Maintenance and service   
11.1 Removing and installing hardware components 
  SIMATIC Box PC 627 
11-4  Operating Instructions, Release 05/2006, A5E00362052-03 
Steps for replacing the battery 
2  Remove the battery holder. 
 
 
3  Unplug the cable. 
 
 
4  Remove the old battery from the 
holder. 
 
5  Place a new battery in the holder and 
reconnect the battery plug. 
 
6  Close the battery compartment.   
Reconfiguring the BIOS setup 
When the battery is changed, the device's configuration data are deleted and you will need 
to reconfigure these in the BIOS setup.