Technical requirements

While every part of this book is valuable, Chapter 2, Switches and Sensors: Working Principles, Applications and Wiring, Chapter 3, Actuators and Their Applications in industrial automation and Chapter 7, Understanding Programmable Logic Controller-Part 1 as well as Chapter 8, Understanding Programmable Logic Controllers-Part 2 are very important to have a better understanding of this chapter.

This chapter is actually a continuation of the previous chapter. Hence, you must have familiarized yourself with the necessary terms and the programming software (TIA Portal) and also practiced the programs explained using necessary instructions before reading this chapter.