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Mastering PLC Programming

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

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Product type Paperback
Published in Mar 2023
Publisher Packt
ISBN-13 9781804612880
Length 386 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 – 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 24. Other Books You May Enjoy

Final project – motor alarm system

For the final project, we are going to create a motor alarm system. In the real world, motors are a pivotal part of automation. However, if a motor starts drawing too much or too little current, there could be a problem. Also, if the operating temperature is over or under range for the motor, there could be a problem. Therefore, we need alarms to indicate when these events occur and what they are. To round out the chapter, we are going to create an HMI similar to the one in the last section; however, we are going to add more alarms. So, the first thing we are going to do is lay out some requirements.

Requirements

Motors have an optimal operating range for temperature, drawn voltage, and communication between the drive and PLC. We need to monitor these, and if there is any abnormal behavior, we need to trigger an alarm. Also, since there can be multiple issues all at once, we need to log all the issues so the technician can search the...

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