SIMATIC IPC677E 
Operating Instructions, 04/2019, A5E45117996-AA 
71 
  Expanding the device and assigning device 
parameters 
6.1  Opening the Device 
 
 
Risk due to unauthorized opening and improper repairs or expansions 
Improper procedure when carrying out expansions may result in substantial damage to 
equipment or endanger the user.  
If you install or exchange system expansions and damage your device, the warranty 
becomes void.  
•  For this reason, please observe the information in "Notes on device and system 
extensions (Page 31)". 
 
Malfunctions and electric shock  
Improper intervention in the device endangers operational reliability and may damage the 
device.  
The results can be personal injuries and damage to the plant. 
Take the following precautions:  
•  Always disconnect the power plug before you open the device. 
•  Close the device after every intervention. 
 
Electrostatic-sensitive components 
The device contains electronic components which may be destroyed by electrostatic 
charge. 
Take suitable precautionary measures when you open the device.