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Siemens  PXC....D PXC...-E.D + PXA40-… – Automation stations modular series  CM1N9222en_03 
Building Technologies    16 Mar 2010 
Mechanical design 
The compact construction enables the automation stations to be mounted on a 
standard mounting rail. 
 
 
 
PXC....D 
1
3
2
4
55
5
7
6
5
5
8
88
9222z01
 
 
PXA40-... 
 
3b
9222z16
 
 
 
1 
Plastic housing 
2 
Cover to interface for extension module 
3a 
3b 
Front cover  
PXM40-... option module  
4 
Plug-in terminal block with screw terminals (operating voltage) 
5 
Interface for network, operator units, tool, etc. 
6 
LED display for devices and system status 
7 
Island bus connector (not on PXC00…) 
8 
Slider for mounting on DIN rail