Product Overview; Introduction; Et 200S Fail-Safe Modules - Siemens SIMATIC ET 200S Installation And Operating Manual

Distributed i/o system - fail-safe modules
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Product Overview

1.1

Introduction

1.1
Overview
This chapter provides information about the following topics:
• ET 200S distributed I/O system with fail-safe modules and its place in SIMATIC S7
• Components comprising the ET 200S distributed I/O system with fail-safe modules
• The steps you must perform, ranging from selection of the F-modules to commissioning
1.2

ET 200S fail-safe modules

1.2
Fail-safe automation system
Fail-safe automation systems (F-systems) are used in systems with higher-level safety
requirements. F-systems are used to control systems having a safe state immediately after
shutdown. That is, F-systems control processes in which an immediate shutdown does not
endanger humans or the environment.
ET 200S distributed I/O system
The ET 200S distributed I/O system is a DP slave/IO device on PROFIBUS DP/PROFINET
IO that can contain fail-safe modules in addition to ET 200S standard modules.
You can use copper cable or fiber-optic cable to assemble the PROFIBUS DP/PROFINET
IO lines.
ET 200S Distributed I/O System - Fail-Safe Modules
Hardware Installation and Operating Manual, 07/2005, A5E00103686-04
fail-safe automation systems
of ET 200S on PROFIBUS DP/PROFINET IO
1
1-1

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