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Book PLC Controls with Structured Text  ST   V3 Wire O

Download or read book PLC Controls with Structured Text ST V3 Wire O written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2020-06-30 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to the programming language Structured Text (ST) which is used in Programmable Logic Controllers (PLC). The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC). This 3rd edition has been updated and expanded with many of the suggestions and questions that readers and students have come up with, including the desire for many more illustrations and program examples. CONTENTS: - Background, benefits and challenges of ST programming - Syntax, data types, best practice and basic ST programming - IF-THEN-ELSE, CASE, FOR, CTU, TON, STRUCT, ENUM, ARRAY, STRING - Guide for best practice naming, troubleshooting, test and program structure - Sequencer and code split-up into functions and function blocks - FIFO, RND, sorting, scaling, toggle, simulation signals and digital filter - Tank controls, conveyor belts, adaptive pump algorithm and robot control - PLC program structure for pumping stations, 3D car park and car wash - Examples: From Ladder Diagram to ST programming The book contains more than 150 PLC code examples with a focus on learning how to write robust, readable, and structured code. The book systematically describes basic programming, including advice and practical examples based on the author ́s extensive industrial experience. The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years ́ experience in specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaches PLC programming at Dania Academy, a higher education institution in Randers, Denmark.

Book PLC Controls with Structured Text  ST   V3

Download or read book PLC Controls with Structured Text ST V3 written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2020-06-30 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to the programming language Structured Text (ST) which is used in Programmable Logic Controllers (PLC). The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC). This 3rd edition has been updated and expanded with many of the suggestions and questions that readers and students have come up with, including the desire for many more illustrations and program examples. CONTENTS: - Background, benefits and challenges of ST programming - Syntax, data types, best practice and basic ST programming - IF-THEN-ELSE, CASE, FOR, CTU, TON, STRUCT, ENUM, ARRAY, STRING - Guide for best practice naming, troubleshooting, test and program structure - Sequencer and code split-up into functions and function blocks - FIFO, RND, sorting, scaling, toggle, simulation signals and digital filter - Tank controls, conveyor belts, adaptive pump algorithm and robot control - PLC program structure for pumping stations, 3D car park and car wash - Examples: From Ladder Diagram to ST programming The book contains more than 150 PLC code examples with a focus on learning how to write robust, readable, and structured code. The book systematically describes basic programming, including advice and practical examples based on the author ́s extensive industrial experience. The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years ́ experience in specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaches PLC programming at Dania Academy, a higher education institution in Randers, Denmark.

Book PLC Controls with Structured Text  ST   V3 Monochrome

Download or read book PLC Controls with Structured Text ST V3 Monochrome written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2020-06-30 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to the programming language Structured Text (ST) which is used in Programmable Logic Controllers (PLC). The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC). This 3rd edition has been updated and expanded with many of the suggestions and questions that readers and students have come up with, including the desire for many more illustrations and program examples. CONTENTS: - Background, benefits and challenges of ST programming - Syntax, data types, best practice and basic ST programming - IF-THEN-ELSE, CASE, FOR, CTU, TON, STRUCT, ENUM, ARRAY, STRING - Guide for best practice naming, troubleshooting, test and program structure - Sequencer and code split-up into functions and function blocks - FIFO, RND, sorting, scaling, toggle, simulation signals and digital filter - Tank controls, conveyor belts, adaptive pump algorithm and robot control - PLC program structure for pumping stations, 3D car park and car wash - Examples: From Ladder Diagram to ST programming The book contains more than 150 PLC code examples with a focus on learning how to write robust, readable, and structured code. The book systematically describes basic programming, including advice and practical examples based on the author ́s extensive industrial experience. The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years ́ experience in specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaches PLC programming at Dania Academy, a higher education institution in Randers, Denmark.

