Allen-Bradley 1746-BAS, User Manual, Page: 76 / 84

Publication 1746-UM004A-US-P
C-2 Lithium Battery Replacement, Handling, and Disposal
3. Unplug the battery connector. See Figure 3.1 on page C-2 for battery
connector location.
4. Remove the battery from the retaining clips.
5. Insert a new battery into the battery retaining clips.
6. Plug the battery connector into the socket with the red lead wire on top and
the white lead wire on the bottom. See Figure 3.1 on page C-2 for battery
connector orientation.
7. Re-insert the BASIC module into the SLC 500 chassis.
8. Restore power to the SLC 500 power supply module.
Figure 3.1 Lithium Battery
IMPORTANT
The module has a capacitor that provides 30 minutes of battery
back-up while the battery is disconnected. Data in RAM is not
lost if the battery is replaced within 30 minutes.
SLC 500 BASIC MODULE
CA
T
SER
SERIAL
NO.
FRN
JW1
1
2
3
4
5
6
7
8
9
U
L
PRT1
1
2
3
4
5
6
7
8
9
PRT2
SA
JW2
DH485
Red Wire
White Wire
Lithium Battery