Operating instructions

Maintenance and service
12.4 Removing and installing hardware components
SIMATIC Panel PC 677B
122 Operating Instructions, 05/2007, A5E01035609-01
How to install the Compact Flash card in the Compact Flash adapter
5 Close the Compact Flash latch.
6 Mount the hard disk cover.
12.4.8 Replacing the Backup Battery
Note
Batteries are wearing parts and should be replaced every five years in order to ensure
proper functioning of the PC.
To be noted before you replace the battery
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.: A5E00331143).