Preface 
 
ET 200S Distributed I/O System - Fail-Safe Modules 
Installation and Operating Manual, 08/2008, A5E00103686-07 
7 
Service & Support on the Internet 
In addition to the information in our documentation, you can also access our knowledge base 
online at Internet (
http://www.siemens.com/automation/service&support).  
Here you will find the following information: 
●  Newsletter providing the latest information on your products 
●  Exactly the right documentation for your needs, which you can access by performing an 
online search in Service & Support 
●  Worldwide forum in which users and experts exchange ideas 
●  Your local contact for Automation & Drives 
●  Information about local service, repairs and replacement parts. Even more information 
can be found under "Services". 
Important Note for Maintaining Operational Safety of Your System 
 
 
Note 
The operators of systems with safety-related characteristics must adhere to operational 
safety requirements. The supplier is also obliged to comply with special product monitoring 
measures. To keep you informed, a special newsletter is therefore available containing 
information on product developments and properties that are important (or potentially 
important) for operating systems where safety is an issue. By subscribing to the appropriate 
newsletter, you will ensure that you are always up-to-date and able to make changes to your 
system, when necessary. Point your browser to Internet 
(
https://www.automation.siemens.com/WW/newsletter/guiThemes.aspx?parlasw=1) and 
register for the following newsletters: 
•  SIMATIC S7-300 
•  SIMATIC S7-400 
•  Distributed I/O 
•  SIMATIC Industrial Software 
Select the "Updates" check box for this newsletter. 
 
See also 
Standards and Approvals (Page 49)