Book Image

Industrial Automation from Scratch

By : Olushola Akande
Book Image

Industrial Automation from Scratch

By: Olushola Akande

Overview of this book

Industrial automation has become a popular solution for various industries looking to reduce manual labor inputs and costs by automating processes. This book helps you discover the abilities necessary for excelling in this field. The book starts with the basics of industrial automation before progressing to the application of switches, sensors, actuators, and motors, and a direct on-line (DOL) starter and its components, such as circuit breakers, contactors, and overload relay. Next, you'll explore VFDs, their parameter settings, and how they can be wired and programmed for induction motor control. As you advance, you'll learn the wiring and programming of major industrial automation tools – PLCs, HMIs, and SCADA. You’ll also get to grips with process control and measurements (temperature, pressure, level, and flow), along with analog signal processing with hands-on experience in connecting a 4–20 mA transmitter to a PLC. The concluding chapters will help you grasp various industrial network protocols such as FOUNDATION Fieldbus, Modbus, PROFIBUS, PROFINET, and HART, as well as emerging trends in manufacturing (Industry 4.0) and its empowering technologies (such as IoT, AI, and robotics). By the end of this book, you’ll have gained a practical understanding of industrial automation concepts for machine automation and control.
Table of Contents (21 chapters)
1
Part 1: Learning the Concepts and Skills Required to Get Started
8
Part 2: Understanding PLC, HMI, and SCADA
14
Part 3: Process Control, Industrial Network, and Smart Factory

Understanding AC motor

AC motor is a type of electric motor that is powered by alternating current (AC) supplied from the power grid or other AC electricity source. Check out Chapter 3, Actuators And Their Application In Industrial Automation, to learn the basic construction of AC motor. Here, we will be looking at the various types of AC motors which include:

  • Synchronous AC motor
  • Asynchronous AC motor (induction motor)

Let’s start by understanding the synchronous AC motor.

Synchronous AC motor

In a synchronous motor, the stator winding (winding fitted in the stator) is usually connected to a three phase AC supply. The AC supplied to the stator establishes a rotating magnetic field in the stator and it rotates at synchronous speed. The rotor is supplied with direct current (DC) to make it act as a permanent magnet. Sometimes, the rotor can be made of permanent magnets. By supplying DC to the rotor or making it a permanent magnet makes its magnetic field to be stationary (that...