User`s manual

Maintenance and inspection Battery life and replacement procedure
10 – 18
Replacement procedure of the Q7BAT battery or replacement of a Q6BAT by Q7BAT
 Turn off the programmable controller power supply.
 Remove the CPU module from the base unit.
 If the battery Q6BAT is used, open the battery case of the CPU. When a battery Q7BAT is
installed, remove the battery holder at the bottom of the CPU module.
 Disconnect the battery connector.
 If the Q6BAT should be replaced by Q7BAT, remove the battery Q6BAT and the cover of the
battery case.
When a Q7BAT is to be replaced by a Q7BAT, disengage the catch on one side of the battery
holder to disassemble the holder into two, and remove the old battery. Insert the new Q7BAT
into the holder in the correct direction, and reassemble the battery holder so that the battery
cable comes out of the hole in the holder connection.
 Connect the Q7BAT to the battery connector of the CPU module, and set it into the connector
holder of the battery holder.
 Set the battery holder to the CPU module.
Fig. 10-5: Location of battery Q7BAT at the bottom of the CPU module
NOTE Battery Q7BAT is not available in EU countries.
Fig. 10-4:
Disengage the catch on one side of the
battery holder to disassemble the holder into
two.
QH00101c_UK
QH00100C
Q7BAT
Battery
holder
Battery holder
QCPU
Connector
Battery
holder with
Q7BAT
CPU module bottom
CPU module front