Preface   
 
  ET 200S Distributed I/O System - Fail-Safe Modules 
6  Installation and Operating Manual, 08/2008, A5E00103686-07 
Conventions 
In this manual, the terms "safety engineering" and "fail-safe engineering" are used 
synonymously. The same applies to the terms "fail-safe" and "F-." 
"
S7 Distributed Safety
" and "
S7 F Systems
" in italics refer to the optional packages for the 
two F-systems: "S7 Distributed Safety" and "S7 F/FH Systems". 
Recycling and Disposal 
Due to the low levels of pollutants in the fail-safe modules of the ET 200S, the modules can 
be recycled. For proper recycling and disposal of your old module (device), consult a 
certified disposal facility for electronic scrap. 
Additional Support 
If you have any further questions about the use of products described in this manual, and do 
not find the right answers there, contact your local Siemens representative 
(http://www.siemens.com/automation/partner
).  
Training center 
We offer courses to help you get started with the S7 automation system. Contact your 
regional training center or the central training center in Nuremberg (90327), Federal Republic 
of Germany.  
Telephone: +49 911 895-3200  
On the Internet (
http://www.sitrain.com) 
H/F Competence Center 
The H/F Competence Center in Nuremberg offers special workshops on SIMATIC S7 fail-
safe and redundant automation systems. The H/F Competence Center can also provide 
assistance with onsite configuration, commissioning and troubleshooting. 
Telephone: +49 911 895-4759 
Fax: +49 911 895-5193 
hf-cc.aud@siemens.com 
For questions about workshops / training: hf-training.industry@siemens.com 
Technical Support 
You can contact Technical Support for all IA products as follows: 
●  By completing a Support Request (http://www.siemens.de/automation/support-request
) 
on the Internet 
●  Telephone: +49 180 5050 222 
●  Fax: +49 180 5050 223 
For additional information about Siemens Technical Support, refer to Internet 
(http://www.siemens.de/automation/service
).