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Industrial Automation from Scratch

Industrial Automation from Scratch

By : Olushola Akande
4.8 (11)
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Industrial Automation from Scratch

Industrial Automation from Scratch

4.8 (11)
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 (22 chapters)
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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

Using the timer instruction

The timer instruction is a delay instruction. It can be used to delay an operation. Several timers exist, the common ones are ON-delay timer (TON) and OFF-delay timer (TOF).

An on delay timer (TON) activates an output when the input is ON for a specified amount of time.

Let’s write a simple program to demonstrate on delay timer using the following steps:

  1. On a new network, add a normally open instruction and specify an address e.g. I0.0.
  2. At the right hand side of the programming environment, click Instructions | Timer operation | Drag TON (ON delay timer) instruction to the rung and type a name, for example, timer1 as shown in the following screenshot. Click OK:

  3. Figure 9.36 – How to use timer instruction –Call option dialog boxDouble click the question marks (???) at PT (programmed time) and type the time you want Q (output) to become energized, for example, 25s or T#25s.
  4. Press Enter twice.
  5. Drag a coil/assignment instruction to the output...
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Industrial Automation from Scratch
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