Siemens SIMATIC IPC477E Operating Instructions Manual page 80

Expanding the device and assigning device parameters
6.1 Opening the device
Procedure
1. Remove the screws marked in red.
Device with 15", 19" or 22" display
2. Loosen the screws marked in green.
Position and number of the fastening screws are the same for the devices with 15", 19"
and 22" display.
3. Remove the rear panel of the device.
80
Operating Instructions, 12/2016, A5E37455003-AB
SIMATIC IPC477E