Programmable logic controllers : an introduction

Title:

Personal Author:

Bolton, William Charles

Edition:

3rd ed.

Publication Information:

Burlington, MA : Newnes, 2003

ISBN:

9780750659864

Subject Term:

Programmable controllers

Logic circuits

Programmable logic devices

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000004721126	TJ223.P76 B65 2003	Open Access Book	Book	Searching... Unknown

This is an introduction to programmable logic controllers (PLCs) which keeps the maths to a minimum, avoids detailed programming instructions and presents the subject in a way that is not device specific, increasing its applicability to courses in electronics and control systems.

Preface	p. vii
1 Programmable logic controllers
1.1 Controllers	p. 1
1.2 Hardware	p. 3
1.3 Internal architecture	p. 5
1.4 Commercial PLCs	p. 10
Problems	p. 12
2 Input-output devices
2.1 Input devices	p. 14
2.2 Output devices	p. 23
2.3 Examples of applications	p. 30
Problems	p. 32
3 Input/output processing
3.1 Input/output units	p. 35
3.2 Signal conditioning	p. 40
3.3 Remote input/output connections	p. 42
3.4 Networks	p. 48
3.5 Processing inputs	p. 53
3.6 Input and output addresses	p. 54
Problems	p. 56
4 Programming
4.1 Ladder diagrams	p. 59
4.2 Logic functions	p. 62
4.3 Latching	p. 68
4.4 Multiple outputs	p. 69
4.5 Entering ladder programs	p. 69
4.6 Instruction lists	p. 71
4.7 Boolean algebra	p. 76
4.8 Function block diagrams	p. 79
4.9 Sequential function charts	p. 80
4.10 IEC standards	p. 83
4.11 Programming examples	p. 84
Problems	p. 87
5 Internal relays
5.1 Internal relays	p. 98
5.2 Internal relays in programs	p. 99
5.3 Battery-backed relays	p. 102
5.4 One-shot operation	p. 103
5.5 Set and reset	p. 104
5.6 Master control relay	p. 105
5.7 Jump	p. 108
5.8 Examples of programs	p. 109
Problems	p. 111
6 Timers
6.1 Types of timers	p. 118
6.2 Programming timers	p. 119
6.3 Off-delay timer	p. 123
6.4 One-shot timers	p. 125
6.5 Programming examples	p. 126
Problems	p. 127
7 Counters
7.1 Forms of counter	p. 134
7.2 Programming	p. 135
7.3 Up and down counting	p. 139
7.4 Sequencers	p. 140
Problems	p. 144
8 Shift registers
8.1 Shift registers	p. 150
8.2 Ladder programs	p. 151
Problems	p. 154
9 Data handling
9.1 Registers and bits	p. 157
9.2 Data handling	p. 158
9.3 Arithmetic instructions	p. 161
9.4 Continuous control	p. 162
Problems	p. 164
10 Designing programs
10.1 Program development	p. 166
10.2 Temperature control	p. 168
10.3 Valve sequencing	p. 171
10.4 Car park barriers	p. 176
10.5 Production line control	p. 179
10.6 Fail-safe systems	p. 179
Problems	p. 183
11 Testing and debugging
11.1 Commissioning and testing	p. 187
11.2 Fault finding	p. 190
11.3 System documentation	p. 195
Problems	p. 195
Appendix A Number systems	p. 198
Problems	p. 205
Appendix B Logic gates	p. 207
Appendix C An example of an industrial program	p. 211
Answers	p. 232
Index	p. 237

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Table of Contents