Mitsubishi A2SHCPU (S1) User Manual

10 - 4
10. MAINTENANCE AND INSPECTION
10.3 Battery Replacement
M9006 or M9007 is turned ON when voltage of the battery for backing up programs and
power failure compensation function drops. Even though programs and contents of power
failure compensation function are not erased immediately when these special relays
become ON, the contents could be erased if the ON-status of the special relay fails to be
recognized.
Replace the battery while the total period of power failure is less than shown in Table 10.3
from when the M9006 or M9007 is turned ON.
Yardstick for battery life and the specifics of replacement are explained below.
10.3.1 Battery life
(1) The battery life is shown in Table 10.3 when using a software version CPU module.
For software version check, refer to Section 4.5.1.
There is no difference of battery life in the A2SHCPU depending on versions.
• A1SJHCPU: Hardware version R or later
• A1SJHCPU-S8: Hardware version H or later
• A1SHCPU: Hardware version H or later
DANGER
Properly connect batteries.Do not charge, disassemble, heat or throw them into the
fire and do not make them short-circuited and soldered.
Incorrect battery handling may cause personal injuries or a fire due to exothermic
heat, burst and/or ignition.
Table10.3 Battery life
CPU Module
Model Name
Current-carrying
Hour Rate
*1
Battery Life
*5
Guaranteed
Value
*2
Actual Value (TYP)
*3
After Turning ON
M9006 or M9007
(Power failure
compensation time
after alarm
occurrence
*4
)
Ambient
Temperature
40
Ambient
Temperature
25
A1SJHCPU(S8)
0%
4,000 hr
0.4 years
24,500hr
2.8 years
27,000hr
3.1 years
100hr
4 days
30%
5,700 hr
0.6 years
35,000hr
4.0 years
38,500hr
4.4 years
100hr
4 days
50%
8,000hr
0.9 years
43,800hr
5 years
43,800hr
5 years
100hr
4 days
100%
43,800hr
5 years
43,800hr
5 years
43,800hr
5 years
100hr
4 days

Mitsubishi A2SHCPU (S1) Specifications

General

Brand	Mitsubishi
Model	A2SHCPU (S1)
Category	Controller
Language	English