You're reading from Industrial Automation from Scratch A hands-on guide to using sensors, actuators, PLCs, HMIs, and SCADA to automate industrial processes

Product type Paperback

Published in Jun 2023

Publisher Packt

ISBN-13 9781800569386

Length 492 pages

Edition 1st Edition

Languages

Scratch

Tools

Scratch

Concepts

Industrial Internet of Things

Author (1):

Olushola Akande

View More author details

Table of Contents (21) Chapters

Preface

1. Part 1: Learning the Concepts and Skills Required to Get Started

2. Chapter 1: Introduction to Industrial Automation FREE CHAPTER

3. Chapter 2: Switches and Sensors – Working Principles, Applications, and Wiring

4. Chapter 3: Actuators and Their Applications in Industrial Automation

5. Chapter 4: Overview of AC and DC Motors

6. Chapter 5: Introduction to Variable Frequency Drive (VFD)

7. Chapter 6: Drawing Schematic/Wiring Diagrams Using CAD Software

8. Part 2: Understanding PLC, HMI, and SCADA

9. Chapter 7: Understanding PLC Hardware and Wiring

10. Chapter 8: Understanding PLC Software and Programming with TIA Portal

11. Chapter 9: Deep Dive into PLC Programming with TIA Portal

12. Chapter 10: Understanding Human Machine Interfaces (HMIs)

13. Chapter 11: Exploring Supervisory Control And Data Acquisition (SCADA)

14. Part 3: Process Control, Industrial Network, and Smart Factory

15. Chapter 12: Process Control – Essentials

16. Chapter 13: Industrial Network and Communication Protocols Fundamentals

17. Chapter 14: Exploring Smart Factory (Industry 4.0) with 5G

18. Assessments

19. Index

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PLC wiring (3) – Wiring of photoelectric sensors (retro-reflective)

We also discussed photoelectric sensors in Chapter 2, Switches and Sensors – Working Principles, Applications, and Wiring; in this section, we will learn how to wire a photoelectric sensor to an input module.

Figure 2.49 in Chapter 2 shows the wiring diagram of a retro-reflective photoelectric sensor.

The retro-reflective photoelectric sensor described in Chapter 2 can be made to switch to positive or negative depending on whether the input module to be used with it is sinking or sourcing. If the White (WH) is connected to positive, the Black (BK) will have an output (+ve) when an object is detected, and if the WH is connected to negative, the BK will have negative when an object is detected.

The following circuit diagram shows the wiring of a photoelectric sensor connection to a sinking input module: