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2 SYSTEM CONFIGURATION
Table 2.2 Battery life of Q6BAT/Q7BAT (continued)
Motion controller Battery type
Battery
consumption
(Note-1)
Battery life (Total power failure time) [h]
(Note-2)
Power-on
time ratio
(Note-3)
Guaranteed
value
(Note-4)
(MIN)
(75°C (167°F))
Guaranteed
value
(Note-5)
(TYP)
(40°C (104°F))
Actual service
value
(Note-6)
(Reference value)
(TYP)
(25°C (77°F))
Backup time
after alarm
Q170MSCPU-S1
Q7BAT
(Large capacity)
1
0%
43800 43800 43800
90
(After SM51/
SM52 ON)
30%
50%
70%
100%
2
0% 7600 21500 25000
30% 10900 30400 35300
50% 15100 42000
43800
70% 24700
43800
100% 43800
3
0% 4100 11900 13750
30% 5900 17000 19500
50% 8200 23600 27000
70% 13600 38600
43800
100% 43800 43800
(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.
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.
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