ET 200S Distributed I/O System - Fail-Safe Modules 
Installation and Operating Manual, 08/2008, A5E00103686-07 
49 
General Technical Specifications 
6
6.1  Introduction 
This chapter 
This chapter provides information about fail-safe modules:  
●  The most important standards and approvals 
●  General technical specifications 
General Technical Specifications 
The General Technical Specifications comprise the standards and test values with which the 
fail-safe modules must comply when installed in an ET 200S and the test criteria for fail-safe 
modules on the one hand, and requirements of fail-safe modules in terms of shipping, 
storage and environmental conditions.  
6.2  Standards and Approvals 
CE approval 
 
The ET 200S fail-safe modules meet the requirements and protection targets of the following 
EC Directives and comply with the harmonized European standards that have been issued 
for PLCs in the official gazettes of the European Community: 
●  2006/108/EC "Electrical equipment for use within specific voltage limits" (Low-voltage 
directive) 
●  2004/108/EC "Electromagnetic Compatibility" (EMC Directive) 
●  94/9/EC "Equipment and Protective Systems Intended for Use in Potentially Explosive 
Atmospheres" (Explosion Protection Guideline) 
The EC declarations of conformity are kept available for the relevant authorities at: 
Siemens Aktiengesellschaft 
Industry Sector 
IA AS RD ST 
P.O. Box 1963 
D-92209 Amberg