Preface

• Who this book is for
• What this book covers
• To get the most out of this book
• Download the example code files
• Download the color images
• Conventions used
• Get in touch
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1. Part 1 – An Introduction to Advanced PLC Programming

2. Chapter 1: Software Engineering for PLCs FREE CHAPTER

• Technical requirements
• Software engineering for PLCs
• Understanding the IEC 61131-3 standard
• Introducing CODESYS
• Testing CODESYS
• Summary
• Questions

3. Chapter 2: Advanced Structured Text — Programming a PLC in Easy-to-Read English

• Technical requirements
• Understanding error handling
• Understanding pointers
• Understanding references
• Understanding documentation
• Understanding state machines
• Summary
• Questions
• Further reading

4. Chapter 3: Debugging — Making Your Code Work

• Technical requirements
• What is debugging?
• Understanding debugging tools and techniques
• Troubleshooting – a practical example
• Summary
• Questions
• Further reading

5. Chapter 4: Complex Variable Declaration — Using Variables to Their Fullest

• Technical requirements
• Auto declaring variables
• Understanding constants
• Investigating arrays
• Exploring global variable lists
• Understanding structs
• Getting to know enums
• Exploring persistent variables
• Final project – motor control program
• Summary
• Questions
• Further reading

6. Part 2 – Modularity and Objects

7. Chapter 5: Functions — Making Code Modular and Maintainable

• Technical requirements
• What is modular code?
• Why use modular code?
• Exploring functions
• Examining return types
• Understanding arguments
• Final project – temperature unit converter
• Summary
• Questions
• Further reading

8. Chapter 6: Object-Oriented Programming — Reducing, Reusing, and Recycling Code

• Technical requirements
• What is OOP?
• Why use OOP?
• Understanding function blocks
• Getting to know objects
• Getting to know methods
• Getting to know properties
• Understanding the purpose of a getter and setter
• Understanding recursion and the THIS keyword
• Final project – creating a unit converter
• Summary
• Questions
• Further reading

9. Chapter 7: OOP — The Power of Objects

• Technical requirements
• Understanding access specifiers
• Exploring the pillars of OOP
• Inheritance versus composition
• Examining interfaces
• Getting to know design patterns
• Final project – creating a simulated assembly line
• Summary
• Questions
• Further reading

10. Part 3 – Software Engineering for PLCs

11. Chapter 8: Libraries — Write Once, Use Anywhere

• Technical requirements
• Investigating libraries
• Guiding principles for library development
• Building custom libraries
• Final project – part computation library
• Summary
• Questions
• Further reading

12. Chapter 9: The SDLC — Navigating the SDLC to Create Great Code

• Technical requirements
• Understanding the SDLC
• Investigating the general steps of the SDLC
• Final project – creating a simple library
• Summary
• Questions
• Further reading

13. Chapter 10: Advanced Coding — Using SOLID to Make Solid Code

• Technical requirements
• Introducing SOLID programming
• Benefits of SOLID programming
• The governing principles of SOLID programming
• Final project – a painting machine
• Summary
• Questions
• Further reading

14. Part 4 – HMIs and Alarms

15. Chapter 11: HMIs — UIs for PLCs

• Technical requirements
• Understanding HMIs
• HMIs versus SCADA
• How the SDLC applies to HMIs
• Exploring wireframing
• Final project – creating an HMI
• Summary
• Questions
• Further reading

16. Chapter 12: Industrial Controls — User Inputs and Outputs

• Technical requirements
• Exploring common HMI controls
• Final project – creating a simple HMI
• Summary
• Questions
• Further reading

17. Chapter 13: Layouts — Making HMIs User-Friendly

• Technical requirements
• The importance of colors
• Understanding grouping/position
• Best practices for blinking
• Organizing the screen into multiple layouts
• Final project – creating a user-friendly HMI
• Summary
• Questions
• Further reading

18. Chapter 14: Alarms — Avoiding Catastrophic Issues with Alarms

• Technical requirements
• What are alarms?
• Alarm configuration – I, Warning, and Error setup
• Alarm HMI components
• PLC alarm logic
• Alarm acknowledgment
• Final project – motor alarm system
• Summary
• Questions
• Further reading

19. Part 5 – Final Project and Thoughts

20. Chapter 15: Putting It All Together — The Final Project

• Technical requirements
• Project overview
• Getting the requirements
• HMI design
• HMI implementation
• PLC code design
• Implementing the PLC code
• Testing the application
• Summary
• Questions

21. Chapter 16: Distributed Control Systems, PLCs, and Networking

• Technical requirements
• What are computer networks?
• Common IT protocols
• PLC/automation device communication
• Understanding distributed control systems
• The differences between DCSs and PLCs
• Summary
• Questions
• Further reading

22. Assessments

• Chapter 1: Software Engineering for PLCs
• Chapter 2: Advanced Structured Text — Programming a PLC in Easy-to-Read English
• Chapter 3: Debugging — Making Your Code Work
• Chapter 4: Complex Variable Declaration — Using Variables to Their Fullest
• Chapter 5: Functions — Making Code Modular and Maintainable
• Chapter 6: OOP — Reducing, Reusing, and Recycling Code
• Chapter 7: OOP — The Power of Objects
• Chapter 8: Libraries — Write Once, Use Anywhere
• Chapter 9: The SDLC — Navigating the SDLC to Create Great Code
• Chapter 10: Advanced Coding — Using SOLID to Make Solid Code
• Chapter 11: HMIs — UIs for PLCs
• Chapter 12: Industrial Controls — User Inputs and Outputs
• Chapter 13: Layouts — Making HMIs User Friendly
• Chapter 14: Alarms — Avoiding Catastrophic Issues with Alarms
• Chapter 15: Putting It All Together — The Final Project
• Chapter 16: Distributed Control Systems, PLCs, and Networking

23. Index

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