Preface
S7-1200 Functional Safety Manual
4 Manual, 02/2015, A5E03470344-AA
For a complete list of the S7-1200 products described in this manual, refer to the technical
specifications article numbers for fail-safe CPUs (Page 193) and fail-safe SMs (Page 193).
The "SIMATIC, Industrial Software, SIMATIC Safety - Configuring and Programming,
Programming and Operating Manual" in the current version is the authoritative source for
Functional Safety-related information concerning configuring and programming.
Siemens identifies the "SIMATIC, Industrial Software, SIMATIC Safety - Configuring and
Programming, Programming and Operating Manual"
(http://support.automation.siemens.com/WW/view/en/54110126/0/en) as the authoritative
and/or original source in the case of discrepancies between the manuals.
All warnings in the "SIMATIC, Industrial Software, SIMATIC Safety - Configuring and
Programming, Programming and Operating Manual" have to be observed.
Certification, CE label, C-Tick, and other standards
Refer to the technical specifications (Page 144) for more information.
The definitions in the glossary are provided to give the reader an easy first reference for
understanding the terms as used in this manual. Some terms have detailed formal definitions
in IEC 61508, ISO EN 13849, IEC 61784-3-3, and associated standards, and must be
understood in terms of broad safety concepts detailed in these standards.
Another reference for more exact definitions is the "SIMATIC, Industrial Software, SIMATIC
Safety - Configuring and Programming, Programming and Operating Manual"
(http://support.automation.siemens.com/WW/view/en/54110126/0/en).
In addition to our documentation, we offer our technical expertise on the Internet on the
customer support web site (http://www.siemens.com/automation/).
Contact your Siemens distributor or sales office for assistance in answering any technical
questions, for training, or for ordering S7 products. Because your sales representatives are
technically trained and have specific knowledge about your operations, processes, and
industry, as well as the individual Siemens products that you are using, they can provide the
fastest and most efficient answers to any problems you might encounter.
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