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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

Chapter 8

  1. What data type is used to store whole numbers?

    INT

  2. What is a floating-point number?

    A decimal number.

  3. What data type is used to store a floating-point number?

    REAL or LREAL

  4. What data type would you use to store the result of 3/2?

    REAL or LREAL

  5. What is a strongly typed language?

    A language that evaluates data types before an operation is preformed.

  6. What is a data type?

    The type of data a variable can hold. For example, a whole number or string of characters.

  7. What is a weakly typed language?

    A language that does not evaluate data types before operations are preformed .

  8. What is a dynamically typed language?

    A language that figures out the data type for you.

  9. What is a statically typed language?

    A language that requires you to explicitly declare the data type of a variable.

  10. Is CODESYS dynamically or statically typed?

    Statically typed.

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