Mitsubishi Electric Melsec-Q172DCPU User Manual page 200

6 INSPECTION AND MAINTENANCE
Replacing Battery
Turn on the Multiple CPU system
power supply for 10 minutes or longer.
Turn off the Multiple CPU system
power supply.
Remove the internal I/F connector
cable from Motion CPU.
Open the battery cover.
Disconnect the lead connector from
the battery connector. Remove the
old battery from its holder.
Install a new battery to the battery
holder correctly after confirming "+"
side and "-" side for the battery.
Connect the lead connector to the
battery connector.
Close the battery cover.
Connect the internal I/F connector
cable to the Motion CPU.
Turn on the Multiple CPU system
power supply.
END
(a) Q173DSCPU/Q172DSCPU battery replacement procedure
Internal I/F connector cable
"+" side
Battery (Q6BAT)
L IT H I
Battery cover
6 - 11
Battery connector
Battery holder
Battery lead
connector for
Q6BAT
Lead wire
Battery (Q6BAT)
Front face of Motion CPU