ET 200S Distributed I/O System - Fail-Safe Modules 
Installation and Operating Manual, 08/2008, A5E00103686-07 
3 
Preface 
Purpose of this Manual 
The information in this manual is a reference source for operations, function descriptions, 
and technical specifications of the fail-safe modules of the ET 200S distributed I/O system. 
Basic Knowledge Requirements 
This manual is a supplement to the 
ET 200S Distributed I/O System
 manual. Working with 
this manual requires general knowledge of automation engineering. You also require 
experience of using the 
STEP 7
 basic software and the ET 200S distributed I/O system. 
Scope of this Manual 
 
Module  Order Number  Release Number 
and Higher 
Power module PM-E F pm DC24V PROFIsafe  6ES7138-4CF03-0AB0  01 
Power module PM-E F pp DC24V PROFIsafe  6ES7138-4CF42-0AB0  01 
Power module PM-D F DC24V PROFIsafe  3RK1903-3BA02  01 
Digital electronic module 4/8 F-DI DC24V 
PROFIsafe 
6ES7138-4FA04-0AB0  01 
Digital electronic module 4 F-DI/3 F-DO DC24V 
PROFIsafe 
6ES7138-4FC01-0AB0  01 
Digital electronic module 4 F-DO DC24V/2A 
PROFIsafe 
6ES7138-4FB03-0AB0  01 
Digital electronic module 
1 F-RO DC24V/AC24..230V/5A 
6ES7138-4FR00-0AA0  01 
What's New 
Compared with the previous version, this manual includes the following major 
changes/additions:  
●  Simplified configuration rules 
●  Revised behavior of the electronic outputs in the event of a short-circuit 
●  Revised behavior in the event of a voltage dip