Book PLC Controls with Structured Text  ST

Download or read book PLC Controls with Structured Text ST written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2019-03-14 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to Structured Text (ST), used in Programmable Logic Control (PLC). The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC). Contents: - Background, advantage and challenge when ST programming - Syntax and fundamental ST programming - Widespread guide to reasonable naming of variables - CTU, TOF, TON, CASE, STRUCT, ENUM, ARRAY, STRING - Guide to split-up into program modules and functions - More than 90 PLC code examples in black/white - FIFO, RND, 3D ARRAY and digital filter - Examples: From LADDER to ST programming - Guide to solve programming exercises Many clarifying explanations to the PLC code and focus on the fact that the reader should learn how to write a stable, robust, readable, structured and clear code are also included in the book. Furthermore, the focus is that the reader will be able to write a PLC code, which does not require a specific PLC type and PLC code, which can be reused. The basis of the book is a material which is currently compiled with feedback from lecturers and students attending the AP Education in Automation Engineering at the local Dania Academy, "Erhvervsakademi Dania", Randers, Denmark. The material is thus currently updated so that it answers all the questions which the students typically ask through-out the period of studying. The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years of experience within specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaching PLC control systems at higher educations. LinkedIn: https://www.linkedin.com/in/tommejerantonsen/

Book PLC Controls with Ladder Diagram  LD

Download or read book PLC Controls with Ladder Diagram LD written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2021-06-22 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to the programming language Ladder Diagram (LD) used in Programmable Logic Controllers (PLC). The book provides a general introduction to PLC controls and can be used for any PLC brands. With a focus on enabling readers without an electrical education to learn Ladder programming, the book is suitable for learners without prior knowledge of Ladder. The book contains numerous illustrations and program examples, based on real-world, practical problems in the field of automation. CONTENTS - Background, benefits and challenges of Ladder programming - PLC hardware, sensors, and basic Ladder programming - Practical guides and tips to achieve good program structures - Theory and examples of flowcharts, block diagrams and sequence diagrams - Design guide to develop functions and function blocks - Examples of organizing code in program modules and functions - Sequencing using SELF-HOLD, SET/RESET and MOVE/ COMPARE - Complex code examples for a pump station, tank control and conveyor belt - Design, development, testing and simulation of PLC programs The book describes Ladder programming as described in the standard IEC 61131-3. PLC vendors understand this standard in different ways, and not all vendors follows the standard exactly. This will be clear through material from the vendor. This means that some of the program examples in this book may not work as intended in the PLC type you are using. In addition, there is a difference in how the individual PLC type shows graphic symbols and instructions used in Ladder programming. Note: This is a book for beginners and therefore advanced techniques such as ARRAY, LOOPS, STRUCT, ENUM, STRING, PID and FIFO are not included.

Book PLC Controls with Ladder Diagram  LD   Wire O

Download or read book PLC Controls with Ladder Diagram LD Wire O written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2021-06-22 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to the programming language Ladder Diagram (LD) used in Programmable Logic Controllers (PLC). The book provides a general introduction to PLC controls and can be used for any PLC brands. With a focus on enabling readers without an electrical education to learn Ladder programming, the book is suitable for learners without prior knowledge of Ladder. The book contains numerous illustrations and program examples, based on real-world, practical problems in the field of automation. CONTENTS - Background, benefits and challenges of Ladder programming - PLC hardware, sensors, and basic Ladder programming - Practical guides and tips to achieve good program structures - Theory and examples of flowcharts, block diagrams and sequence diagrams - Design guide to develop functions and function blocks - Examples of organizing code in program modules and functions - Sequencing using SELF-HOLD, SET / RESET and MOVE / COMPARE - Complex code examples for a pump station, tank control and conveyor belt - Design, development, testing and simulation of PLC programs The book describes Ladder programming as described in the standard IEC 61131-3. PLC vendors understand this standard in different ways, and not all vendors follows the standard exactly. This will be clear through material from the vendor. This means that some of the program examples in this book may not work as intended in the PLC type you are using. In addition, there is a difference in how the individual PLC type shows graphic symbols and instructions used in Ladder programming. Note: This is a book for beginners and therefore advanced techniques such as ARRAY, LOOPS, STRUCT, ENUM, STRING, PID and FIFO are not included.

