Battery - Mitsubishi Electric MELSEC Q Series User Manual

7.3.3

Battery

The batteries available for the C Controller module are listed below.
(1) Specifications
Item
Type
Initial voltage
Nominal current
capacity
Battery life when stored
Battery life when used
Lithium content
Application
Accessories
*1 : The lithium content of batteries manufactured in July 2017 or earlier differs from this list.
For details, refer to the following.
• Changes in battery parts (FA-A-0242)
*2 : Supplied only with Q7BAT-SET.
(2) Precautions
During use, observe the following precautions. Improper use of batteries may corrupt the battery backup RAM
data and clock data.
• Use the C Controller module with a battery installed.
• For operations without any battery, use the battery less drive function.
• If any battery error has occurred, replace the battery.
• Follow the procedures in this document for installation and replacement of batteries.
Remark
● For battery installation procedures, refer to Page 119, Section 8.3.
● For battery replacement procedures, refer to Page 136, Section 9.3.
● For details of battery less drive, refer to Page 190, Section 11.11.
● For battery lifetime, refer to Page 487, Appendix 8.
● For battery regulations applicable in EU countries and precautions for battery transportation, refer to the following.
QCPU User's Manual (Hardware Design, Maintenance and Inspection)
90
Model
Q6BAT
Manganese dioxide lithium primary battery
3.0V
1800mAh
Actual 5 years (room temperature)
Page 487, Appendix 8
*1
0.57g
Backup of the battery backup RAM data, Backup of clock data
–
Q7BAT
5000mAh
1.55g
*2
Battery holder