Address Assignment and Installation 
  3.3 Installing 
ET 200S Distributed I/O System - Fail-Safe Modules 
Installation and Operating Manual, 08/2008, A5E00103686-07 
31 
3.3  Installing 
Installing the fail-safe modules 
The fail-safe power modules, electronic modules, and terminal modules are part of the ET 
200S range of modules. They are installed using the same procedure as for all standard 
modules in an ET 200S. 
Detailed information about module installation is available in the 
ET 200S Distributed I/O 
System
 Operating Instructions. 
Installation dimensions 
Note that fail-safe modules are 30 mm wide (twice the width of standard ET 200S modules). 
Otherwise, the information provided in the 
ET 200S Distributed I/O System 
Operating 
Instructions applies.