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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
Tools
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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
2. Chapter 1: Computer Science Versus Automation Programming FREE CHAPTER 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

Final project

For this project, we’re going to make a hypothetical factory that has three assembly line states. As stated in the chapter introduction, one assembly line state will create a certain number of parts, another will create at least one part, and finally, the last line state will only create parts under certain conditions. To do this, we’re going to need a simple CASE statement to direct the part down the correct assembly line.

In terms of real-world operations, a setup such as this isn’t unheard of. Depending on the type of assembly/process, a machine may be put into certain modes either to produce a certain number of parts, examine previous process results to determine whether the part should continue production, or create a test product for quality assurance or whatever other reasons. Typically, applications such as these are controlled with state machines. To begin, let’s create a pseudocode mockup.

Design

This program is going to...

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