Programmable Logic Controllers / Edition 5

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A programmable logic controllers (PLC) is a real-time system optimized for use in severe conditions such as high/low temperatures or an environment with excessive electrical noise. This control technology is designed to have multiple interfaces (I/Os) to connect and control multiple mechatronic devices such as sensors and actuators.

Programmable Logic Controllers, Fifth Edition, continues to be a straight forward, easy-to-read book that presents the principles of PLCs while not tying itself to one vendor or another. Extensive examples and chapter ending problems utilize several popular PLCs currently on the market highlighting understanding of fundamentals that can be used no matter the specific technology. Ladder programming is highlighted throughout with detailed coverage of design characteristics, development of functional blocks, instruction lists, and structured text. Methods for fault diagnosis, testing and debugging are also discussed. This edition has been enhanced with new material on I/Os, logic, and protocols and networking.

For the UK audience only: This book is fully aligned with BTEC Higher National requirements.

• New material on combinational logic, sequential logic, I/Os, and protocols and networking
• More worked examples throughout with more chapter-ending problems
• As always, the book is vendor agnostic allowing for general concepts and fundamentals to be taught and applied to several controllers

Audience: First year undergraduate degree students, and similar level qualifications (HNC / HND and BTEC Nationals). Secondary: apprentice trainees in industry; manufacturing engineers and technicians wishing to update their knowledge of PLC technology.

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Editorial Reviews

This revision of the 1996 edition, suitable for a first university course, is in line with new specifications for programmable logic controllers. Includes expanded sections on PLC's internal architecture, input-output devices/processing, networks, and sequencers and continuous control. Appends information on number systems (decimal, binary, hexadecimal) and answers to chapter problems. Lacks references and identification of the author's affiliation. Annotation c. Book News, Inc., Portland, OR (
From the Publisher
“If you’re looking for a good introduction to PLCs or you haven’t worked with them for a while and need to brush up, then this is the book for you.”
— Melanie Martella,, December 2006
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Product Details

  • ISBN-13: 9781856177511
  • Publisher: Elsevier Science
  • Publication date: 8/7/2009
  • Edition number: 5
  • Pages: 416
  • Sales rank: 1,449,169
  • Product dimensions: 7.50 (w) x 9.10 (h) x 1.00 (d)

Meet the Author

Former Lecturer at Buckingham Chilterns University College, High Wycombe, UK, and now retired, William Bolton has worked in industry and academia as a senior lecturer in a college of technology, a member of the Nuffield Advanced Physics team, an adviser to a British government aid project in Brazil on technical education, as a UNESCO consultant in Argentina and Thailand, and as Head of Research and Development at the Business and Technician Education Council. He has written many engineering textbooks, including Mechatronics, 4th ed., Engineering Science, 5th ed., Higher Engineering Science, 2nd ed., Mechanical Science, 3rd ed., and Instrumentation and Control Systems.

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Read an Excerpt

A concise, thoroughly practical and accessible introduction to Programmable Logic Controllers.
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Table of Contents

Chapter 1: Programmable Logic Controllers
Chapter 2: Input-Output Devices
Chapter 3: Number Systems
Chapter 4: I/O Processing
Chapter 5: Ladder and Functional Block Programming
Chapter 6: IL, SFC and ST Programming Methods
Chapter 7: Internal Relays
Chapter 8: Jump and Call
Chapter 9: Timers
Chapter 10: Counters
Chapter 11: Shift Registers
Chapter 12: Data Handling
Chapter 13: Designing Systems
Chapter 14: Programs
Appendix A: Symbols
Appendix B: Answers to Problems

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