Mitsubishi Electric Q170MSCPU User Manual page 104

2 SYSTEM CONFIGURATION
Motion controller Battery type
Q7BAT
Q170MSCPU-S1
(Large capacity)
(Note-1): The battery consumption represents consumption of the Motion controller battery energy.
The larger the battery consumption value is, the more battery per time unit is consumed.
Refer to the "QCPU User's Manual (Hardware Design, Maintenance and Inspection) for details.
(Note-2): The actual service value indicates the average value, and the guaranteed value indicates the minimum value.
(Note-3): The power-on time ratio indicates the ratio of Motion controller power-on time to one day (24 hours).
(When the total power-on time is 17 hours and the total power-off time is 7 hours, the power-on time ratio is 70%.)
(Note-4): The guaranteed value (MIN) ; equivalent to the total power failure time that is calculated based on the characteristics value of the
memory (SRAM) supplied by the manufacturer and under the storage ambient temperature range of -25°C to 75°C (-13 to 167°F)
(operating ambient temperature of 0°C to 55°C (32 to 131°F)).
(Note-5): The guaranteed value (TYP) ; equivalent to the total power failure time that is calculated based on the normal air-conditioned
environment (40°C (104°F)).
(Note-6): The actual service value (Reference value) ; equivalent to the total power failure time that is calculated based on the measured
value and under the storage ambient temperature of 25°C (77°F). This value is intended for reference only, as it varies with
characteristics of the memory.
(Note-7): Battery consumption 1 cannot be used in Q170MSCPU.
Table 2.2 Battery life of Q6BAT/Q7BAT (continued)
Battery
Power-on
consumption
time ratio
(Note-1)
(Note-3)
0%
30%
1 50%
70%
100%
0%
30%
2 50%
70%
100%
0%
30%
3 50%
70%
100%
POINTS
The self-discharge influences the battery life even without a connection to the
Motion controller. The battery should be replaced approximately every 4 to 5 years.
In addition, replace the battery with a new one in 4 to 5 years even if the total
power failure time is the guaranteed value or less.
Battery life (Total power failure time) [h]
Guaranteed Guaranteed
(Note-4) (Note-5)
value value
(MIN) (TYP)
(75°C (167°F)) (40°C (104°F))
43800 43800
7600 21500
10900 30400
15100 42000
24700
43800
43800
4100 11900
5900 17000
8200 23600
13600 38600
43800 43800
2 - 73
(Note-2)
Actual service
(Note-6)
value
Backup time
(Reference value)
after alarm
(TYP)
(25°C (77°F))
43800
25000
35300
90
(After SM51/
SM52 ON)
43800
13750
19500
27000
43800