Replacing The Backup Battery - Siemens SIMATIC Rack PC 547B Operating Instructions Manual

11.1.4

Replacing the backup battery

Note before you replace the battery
Note
Batteries are wearing parts. Backup batteries should be replaced at intervals of 5 years in
order to maintain PC functionality.
CAUTION
Risk of damage!
The lithium battery may only be replaced with an identical battery or with a type
recommended by the manufacturer. Information about original spare parts for SIMATIC
PCs is available at http://www.siemens.com/asis
Disposal
CAUTION
Depleted batteries must be disposed of in accordance with local regulations.
Preparation
Note
The configuration data of the device are deleted when the battery is replaced. Note the
current BIOS Setup settings. You can conveniently back up the BIOS settings by means of
the SIMATIC PC BIOS manager.
Replacing the battery
The location of the backup battery on the motherboard and the procedure for replacing it is
described in technical manual, D2156-S21, on the supplied "Documentation and Drivers"
CD.
Reconfiguring the BIOS setup
When a battery is exchanged, the configuration data of the device are lost and must be
reentered in the BIOS setup.
SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
11.1 Removing and installing hardware components
Maintenance and service
69