Rockwell Automation 1756-BATM ControlLogix Battery Module Installation Instructions - Manual (Page 21)

ControlLogix® Battery Module 21
Publication 1756-IN576B-EN-P - September 2003
IMPORTANT
If the BAT LED turns on when you apply power to the
controller, the battery life may be less then the table
below indicates. Some of the battery life may have been
used up while the controller was off and unable to turn
on the BAT LED.
Table 1 Worst-case estimates of life for the 1756-BATA battery
Controller: Temp: Time before BAT LED turns on: Time after BAT LED
turns on and then
power off 100%:
Power
off 100% Power
off 50% Yearly
decrease:
1756-L55M12
1756-L55M13
60° C 190 days 396 days 11% 190 days
25° C 299 days 562 days 5% 299 days
0° C 268 days 562 days 6% 268 days
1756-L55M14 60° C 130 days 270 days 11% 139 days
25° C 213 days 391 days 5% 228 days
0° C 180 days 381 days 6% 193 days
1756-L55M16 60° C 71 days 160 days 13% 76 days
25° C 133 days 253 days 5% 142 days
0° C 105 days 220 days 6% 112 days
1756-L55M22
1756-L55M23
Use the values for the 1756-L55M13 controller.
1756-L55M24 Use the values for the 1756-L55M14 controller.
1756-L61
1756-L62
1756-L63
60° C 98 days 204 days 11% 104 days
25° C 146 days 268 days 5% 157 days
0° C 105 days 222 days 6% 113 days