Table of Contents

Cover image

Title page

Copyright

Preface

Prerequisite Knowledge Assumed

Changes from the Fifth Edition

Structure of the Book

Acknowledgments

Chapter 1: Programmable Logic Controllers

Abstract

1.1 Controllers

1.2 Hardware

1.3 PLC Architecture

1.4 PLC Systems

1.5 Programs

Summary

Problems

Lookup Tasks

Chapter 2: Input/Output Devices

Abstract

2.1 Input Devices

2.2 Output Devices

2.3 Examples of Applications

Summary

Problems

Lookup Tasks

Chapter 3: Digital Systems

Abstract

3.1 The Binary System

3.2 Octal and Hexadecimal

3.3 Binary Coded Decimals

3.4 Numbers in the Binary, Octal, Hex, and BCD Systems

3.5 Binary Arithmetic

3.6 PLC Data

3.7 Combinational Logic Systems

3.8 Sequential Logic Systems

Summary

Problems

Lookup Tasks

Chapter 4: I/O Processing

Abstract

4.1 Input/Output Units

4.2 Signal Conditioning

4.3 Remote Connections

4.4 Networks

4.5 Examples of Commercial Systems

4.6 Processing Inputs

4.7 I/O Addresses

Summary

Problems

Lookup Tasks

Chapter 5: Ladder and Functional Block Programming

Abstract

5.1 Ladder Diagrams

5.2 Logic Functions

5.3 Latching

5.4 Multiple Outputs

5.5 Entering Programs

5.6 Function Blocks

5.7 Program Examples

Summary

Problems

Lookup Tasks

Chapter 6: IL, SFC, and ST Programming Methods

Abstract

6.1 Instruction Lists

6.2 Sequential Function Charts

6.3 Structured Text

Summary

Problems

Chapter 7: Internal Relays

Abstract

7.1 Internal Relays

7.2 Ladder Programs

7.3 Battery-Backed Relays

7.4 One-Shot Operation

7.5 Set and Reset

7.6 Master Control Relay

Summary

Problems

Chapter 8: Jump and Call

Abstract

8.1 Jump

8.2 Subroutines

Summary

Problems

Lookup Tasks

Chapter 9: Timers

Abstract

9.1 Types of Timers

9.2 On-Delay Timers

9.3 Off-Delay Timers

9.4 Pulse Timers

9.5 Retentive Timers

9.6 Programming Examples

Summary

Problems

Lookup Tasks

Chapter 10: Counters

Abstract

10.1 Forms of Counter

10.2 Programming

10.3 Up- and Down-Counting

10.4 Timers with Counters

10.5 Sequencer

Summary

Problems

Lookup Tasks

Chapter 11: Shift Registers

Abstract

11.1 Shift Registers

11.2 Ladder Programs

Summary

Problems

Lookup Tasks

Chapter 12: Data Handling

Abstract

12.1 Registers and Bits

12.2 Data Handling

12.3 Arithmetic Functions

12.4 Closed Loop Control

Summary

Problems

Lookup Tasks

Chapter 13: Designing Systems

Abstract

13.1 Program Development

13.2 Safe Systems

13.3 Commissioning

13.4 Fault Finding

13.5 System Documentation

Summary

Problems

Lookup Tasks

Chapter 14: Programs

Abstract

14.1 Temperature Control

14.2 Valve Sequencing

14.3 Conveyor Belt Control

14.4 Control of a Process

14.5 A Selection Example: A Drinks Machine

14.6 A Data Comparison Example: A Fan Heater

Problems

Lookup Tasks

Appendix: Symbols

Ladder Programs

Function Blocks

Logic Gates

Sequential Function Charts

Instruction List (IEC 61131-3 Symbols)

Structured Text

Answers

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Index

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