Mitsubishi Electric MELSEC Q Series User Manual page 44

10)
No. Name
10) Battery
11) Battery connector pin
12) RS-232 connector (CH3)
42
11)
[ Side ]
Q12DCCPU-V
Battery to retain the battery backup RAM and integral clock (RTC) data during power OFF.
For connection of the battery lead wires.
(Lead wires are disconnected from the connector when shipping to prevent the battery from
consuming.)
Connector used for connection with an RS-232 compatible device.
12)
[ Bottom ]
Description