You're reading from Mastering PLC Programming The software engineering survival guide to automation programming

Product type Paperback

Published in Mar 2023

Publisher Packt

ISBN-13 9781804612880

Length 386 pages

Edition 1st Edition

Languages

PLC programming

Tools

PLC

Concepts

PLC Programming

Author (1):

M. T. White

View More author details

Table of Contents (25) Chapters

Preface

1. Part 1 – An Introduction to Advanced PLC Programming

2. Chapter 1: Software Engineering for PLCs FREE CHAPTER

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

4. Chapter 3: Debugging — Making Your Code Work

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

6. Part 2 – Modularity and Objects

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

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

9. Chapter 7: OOP — The Power of Objects

10. Part 3 – Software Engineering for PLCs

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

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

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

14. Part 4 – HMIs and Alarms

15. Chapter 11: HMIs — UIs for PLCs

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

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

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

19. Part 5 – Final Project and Thoughts

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

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

22. Assessments

23. Index

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Debugging — Making Your Code Work

Chances are you have never written a program of any significant size that worked as expected on the first go. In fact, chances are you hardly ever get a program to compile and run on the first go. Every software engineer knows that defects are a part of life. As such, debugging is a part of life as well.

Debugging is a skill. Just as a programmer must learn to write code, they must also learn to debug software. A developer can be the best developer in the world; however, if they cannot effectively debug their software, no one is going to consider them very effective. Just as there are techniques to develop code, there are techniques that can be used to debug software.

There are many different ways to debug software. Some methods are more sophisticated than others. It doesn’t matter what method you choose to debug your software as long as the software is defect-free when you deploy it. Many tools can be used to troubleshoot code...