Preface - Siemens SIMATIC S7 Functional Safety Manual

Preface

Purpose of the manual
The S7-1200 series is a line of programmable logic controllers (PLCs) that can control a
variety of automation applications. Compact design, low cost, and a powerful instruction set
make the S7-1200 a perfect solution for controlling a wide variety of applications. The
S7-1200 models and Windows-based programming tools give you the flexibility you need to
solve your automation problems.
This manual provides information about using, installing, and programming the S7-1200
Fail-Safe PLCs and is designed for engineers, programmers, installers, and electricians who
have a general knowledge of programmable logic controllers.
Required basic knowledge
To understand this manual, it is necessary to have a general knowledge of automation and
programmable logic controllers.
Scope of the manual
This manual describes or references the following products:
● STEP 7 Basic V13 SP1 or later with:
– STEP 7 Safety Basic V13 SP1 or later
– STEP 7 Safety Advanced V13 SP1 or later
● STEP 7 Professional V13 SP1 or later with:
– STEP 7 Safety Advanced V13 SP1 or later
● S7-1200 fail-safe CPU firmware release V4.1 or later
● S7-1200 fail-safe signal modules (SM) firmware release V2.0 or later
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
3