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

Product type Paperback

Published in May 2024

Publisher Packt

ISBN-13 9781803230931

Length 380 pages

Edition 1st Edition

Languages

PLC programming

Tools

PLC

Concepts

PLC Programming

Author (1):

M. T. White

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Table of Contents (25) Chapters

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

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Common storage devices

It is hard to exist in the 21st century without knowledge of common storage devices. However, for the sake of being thorough, it is important to cover these concepts and how they can be used in an automation environment. With that, the first device we’re going to explore is a USB flash drive.

USB drives

Probably the most common storage medium in use are USB storage devices. These are small, portable storage devices that can be used on any computer. To use a USB drive, all one has to do is plug it into a USB port and let the driver software automatically install. These devices can hold copious amounts of data with some high-end models capable of storing over 16 TB of data!

For automation applications, USB drives are mostly used to move data from device to device. Obviously, USB devices are mostly used with higher-end PLCs that have USB ports and utilize an operating system that can support USB drives, such as Beckhoff PLCs, which run Windows. These...