Siemens S7-300 - Electromagnetic Compatibility

General technical data
7.3 Electromagnetic Compatibility
Fail-safe signal modules
62 Installation and Operating Manual, 01/2010, A5E00085586-10
TÜV certificate and standards
The fail-safe signal modules are certified to standards and guidelines for functional safety;
for information, refer to the relevant safety certificate (TÜV certificate) report and
corresponding annex. The latest TÜV documents are available in the Internet
(http://support.automation.siemens.
com/WW/view/en/11669702/134200
).
Requesting a TÜV certificate
You can request copies of the TÜV certificate and of the included report at the following
address:
Siemens Aktiengesellschaft
Sector Industry
I IA AS R&D DH A
P.O. Box 1963
D-92209 Amberg
Type Examination Certificates and Declarations of Conformity
The type examination certificates and the declaration of conformity of the SM 326; DI 8 x
NAMUR for the connection of signals in potentially explosive atmospheres (Ex area) are
available in the Internet
(http://support.automation.siemens.
com/WW/view/en/25536344/134200
).
7.3 Electromagnetic Compatibility
Introduction
This chapter contains information on interference immunity of the fail-safe signal modules
and on RF interference suppression.
The fail-safe signal modules meet requirements of EMC legislation for the internal European
market.
Definition of "EMC"
EMC expresses the ability of an electrical device to function in its electromagnetic
environment in a satisfactory manner without affecting this environment.