Digital Modules; Introduction - Siemens S7-300 Installation And Operating Manual

Digital modules

8.1

Introduction

Chapter contents
Description of the four fail-safe digital modules of the S7-300 module range which are are
available for connecting digital sensors and/or actuators.
Information on fail-safe digital modules provided in this chapter:
● Properties
● Module view and block diagram
● Applications, including the wiring diagrams and parameter settings
● Diagnostics messages and troubleshooting routines
● Technical data
Fail-safe signal modules
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