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CHAPTER 12BATTERY
Install a battery (Q6BAT, Q7BAT, or Q8BAT) in the CPU module to hold data on the program memory,
standard RAM, and latch devices even if power failure occurs.
12.1 Battery Specifications
This section describes the specifications of the battery used for the CPU module.Note 12.1
*1 Included only when the Q7BAT-SET is purchased.
*2 Included only when the Q8BAT-SET is purchased.
• For the battery life, refer to Page 603, Appendix 4.2.
• For the battery directive in EU member states, refer to Page 678, Appendix 12.
Note 12.1
The Basic model QCPU does not support the use of the Q7BAT and Q8BAT.
Item
Type
Q6BAT Q7BAT(-SET) Q8BAT(-SET)
Classification Manganese dioxide lithium primary battery
Manganese dioxide lithium primary battery
(assembled battery)
Initial voltage 3.0V
Nominal current 1800mAh 5000mAh 18000mAh (1800mAh × 10 pieces)
Battery life when stored Actually 5 years (room temperature)
Battery life when used
Page 603, Appendix 4.2
Lithium content 0.52g 1.55g 5.2g
Application
For data retention of the program memory, standard RAM, and latch device during the power
failure
Accessory ----
Battery holder
*1
Q8BAT connection cable
*2
Basic