SIMATIC IPC427C 
Operating Instructions, 04/2009, A5E02414743-01 
55 
Expansions and Configurations 
10
10.1  Open the device (front panel) 
 
CAUTION 
 
Work on the open device may only be carried out by authorized and qualified personnel. 
Within the warranty time, you are only allowed to install expansions for memory and 
expansion card modules. 
 
CAUTION 
 
The device contains electronic components which may be destroyed by electrostatic 
charge. 
You therefore need to take precautionary measures before you open the device. Refer to 
the ESD guidelines on handling electrostatically sensitive components under 
ESD 
Guidelines (Page 
147). 
 
Tools 
●  Cover and top cover plate: Torx T8 
●  Hard disk mounting: Torx T10 
●  Protective earth terminal: Torx T20 
●  Spacing bolts PC/104: Hexagon head 5mm 
Preparation 
Isolate the device from power supply.