Siemens PANEL PC 877 User Manual

Page of 288
 
Maintenance and service 
 
12.4 Installing and removing hardware components 
SIMATIC Panel PC 877 
Operating instructions, Release 07/2006, A5E00877780-01 
12-13
 
12.4.4.2  Installing / removing expansion modules 
Preparation 
Disconnect the device from mains. 
Installing expansion modules 
 
How to install an expansion module (PCI / AT format): 
1  Open the device. 
2  Loosen the two fastening 
screws (1) and remove the 
module holding-down device 
(2).  
3  Remove the relevant steel slot 
cover (3). 
4  Insert the expansion module 
(4) into the relevant slot. 
5  Install the module holding-
down device and insert the 
slider.  
6  Secure the steel slot cover (3) 
of the expansion module.  
7  Close the device.