Mitsubishi Electric Q06UDVCPU - Page 260

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(4) Replacement procedure of the Q8BAT battery
*1 Remove the battery connector with holding the connector part so that the battery cable may not be damaged.
Backup time
3 minutes
Replacing battery
Q8BAT to be replaced by Q8BAT.
Q6BAT/Q7BAT to
be replaced by
Q8BAT.
Remove the Q8BAT from the control
panel.
Remove the CPU module from the
base unit.
Remove the cover/battery holder at
the bottom of the CPU module.
Disconnect the battery connector, and
pull out the Q6BAT/Q7BAT.
*
1
Connect the Q8BAT connection cable
to the connector of the CPU module.
(To next page)
1)
2)
Backup the program and the data.
Connector
of battery
Connector
of CPU module
Q6BAT
CPU module
Connector
of cable
Connector
of CPU module
CPU module
Q8BAT
connection
cable
Q8BAT
connection
cover
Install the new Q8BAT to the control
panel.
*2
(Fixing with a mounting
screw or fixing with the DIN rail is
Connect the Q8BAT connection
cable to the new Q8BAT.
Remove the Q8BAT connection
cable from the Q8BAT.
Confirm
the type of the old
battery.
Turn off the programmable controller
power supply.