Book Automating Manufacturing Systems with Plcs

Download or read book Automating Manufacturing Systems with Plcs written by Hugh Jack and published by Lulu.com. This book was released on 2009-08-27 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: An in depth examination of manufacturing control systems using structured design methods. Topics include ladder logic and other IEC 61131 standards, wiring, communication, analog IO, structured programming, and communications.Allen Bradley PLCs are used extensively through the book, but the formal design methods are applicable to most other PLC brands.A full version of the book and other materials are available on-line at http://engineeronadisk.com

Book Programmable Logic Controllers

Download or read book Programmable Logic Controllers written by Kelvin T. Erickson and published by . This book was released on 2011 with total page 1489 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Programmable Logic Controllers

Download or read book Programmable Logic Controllers written by Dag H. Hanssen and published by John Wiley & Sons. This book was released on 2015-11-23 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Widely used across industrial and manufacturing automation, Programmable Logic Controllers (PLCs) perform a broad range of electromechanical tasks with multiple input and output arrangements, designed specifically to cope in severe environmental conditions such as automotive and chemical plants. Programmable Logic Controllers: A Practical Approach using CoDeSys is a hands-on guide to rapidly gain proficiency in the development and operation of PLCs based on the IEC 61131-3 standard. Using the freely-available* software tool CoDeSys, which is widely used in industrial design automation projects, the author takes a highly practical approach to PLC design using real-world examples. The design tool, CoDeSys, also features a built in simulator/soft PLC enabling the reader to undertake exercises and test the examples. Key features: Introduces to programming techniques using IEC 61131-3 guidelines in the five PLC-recognised programming languages. Focuses on a methodical approach to programming, based on Boolean algebra, flowcharts, sequence diagrams and state-diagrams. Contains a useful methodology to solve problems, develop a structured code and document the programming code. Covers I/O like typical sensors, signals, signal formats, noise and cabling. Features Power Point slides covering all topics, example programs and solutions to end-of-chapter exercises via companion website. No prior knowledge of programming PLCs is assumed making this text ideally suited to electronics engineering students pursuing a career in electronic design automation. Experienced PLC users in all fields of manufacturing will discover new possibilities and gain useful tips for more efficient and structured programming. * Register at www.codesys.com www.wiley.com/go/hanssen/logiccontrollers

Book PLC Controls with Structured Text  ST   Monochrome Arabic Edition

Download or read book PLC Controls with Structured Text ST Monochrome Arabic Edition written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2019-04-26 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to Structured Text (ST), used in Programmable Logic Control (PLC). The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC). CONTENTS - Background, advantage and challenge when ST programming - Syntax and fundamental ST programming - Widespread guide to reasonable naming of variables - CTU, TOF, TON, CASE, STRUCT, ENUM, ARRAY, STRING - Guide to split-up into program modules and functions - More than 90 PLC code examples in black/white - FIFO, RND, 3D ARRAY and digital filter - Examples: From LADDER to ST programming - Guide to solve programming exercises Many clarifying explanations to the PLC code and focus on the fact that the reader should learn how to write a stable, robust, readable, structured and clear code are also included in the book. Furthermore, the focus is that the reader will be able to write a PLC code, which does not require a specific PLC type and PLC code, which can be reused. The basis of the book is a material which is currently compiled with feedback from lecturers and students attending the AP Education in Automation Engineering at the local Dania Academy, "Erhvervsakademi Dania", Randers, Denmark. The material is thus currently updated so that it answers all the questions which the students typically ask through-out the period of studying. The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years of experience within specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaching PLC control systems at higher educations in Denmark LinkedIn: https://www.linkedin.com/in/tommejerantonsen/

