Siemens SIMATIC ET 200AL System Manual page 1552

Preface
Changes compared to previous version
Changes / enhancements described in this manual, compared to the previous version
(version 01/2013):
● Extension of the scope of validity to the distributed I/O system ET 200AL
● Supplement to the section Connection of the cable shielding for ET 200AL
● Components for lightning protection potential equalization amended
Additional support
Additional information on SIMATIC products is available on the Internet. The associated
documentation is also available on the Internet.
● The range of technical documentation for the individual SIMATIC products and
automation systems can be found on the Internet
doku-portal).
● The online catalog and the ordering system are available on the Internet
(http://mall.automation.siemens.com).
Security information
Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, solutions, machines, equipment and/or networks. They are
important components in a holistic industrial security concept. With this in mind, Siemens'
products and solutions undergo continuous development. Siemens recommends strongly
that you regularly check for product updates.
For the secure operation of Siemens products and solutions, it is necessary to take suitable
preventive action (e.g. cell protection concept) and integrate each component into a holistic,
state-of-the-art industrial security concept. Third-party products that may be in use should
also be considered. You can find more information about industrial security on the Internet
(http://www.siemens.com/industrialsecurity).
To stay informed about product updates as they occur, sign up for a product-specific
newsletter. You can find more information on the Internet
(http://support.automation.siemens.com).
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(http://www.siemens.com/simatic-tech-
Designing interference-free controllers
Function Manual, 06/2014, A5E03461486-AB