Allen-Bradley controllogix 1756-L55M12 User Manual page 125

IMPORTANT
Worst-case Estimates of 1756-BA1 Battery Life
Controller Temperature
1756-L55M12 60 °C (140 °F)
1756-L55M13
25 °C (77 °F)
0 °C (32 °F)
1756-L55M14 60 °C (140 °F)
25 °C (77 °F)
0 °C (32 °F)
1756-L55M16 60 °C (140 °F)
25 °C (77 °F)
0 °C (32 °F)
1756-L55M22 Use the values for the 1756-L55M13 controller.
1756-L55M23
1756-L55M24 Use the values for the 1756-L55M14 controller.
1756-L63 60 °C (140 °F)
25 °C (77 °F)
0 °C (32 °F)
Do not decrease the time after the BAT LED turns on.
If the BAT LED turns on when you apply power to the controller, the remaining
battery life may be less than this table indicates. Some of the battery life may
have been used up while the controller was off and unable to turn on the BAT
LED.
Time Before BAT LED Turns On
Power off 100% Power off 50%
57 days 110 days
63 days 123 days
60 days 118 days
29 days 57 days
30 days 61 days
24 days 48 days
15 days 30 days
13 days 27 days
6 days 12 days
22 days 43 days
21 days 42 days
14 days 28 days
Maintain the Battery
Time after BAT LED turns on
and Power Is Cut Off
Yearly
decrease
23% 69 hours
17% 76 hours
17% 73 hours
23% 35 hours
17% 37 hours
17% 30 hours
23% 18 hours
17% 16 hours
36% 7 hours
23% 6 hours
17% 28 hours
17% 2.5 days
Publication 1756-UM001G-EN-P - January 2007
125