Maintaining and repairing the device   
7.4 Installing and removing hardware 
  SIMATIC IPC277G 
62  Operating Instructions, 08/2021, A5E50059956-AA 
Procedure  
 
7" and 10" multi-touch devices 
12", 15", 19", 22" and 24" multi-touch devices 
 
 
Unscrew the marked four screws with a T10 
screwdriver on the back side of the device and 
Unscrew the marked five screws with a T10 screwdriver on the 
back side of the device and remove the cover. 
 
 
Slide the battery out 45 degrees from the upper left, pull the battery out gently and insert a new battery. 
Note: The positive electrode (+) of the battery should be positioned toward the outside of the device. 
7.4.2  Replacing the memory module 
Single channel memory 
The motherboard provides one DDR4 memory sockets. The memory capacity of the device 
can be upgraded to a maximum of 16 GB.  
The table below shows the supported memory types of motherboard. 
 
DDR4 up to 3200MT/S SODIMM 260pin 
DDR4 up to 3200MT/S SODIMM 260pin 
DDR4 up to 3200MT/S SODIMM 260pin 
Requirement 
•  The device is disconnected from the power supply. 
•  All connecting cables on the device are unplugged.