[PDF] Building a Programmable Logic Controller with a PIC16F648A Microcontroller

Author of Building a Programmable Logic Controller

Murat Uzam was born in Söke, Turkey, in 1968. He received his BSc and MSc degrees from the Electrical Engineering Department of Yıldız Technical University, İstanbul, Turkey, in 1989 and 1991, respectively. He received his Ph.D. degree from the University of Salford, Salford, UK, in 1998.

He is currently a professor in the Department of Electrical and Electronics Engineering at Melikşah University in Kayseri, Turkey.

Dr. Uzam’s research interests include the design and implementation of discrete-event control systems modeled by Petri nets (PN) and, in particular, deadlock prevention/ liveness enforcement in flexible manufacturing systems, Programmable Logic Controllers (PLCs), microcontrollers (especially PIC microcontrollers), and the design of microcontroller-based PLCs.

The details of his studies are accessible from his web page: http://www.meliksah.edu.tr/muzam.

Building a Programmable Logic Controller Contents

• The hardware of the PIC16F648A-Based PLC
• Basic Software
• Contact and Relay-Based Macros
• Flip-Flop Macros
• Timer Macros
• Counter Macros
• Comparison Macros
• Arithmetical Macros
• Logical Macros
• Shift and Rotate Macros
• Multiplexer Macros
• Demultiplexer Macros
• Decoder Macros
• Priority Encoder Macros
• Application Example

Preface to Building a Programmable Logic Controller PDF

Programmable logic controllers (PLCs) have been used extensively in industry for the past five decades. PLC manufacturers offer different PLCs in terms of functions, program memories, and the number of inputs/outputs (I/Os), ranging from a few to thousands of I/Os.

The design and implementation of PLCs have long been a secret of the PLC manufacturers. Recently, serious work was reported by the author of this book to describe a microcontroller-based implementation of a PLC.

With a series of 22 articles published in Electronics World magazine (http//www.electronicsworld.co.uk/) between the years 2008 and 2010, the design and implementation of a PIC16F648Abased PLC were described.

This book is based on an improved version of the project reported in Electronics World magazine. This book is written for advanced students, practicing engineers, and hobbyists who want to learn how to design and use a microcontroller-based PLC.

The book assumes the reader has taken courses in digital logic design, microcontrollers, and PLCs. In addition, the reader is expected to be familiar with the PIC16F series of microcontrollers and to have been exposed to writing programs using PIC assembly language within an MPLAB integrated development environment.

The CD-ROM that accompanies this book contains all the program source files and hex files for the examples described in the book. In addition, PCB files of the CPU and I/O extension boards of the PIC16F648A-based PLC are also included on the CD-ROM.

Building a Programmable Logic Controller with a PIC16F648A Microcontroller PDF

Author(s): Murat Uzam

Publisher: CRC Press, Year: 2014

ISBN: 146658985X

Book Description:

Programmable logic controllers (PLCs) are extensively used in industry to perform automation tasks, with manufacturers offering a variety of PLCs that differ in functions, program memories, and the number of inputs/outputs (I/O). Not surprisingly, the design and implementation of these PLCs have long been a secret of manufacturers. Unveiling the mysteries of PLC technology, Building a Programmable Logic Controller with PIC16F648A Microcontroller explains how to design and use a PIC16F648A-microcontroller-based PLC.
The author first described a microcontroller-based implementation of a PLC in a series of articles published in Electronics World magazine between 2008 and 2010. This book is based on an improved version of the project, including:
Updates to the hardware configuration, with a smaller CPU board and two I/O extension boards that now support 16 inputs and 16 outputs instead of 8
An increased clock frequency of 20 MHz
Improvements to several macros
Flowcharts to help you understand the macros (functions)
In this book, the author provides detailed explanations of hardware and software structures. He also describes PIC Assembly macros for all basic PLC functions, which are illustrated with numerous examples and flowcharts. An accompanying CD contains source files (.ASM) and object files (.HEX) for all of the examples in the book. It also supplies printed circuit board (PCB) (Gerber and .pdf) files so that you can have the CPU board and I/O extension boards produced by a PCB manufacturer or produce your own boards.
Making PLCs more easily accessible, this unique book is written for advanced students, practicing engineers, and hobbyists who want to learn how to build their own microcontroller-based PLC. It assumes some previous knowledge of digital logic design, microcontrollers, and PLCs, as well as familiarity with the PIC16F series of microcontrollers and writing programs using PIC Assembly language within an MPLAB integrated development environment.

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