Appendix 4.3 Sram Card Battery Life - Mitsubishi Electric Q26UD(E)HCPU User Manual

Appendix 4.3
SRAM card
Q2MEM-1MBS
Manufacturing control
number "A"
Q2MEM-1MBS
Manufacturing control
number "B"
or
"B"

B or later
Q2MEM-2MBS
Q3MEM-4MBS
Q3MEM-8MBS
630
SRAM card battery life
Power-on
*1
time ratio
0%
*2
100%
0%
30%
*2
50%
*2
70%
100%
0%
30%
50%
70%
100%
0%
30%
50%
70%
100%
0%
30%
50%
70%
100%
Actual service value
Guaranteed value
(MIN)
(Reference value)
690 hours
0.07 years
11,784 hours
1.34 years
2,400 hours
0.27 years
2,880 hours
0.32 years
4,320 hours
0.49 years
6,480 hours
0.73 years
43,800 hours
5.0 years
2,400 hours
0.27 years
2,880 hours
0.32 years
4,320 hours
0.49 years
6,480 hours
0.73 years
43,800 hours
5.0 years
43,800 hours
5.0 years
36,300 hours
4.1 years
43,800 hours
5.0 years
*3
Battery life
After SM52
turned on
*4
(Backup power time
after an alarm)
6,336 hours
0.72 years
13,872 hours
1.58 years
23,660 hours
2.7 years
31,540 hours
3.6 years
39,420 hours
4.5 years
43,800 hours
5.0 years
23,660 hours
2.7 years
31,540 hours
3.6 years
39,420 hours
4.5 years
43,800 hours
5.0 years
43,800 hours
5.0 years
43,800 hours
5.0 years
8 hours
20 hours
50 hours
20 hours
50 hours
50 hours
50 hours