SIMATIC Box PC 620 Expansions
Figure 5-6 Position of the Backup Battery
Risk of damage!
Only replace the lithium battery with an identical battery or with a type
recommended by the manufacturer (Order No.: W79084-E1003-B1).
Dispose of used batteries in keeping with local regulations.
If you change the battery or unplug the battery connector you must run the SETUP
program to reset your programming device's configuration data (see Chapter 6).
Backup battery removed
SIMATIC Box PC 620 Manual