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.
Table of Contents
- Introduction PLC And Automation
- Introduction
- What Is PLC
- History of Programmable Logic Controllers (PLCs)
- Types of PLC
- Functional Description
- Relay Logic to PLC Inputs/Outputs
- Concept Of Relay Functioning
- Relay Logic
- Plc Inputs And Outputs
- Plc Data Types
- Memory Types
- Address The Input And Output
- Sinking And Sourcing
- PLC Ladder Logic Programming
- Introduction
- Ladder Programming
- Logic Functions
- Multiple Outputs
- Entering Programs
- Function Block Diagram (FBD)
- Jump And Call
- Jumps Within Jumps
- Subroutines
- Event Based Logic Programming
- Introduction
- Latching
- Timer
- Counter
- Sequencer
- Shift Registers
- A Sequencing Application
- Keeping Track Of Items
- Data Handling and Advance Logic
- Introduction
- Data Handling
- Logical Functions
- Analog Programming
- Introduction
- Analog (A/D) Input
- Analog (D/A) Output
- Analog Data Handling
- Analog I/O Potential Problems
- Different PLC Programming Languages
- Introduction
- Instruction List Programming
- Structured Text Programming
- Ladder Diagram (LD)
- Function Block Programming
- Sequential Function Charts
Objectives and Key Themes
The main objective of this book is to provide a practical understanding of PLC programming, bridging the gap between theoretical knowledge and real-world application. It aims to teach beginners the fundamentals of PLC programming, from basic to advanced techniques.
- Introduction to Programmable Logic Controllers (PLCs) and their applications.
- Conversion of relay logic into PLC logic.
- PLC ladder logic programming and its various functions.
- Event-based logic programming using timers, counters, and sequencers.
- Data handling and advanced logic techniques in PLC programming.
Chapter Summaries
Introduction PLC And Automation: This chapter introduces Programmable Logic Controllers (PLCs), explaining their function as replacements for electromechanical relays in industrial control systems. It details the history of PLCs, starting with the MODICON, and discusses various types and functionalities. The chapter highlights the PLC's role in automating industrial processes, emphasizing its ability to handle diverse input and output devices and harsh environmental conditions. It lays the groundwork for understanding the core purpose and applications of PLCs in modern industrial settings.
Relay Logic to PLC Inputs/Outputs: This chapter focuses on the transition from traditional relay logic to PLC-based systems. It explains the fundamentals of relay operation and how relay logic circuits can be effectively translated into PLC logic. The chapter details PLC input and output configurations, data types, memory management, and addressing schemes. Concepts like sinking and sourcing are clearly explained with examples, providing a solid foundation for understanding the practical implementation of PLC I/O.
PLC Ladder Logic Programming: This chapter delves into the core of PLC programming: ladder logic. It introduces the basic structure of ladder diagrams and explains how to represent various logic functions within this framework. The chapter explains the use of multiple outputs, program entry methods, and alternative programming methods such as Function Block Diagrams (FBDs). Advanced concepts like jumps, calls, and subroutines are covered, demonstrating how to structure complex control programs effectively. The chapter provides a comprehensive understanding of ladder logic programming, essential for effective PLC control system design.
Event Based Logic Programming: This chapter explores event-driven programming in PLCs, focusing on the use of timers, counters, and sequencers. Latching mechanisms, shift registers, and sequencing applications are discussed in detail, showcasing how to create dynamic and responsive control systems. The chapter emphasizes the practical aspects of implementing these functions, illustrated with real-world examples and applications. This chapter builds upon the foundation of ladder logic, adding the crucial element of time-based and sequential control.
Data Handling and Advance Logic: This chapter focuses on more advanced PLC programming techniques, including data handling and complex logic operations. It expands on the fundamental data types discussed earlier, showcasing methods to manipulate and process data within the PLC environment. This section provides an overview of advanced logic functions and their applications in intricate control systems, enhancing the reader's understanding of creating sophisticated and versatile PLC programs.
