Approximate Battery Backup Time (S2Pu82); Operating Rate Of S2Pu82 With Battery - Backup Period (Year); Operating Rate - Backup Period (Year) At 25°C - Toshiba V Series User Manual

Chapter 5 Maintenance and Checking
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Approximate battery backup time (S2PU82)

Backup time required for S2PU82 user program memory, data memory and calendar
memory is shown below.
Operating rate - Backup period (year) at 25°C
1 .
9 .
8 .
7 .
6 .
5 .
4 .
3 .
2 .
1 .
.
% 1 % 2 %
Table 5-5 Operating rate of S2PU82 with battery - Backup period (year)
0.0%
Mean value 510 days
(1.4 years)
Guaranteed 83 days
performance (0.22 years)
1. The curves in the above figure indicate the operating rate of S2PU82 against the backup
time.
Operating rate = Total energizing time / Total de-energizing time + Total de-energizing time
x 100[%]
2. Backup days vary depending on ambient temperatures.
3. Battery is little consumed during operation.
3 % 4 % 5 % 6 %
Operating rate
Operating rate
25.0% 50.0%
680 days 1020 days
(1.9 years (2.8 years)
110 days 165 days
(0.3 years) (0.45 years)
Caution
model 2000 Sequence Controller S2 User's Manual -Basic Hardware-
Mean value
Guaranteed
performance
7 % 8 % 9 % 1 %
75.0% 100.0%
2050 days 3650 days
(5.6 years) (10 years)
330 days 3650 days
(0.9 years) (10 years)