Book Programmable Logic Controllers

Download or read book Programmable Logic Controllers written by William Bolton and published by Elsevier. This book was released on 2011-04-01 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the introduction to PLCs for which baffled students, technicians and managers have been waiting. In this straightforward, easy-to-read guide, Bill Bolton has kept the jargon to a minimum, considered all the programming methods in the standard IEC 1131-3 - in particular ladder programming, and presented the subject in a way that is not device specific to ensure maximum applicability to courses in electronics and control systems. Now in its fourth edition, this best-selling text has been expanded with increased coverage of industrial systems and PLCs and more consideration has been given to IEC 1131-3 and all the programming methods in the standard. The new edition brings the book fully up to date with the current developments in PLCs, describing new and important applications such as PLC use in communications (e.g. Ethernet – an extremely popular system), and safety – in particular proprietary emergency stop relays (now appearing in practically every PLC based system). The coverage of commonly used PLCs has been increased, including the ever popular Allen Bradley PLCs, making this book an essential source of information both for professionals wishing to update their knowledge, as well as students who require a straight forward introduction to this area of control engineering. Having read this book, readers will be able to: * Identify the main design characteristics and internal architecture of PLCs * Describe and identify the characteristics of commonly used input and output devices * Explain the processing of inputs and outputs of PLCs * Describe communication links involved with control systems * Develop ladder programs for the logic functions AND, OR, NOT, NAND, NOT and XOR * Develop functional block, instruction list, structured text and sequential function chart programs * Develop programs using internal relays, timers, counters, shift registers, sequencers and data handling * Identify safety issues with PLC systems * Identify methods used for fault diagnosis, testing and debugging programs Fully matched to the requirements of BTEC Higher Nationals, students are able to check their learning and understanding as they work through the text using the Problems section at the end of each chapter. Complete answers are provided in the back of the book. * Thoroughly practical introduction to PLC use and application - not device specific, ensuring relevance to a wide range of courses * New edition expanded with increased coverage of IEC 1131-3, industrial control scenarios and communications - an important aspect of PLC use * Problems included at the end of each chapter, with a complete set of answers given at the back of the book

Book Mastering PLC Structured Text  ST  Programming

Download or read book Mastering PLC Structured Text ST Programming written by Cybellium Ltd and published by Cybellium Ltd. This book was released on with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unleash the Potential of Advanced PLC Structured Text (ST) Programming with "Mastering PLC Structured Text Programming" In the dynamic field of industrial automation, the ability to write efficient and advanced PLC Structured Text (ST) programs is essential for driving innovation. "Mastering PLC Structured Text Programming" is your definitive guide to mastering the art of crafting sophisticated and optimized ST programs. Whether you're a seasoned automation engineer or new to PLC programming, this book equips you with the knowledge and skills needed to navigate the intricacies of PLC structured text programming. About the Book: "Mastering PLC Structured Text Programming" takes you on an enlightening journey through the complexities of PLC programming, from foundational concepts to cutting-edge techniques. From data types to real-world applications, this book covers it all. Each chapter is meticulously designed to provide both a deep understanding of the concepts and practical applications in real-world scenarios. Key Features: · Foundational Principles: Build a solid foundation by understanding the core principles of PLCs, structured text programming, and industrial automation systems. · Structured Text Elements: Explore a range of structured text elements, including data types, variables, functions, and operators, understanding how to craft sophisticated control logic. · Programming Techniques: Master advanced programming techniques such as object-oriented programming, task scheduling, and memory management, ensuring optimal program structure. · Advanced Algorithms: Dive into complex algorithms for motion control, process optimization, and system coordination, enabling you to solve intricate automation challenges. · Human-Machine Interface (HMI) Integration: Learn how to integrate PLC ST programs with HMIs for seamless operator interaction and system visualization. · Real-World Applications: Gain insights from real-world examples spanning industries, from manufacturing and energy to robotics and beyond. · Debugging and Optimization: Understand strategies for debugging programs, optimizing code, and ensuring robust automation solutions. · Safety and Reliability: Explore best practices for ensuring safety and reliability in PLC ST programming, including error handling and fault tolerance. Who This Book Is For: "Mastering PLC Structured Text Programming" is designed for automation engineers, programmers, developers, and anyone involved in industrial control systems. Whether you're looking to enhance your skills or embark on a journey toward becoming an ST programming expert, this book provides the insights and tools to navigate the complexities of structured text programming. © 2023 Cybellium Ltd. All rights reserved. www.cybellium.com