Analog Programming: This chapter is dedicated to analog input/output operations in PLCs. It covers the process of converting analog signals to digital representations for PLC processing (A/D conversion) and vice versa (D/A conversion). The chapter discusses techniques for handling analog data and potential problems associated with analog I/O, equipping the reader with the knowledge to interface PLCs with real-world analog sensors and actuators.
Different PLC Programming Languages: This chapter introduces a variety of PLC programming languages beyond ladder logic. It examines instruction list programming, structured text programming, function block programming, and sequential function charts, highlighting their respective strengths and weaknesses and when they may be most appropriately applied. This chapter broadens the reader's perspective, showing the range of available programming options for PLC applications.
Keywords
Programmable Logic Controller (PLC), Ladder Logic, Relay Logic, Automation, Industrial Control, Timers, Counters, Sequencers, Data Handling, Analog I/O, Programming Languages, Function Block Diagram (FBD), Input/Output (I/O), Sinking, Sourcing.
PLC Programming: A Comprehensive Guide - FAQ
What is this document about?
This document provides a comprehensive preview of a book on PLC (Programmable Logic Controller) programming. It includes a table of contents, learning objectives and key themes, chapter summaries, and keywords. The book aims to teach beginners the fundamentals of PLC programming, from basic to advanced techniques, bridging the gap between theory and real-world application.
What topics are covered in the book?
The book covers a wide range of PLC programming topics, including: introduction to PLCs and automation; converting relay logic to PLC inputs/outputs; ladder logic programming; event-based logic programming (using timers, counters, and sequencers); data handling and advanced logic; analog programming; and different PLC programming languages (ladder diagram, instruction list, structured text, function block diagram, and sequential function charts).
What are the learning objectives of the book?
The main objective is to provide a practical understanding of PLC programming. Specific objectives include understanding the application of PLCs, converting relay logic to PLC logic, mastering PLC ladder logic programming and its functions, utilizing event-based logic programming, applying data handling and advanced logic techniques, and understanding different PLC programming languages.
What are the key themes explored in the book?
Key themes include the practical application of PLC programming in industrial settings, the transition from traditional relay logic to PLC-based systems, the importance of different programming methods, and the ability to handle both digital and analog signals. The book emphasizes a hands-on approach to learning.
What is included in each chapter?
Each chapter provides a detailed explanation of a specific aspect of PLC programming. For example, the chapter on "Introduction PLC And Automation" introduces PLCs and their history, while the chapter on "PLC Ladder Logic Programming" delves into the core of PLC programming, covering ladder diagrams, logic functions, and advanced techniques. Other chapters focus on event-based programming, data handling, analog programming, and different programming languages. Each chapter summary offers a concise overview of its contents.
What are the different PLC programming languages discussed?
The book covers several PLC programming languages including Ladder Diagram (LD), Instruction List programming, Structured Text programming, Function Block Diagram (FBD) programming, and Sequential Function Charts.
What are some key terms or keywords related to the book's content?
Key terms include Programmable Logic Controller (PLC), Ladder Logic, Relay Logic, Automation, Industrial Control, Timers, Counters, Sequencers, Data Handling, Analog I/O, Programming Languages, Function Block Diagram (FBD), Input/Output (I/O), Sinking, and Sourcing.
Who is the target audience for this book?
The book is primarily aimed at beginners in PLC programming, providing a foundational understanding of the subject. However, the inclusion of advanced topics makes it relevant to those seeking to enhance their existing knowledge.
What is the overall approach of the book?
The book takes a practical, hands-on approach, emphasizing real-world applications and bridging the gap between theoretical knowledge and practical implementation. It progresses from basic concepts to more advanced techniques.
Where can I find more information or purchase the book?
This preview does not contain information on where to purchase the book. You would need to consult the publishing company that provided this preview for purchasing details.
- Quote paper
- Dr. Dilip Patel (Author), 2017, Introduction Practical PLC (Programmable Logic Controller) Programming, Munich, GRIN Verlag, https://www.grin.com/document/413360
