Pneumática

Table of Contents

Introduction ............................................................................. 2 PLCs ........................................................................................ 4 Number Systems ..................................................................... 8 Terminology ........................................................................... 14 Basic Requirements .............................................................. 23 S7-200 Micro PLCs ................................................................ 29 Connecting External Devices ................................................. 40 Programming A PLC .............................................................. 42 Discrete Inputs/Outputs ........................................................ 50 Analog Inputs and Outputs .................................................... 62 Timers ................................................................................... 65 Counters ................................................................................ 72 High-Speed Instructions ........................................................ 77 Review Answers .................................................................... 81 Final Exam ............................................................................. 82

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Introduction

Welcome to another course in the STEP 2000 series, Siemens Technical Education Program, designed to prepare our distributors to sell Siemens Energy & Automation products more effectively. This course covers Basics of PLCs and related products. Upon completion of Basics of PLCs you should be able to:

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Identify the major components of a PLC and describe their functions Convert numbers from decimal to binary, BCD, and hexadecimal Identify typical discrete and analog inputs and outputs Read a basic ladder logic diagram and statement list Identify operational differences between different S7-200 models