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PLCs for Beginners

You're reading from   PLCs for Beginners An introductory guide to building robust PLC programs with structured text

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Product type Paperback
Published in May 2024
Publisher Packt
ISBN-13 9781803230931
Length 380 pages
Edition 1st Edition
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Author (1):
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M. T. White M. T. White
Author Profile Icon M. T. White
M. T. White
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Toc

Table of Contents (25) Chapters Close

Preface 1. Part 1: Basics of Computer Science for PLC Programmers FREE CHAPTER
2. Chapter 1: Computer Science Versus Automation Programming 3. Chapter 2: PLC Components – Integrating PLCs with Other Modules 4. Chapter 3: The Basics of Programming 5. Chapter 4: Unleashing Computer Memory 6. Chapter 5: Designing Programs – Unleashing Pseudocode and Flowcharts 7. Chapter 6: Boolean Algebra 8. Part 2: Introduction to Structured Text Programming
9. Chapter 7: Unlocking the Power of ST 10. Chapter 8: Exploring Variables and Tags 11. Chapter 9: Performing Calculations in Structured Text 12. Chapter 10: Unleashing Built-In Function Blocks 13. Chapter 11: Unlocking the Power of Flow Control 14. Chapter 12: Unlocking Advanced Control Statements 15. Chapter 13: Implementing Tight Loops 16. Part 3: Algorithms, AI, Security, and More
17. Chapter 14: Sorting with Loops 18. Chapter 15: Secure PLC Programming – Stopping Cyberthreats 19. Chapter 16: Troubleshooting PLCs – Fixing Issues 20. Chapter 17: Leveraging Artificial Intelligence (AI) 21. Chapter 18: The Final Project – Programming a Simulated Robot 22. Assessments 23. Index 24. Other Books You May Enjoy

Sorting with Loops

In automation, it is often necessary to have to figure out the range of certain characteristics of the part your machine produces. For example, it is quite common to need to know how heavy the heaviest part was or how short the shortest part was. Sorting characteristics of parts is often required in many manufacturing environments to ensure proper quality. Typically, to effectively perform the necessary statistics calculations, it is helpful to have all the data sorted.

Sorting is a vital concept in computer science. Sorting can be a very costly operation in terms of memory, CPU power, and most importantly, time. As logic dictates, the more data you have to sort through, the more time and resources you will need at your disposal. Therefore, when sorting, you have to choose an appropriate sorting methodology that is easy to implement while still being efficient enough to get the job done in a timely manner.

The key to sorting is looping. More specifically, FOR...

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