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

Distributed i/o system - fail-safe modules
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Fail-Safe Modules

7.1

Introduction

7.1
Overview
Fail-safe power modules and fail-safe digital modules are available for connecting digital
sensors or encoders and actuators or loads to ET 200S. This chapter provides the following
information for each fail-safe module:
• Properties and special features
• Front view, terminal assignment for terminal modules, and block diagram
• Wiring diagram and programmable parameters
• Diagnostic functions, including corrective measures
• Technical specifications
Description of Usable Standard Power Modules and Terminal Modules
The applicable standard power modules and terminal modules are described in the
Distributed I/O System
ET 200S Distributed I/O System - Fail-Safe Modules
Hardware Installation and Operating Manual, 07/2005, A5E00103686-04
Warning
The safety characteristics in the Technical Specifications apply for a proof-test interval of
10 years and a repair time of 100 hours.
manual.
7
ET 200S
7-1

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