Table of Contents
Advertisement
11.1.5
Replacing the backup battery
Items to observe for replacement
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 (Order No.: A5E00047601). Information about original
spare parts for SIMATIC PCs is available on the Internet at http://www.siemens.com/asis
Disposal
CAUTION
Used batteries must be disposed of in accordance with local regulations.
Preparation
Note
The configuration data of the device may be deleted when you replace the backup battery,
depending on BIOS settings.
The configuration data are retained in the BIOS "Profile: User" setting; only the date and time
must be set again.
A table in which you can log your settings is available in the BIOS Setup section.
1. Isolate the device from mains and disconnect all connecting cables.
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
11.1 Removing and installing hardware components
Maintenance and service
81
Advertisement
Table of Contents
