battery.
1. Open the door of the processor.
2. If you are installing a battery in a new processor (battery never
installed before), remove the jumper from the battery connector
socket. Store the jumper in safe place for possible future use
without the battery.
If you are replacing an old battery, unplug the existing battery
connector and remove from the retainer clips. The figure below
shows where to install the battery in a SLC 5/01 or SLC 5/02
processor.
3. Insert a new or replacement battery in the holder making sure it
is held in by the retainer clips.
4. Plug the battery connector into the socket.
5. Close the processor door.
+
Battery
Connector
Retainer
Clips
White
Lead
Red Lead
Battery
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