Book PLC Controls with Structured Text  ST   Arabic Edition

Download or read book PLC Controls with Structured Text ST Arabic Edition written by Tom Mejer Antonsen and published by BoD – Books on Demand. This book was released on 2019-02-04 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an introduction to Structured Text (ST), used in Programmable Logic Control (PLC). The book can be used for all types of PLC brands including Siemens Structured Control Language (SCL) and Programmable Automation Controllers (PAC). CONTENTS - Background, advantage and challenge when ST programming - Syntax and fundamental ST programming - Widespread guide to reasonable naming of variables - CTU, TOF, TON, CASE, STRUCT, ENUM, ARRAY, STRING - Guide to split-up into program modules and functions - More than 90 PLC code examples in black/white - FIFO, RND, 3D ARRAY and digital filter - Examples: From LADDER to ST programming - Guide to solve programming exercises Many clarifying explanations to the PLC code and focus on the fact that the reader should learn how to write a stable, robust, readable, structured and clear code are also included in the book. Furthermore, the focus is that the reader will be able to write a PLC code, which does not require a specific PLC type and PLC code, which can be reused. The basis of the book is a material which is currently compiled with feedback from lecturers and students attending the AP Education in Automation Engineering at the local Dania Academy, "Erhvervsakademi Dania", Randers, Denmark. The material is thus currently updated so that it answers all the questions which the students typically ask through-out the period of studying. The author is Bachelor of Science in Electrical Engineering (B.Sc.E.E.) and has 25 years of experience within specification, development, programming and supplying complex control solutions and supervision systems. The author is Assistant Professor and teaching PLC control systems at higher educations. LinkedIn: https://www.linkedin.com/in/tommejerantonsen/

Book Programmable Logic Controllers

Download or read book Programmable Logic Controllers written by William Bolton and published by Newnes. This book was released on 2009-09-10 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Book Programmable Logic Controllers

Download or read book Programmable Logic Controllers written by William Bolton and published by Newnes. This book was released on 2015-03-06 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 A methodical introduction, with many illustrations, describing how to program PLCs, no matter the manufacturer, and how to use internal relays, timers, counters, shift registers, sequencers, and data-handling facilities Consideration of the standards given by IEC 1131-3 and the programming methods of ladder, functional block diagram, instruction list, structured text, and sequential function chart Many worked examples, multiple-choice questions, and problems are included, with answers to all multiple-choice questions and problems given at the end of the book

Book Introduction Practical PLC  Programmable Logic Controller  Programming

Download or read book Introduction Practical PLC Programmable Logic Controller Programming written by Dilip Patel and published by GRIN Verlag. This book was released on 2018-02-28 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2017 in the subject Computer Science - Programming, grade: a, , course: Automation, language: English, abstract: It gives a great pleasure to present this book on “Introduction to Practical PLC Programming”. This book has been written for the first course in “PLC Programming” especially for beginner learner of automation technology. This book covers introduction of programmable logic controllers with basic to advance ladder programming techniques. The main objective of this book is to bridge the gap between theory and practical implementation of PLC information and knowledge. In this book, you will get an overview of practical PLC programming for beginner to intermediate level user chapter 1 is introduction to history and types of PLCs. Chapter 2 introduce how relay logic can be converted into PLC logic. Chapter 3 introducing plc ladder programming logic, jump, call and subroutines. Chapter 4 giving insight for Latching, Timer, Counter, Sequencer, Shift Registers and Sequencing Application. Chapter 5 explains data handling and advance logic programming techniques commonly use in practical plc programming. Chapter 6 introducing analog programming and chapter 7 gives introduction of different languages used for plc programming. This books contains ladder diagrams, tables, and examples to help and explain the topics.

Book Programmable Logic Controllers

    Book Details:
  • Author : Frederick D Hackworth, Jr
  • Publisher : Independently Published
  • Release : 2022-09-06
  • ISBN :
  • Pages : 0 pages

Download or read book Programmable Logic Controllers written by Frederick D Hackworth, Jr and published by Independently Published. This book was released on 2022-09-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A text covering fundamental programmable logic controller (PLC) programming and interfacing methods. Included is a collection of sample ladder logic program segments to perform specific tasks in any PLC program such as flashers, non-standard clocks, timed counters and sequencers, flip flops (RS, D, T, JK), majority decision networks, and one-shots. Topics then move into interfacing methods, discrete sensors, linear transducers, encoders, motor controllers, PID, system safety, and pneumatics. The text can be used in any community college or university-level Engineering Technology PLC course and is also an excellent addition to an engineer's or technician's technical reference library. Readers should have a thorough understanding of fundamental dc and ac circuits, electronic devices (including thyristors), and a knowledge of college algebra and trigonometry.