Expanding the device and assigning device parameters   
6.1 Opening the Device 
  SIMATIC IPC677E 
72  Operating Instructions, 04/2019, A5E45117996-AA 
Requirement 
●  All connecting cables are unplugged 
●  Screwdriver T10 
Limitation of liability 
All technical data and approvals apply only to expansion units which are released by 
SIEMENS.  
Siemens disclaims any liability for impairment of functions caused by the use of third-party 
devices or components.  
Observe the installation instructions for the components. UL approval of the device only 
applies when the UL-approved components are used according to their "Conditions of 
Acceptability". 
Procedure 
 
  Remove the four marked 
screws in the cover. 
  Remove the cover by lifting it 
up.