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About Programmable Logic Controllers
Product Description This textbook, now in its sixth edition, continues to be straightforward and easy-to-read, presenting the principles of PLCs while not tying itself to one manufacturer or another. Extensive examples and chapter ending problems utilize several popular PLCs, highlighting understanding of fundamentals that can be used regardless of manufacturer. This book will help you to understand the main design characteristics, internal architecture, and operating principles of PLCs, as well as Identify safety issues and methods for fault diagnosis, testing, and debugging. New to This edition: A new chapter 1 with a comparison of relay-controlled systems, microprocessor-controlled systems, and the programmable logic controller, a discussion of PLC hardware and architecture, examples from various PLC manufacturers, and coverage of security, the IEC programming standard, programming devices and manufacturer’s software More detail of programming using Sequential Function Charts Extended coverage of the sequencer More Information on fault finding, including testing inputs and outputs with an illustration of how it is done with the PLC manufacturer’s software New case studies Review "... an excellent introductory text for students studying PLCs that is also a useful programming guide for engineers who need to program them...supported by numerous worked examples and a specific focus on the safety aspects necessary in PLC system design." -- Computing Reviews Review An introduction to Programmable Logic Controllers (PLC) that presents programming relevant to all PLCs From the Back Cover This textbook, now in its sixth edition, continues to be straightforward and easy-to-read, presenting the principles of PLCs while not tying itself to one manufacturer or another. Extensive examples and chapter ending problems utilize several popular PLCs, highlighting understanding of fundamentals that can be used regardless of manufacturer. This book will help you to understand the main design characteristics, internal architecture, and operating principles of PLCs, as well as Identify safety issues and methods for fault diagnosis, testing, and debugging. New to This edition: A new chapter 1 with a comparison of relay-controlled systems, microprocessor-controlled systems, and the programmable logic controller, a discussion of PLC hardware and architecture, examples from various PLC manufacturers, and coverage of security, the IEC programming standard, programming devices and manufacturers software More detail of programming using Sequential Function Charts Extended coverage of the sequencer More Information on fault finding, including testing inputs and outputs with an illustration of how it is done with the PLC manufacturers software New case studies With this book you will be able to: Identify and explain the main design characteristics, internal architecture, and operating principles of programmable logic controllers Use PLCs of different sizes and from different manufacturers Use commonly used input and output devices with PLC systems, taking account of their characteristics Explain the processing of inputs and outputs by PLCs so that input and output systems can be correctly used with PLCs Use communication links with PLC systems, recognising the protocols, and networking methods involved Use ladder programs involving the logic functions AND, OR, NOT, NAND, NOT, and XOR to tackle applications Use ladder programs involving internal relays, times, counters, shift registers, sequencers, and data handling to tackle applications Identify safety issues with PLC systems so that they can be safely used Use methods for fault diagnosis, testing and debugging About 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
