User`s manual

Maintenance and inspection Battery life and replacement procedure
10 – 10
Battery Q7BAT
● Q02(H)-, Q06H-, Q12H- or Q25HCPU (first digits of serial No. is "05010..." or earlier)
Tab. 10-10:Battery (Q7BAT) lives of Q02(H)-, Q06H-, Q12H- or Q25HCPU (first digits of serial
No. is "05010..." or earlier)

The power-on time ratio indicates the ratio of programmable controller power-on time to one day (24 hours).
When the total power-on time is 12 hours and the total power-off time is 12 hours, the power-on time ratio is 50 %.

At 70 °C.

At 40 °C.
NOTES
When the battery (Q7BAT) is not connected to the CPU module, its service life is five years.
Replace the battery after this time.
Battery Q7BAT is not available in EU countries.
The battery Q7BAT is not available for the Basic model QCPU (00JCPU, Q00CPU and
Q01CPU).
CPU
Power-on
time ratio

Battery life (Q7BAT)
Guaranteed value

Actual service value

After SM52 turned on
Q02CPU 0 % 13000 hours
(1.48 years)
43800 hours
(5 years)
240 hours (10 days)
30 % 18571 hours
(2.11 years)
50 % 26000 hours
(2.96 years)
70 % 43333 hours
(4.94 years)
100 % 43800 hours
(5 years)
Q02HCPU
Q06HCPU
0 % 5000 hours
(0.57 years)
38881 hours
(4.43 years)
240 hours (10 days)
30 % 7142 hours
(0.81 years)
43800 hours
(5 years)
50 % 10000 hours
(1.14 years)
70 % 16666 hours
(1.90 years)
100 % 43800 hours
(5 years)
Q12HCPU
Q25HCPU
0 % 2900 hours
(0.33 years)
16711 hours
(1.90 years)
96 hours (4 days)
30 % 4142 hours
(0.47 years)
23873 hours
(2.72 years)
50 % 5800 hours
(0.66 years)
33422 hours
(3.81 years)
70 % 9666 hours
(1.10 years)
43800 hours
(5 years)
100 % 43800 hours
(5 years)