Battery (Q6Bat, Q7Bat, Q8Bat) - Mitsubishi Melsec-Q Series User Manual

7.2 Battery (Q6BAT, Q7BAT, Q8BAT)

Batteries (Q6BAT, Q7BAT and Q8BAT) are installed in the CPU module to retain data of the program memory,
standard RAM, and latch device in case of power failure.
7.2.1 Battery specifications
This section describes the specifications of the battery used for the CPU
Item
Classification
Initial voltage
Nominal current
Battery life when stored
Battery life when used
Lithium content
Application
Accessory
*1: Included only when the Q7BAT-SET is purchased.
*2: Included only when the Q8BAT-SET is purchased.
Remark
• For the battery life, refer to Section 11.3.2.
• For the battery directive in EU member states, refer to Appendix 4.
Note1
Note7.2 Basic
The Q7BAT and Q8BAT is not applicable to the Basic model QCPU.
Table7.9 Battery specifications
Q6BAT
Q7BAT(-SET)
Manganese dioxide lithium primary battery
1800mAh 5000mAh
Actually 5 years (room temperature)
0.49g 1.52g
For data retention of the program memory, standard RAM, and latch device during the power
----
Battery holder
CHAPTER7 MEMORY CARD AND BATTERY
module.Note1
Type
Q8BAT(-SET)
Note7.2
Manganese dioxide lithium primary battery
(assembled battery)
3.0V
1800mAh (1800mAh
Section 11.3.2.
failure
*1
Q8BAT connection cable
Note7.2
10 pieces)
4.9g
*2
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