Siemens SIMATIC IPC427E Operating Instructions Manual page 62

Expanding and assigning parameters to the device
6.1 Installing and removing the memory module
Procedure
Opening the device
1. Remove the marked screws.
2. Remove the two indicated central screws
and loosen the two outer screws slightly.
3. Remove the marked screws.
4. Lift off the front cover by about 2 to 3 cm.
5. Remove the backup battery from its
guide in the front panel.
Observe the information in section "Installing and removing the backup battery
(Page 76)".
6. Put down the front panel.
Closing the device
Proceed in reverse order.
62
Operating Instructions, 09/2017, A5E37454814-AB
SIMATIC IPC427E