Parking Control System Using PLC

ixCHAPTER I CONTENTS TITLE PROJECT TITLE REPORT STATUS VERIFICATION FORM STUDENT’S DECLARATION SUPERVISOR’S DECLARATION DEDICATION ACKNOWLEDGEMENT ABSTRACT ABSTRAK CONTENTS LIST OF TABLES LIST OF FIGURES LIST OF ABBREVIATIONS LIST OF APPENDICES INTRODUCTION 1.1 Project Introduction 1.2 Project Objectives 1.3 Problem Statement 1.4 Scope of Work PAGE i Ii iii iv v vi vii viii ix xii xiii xv xvi 1 2 2 3 II LITERATURE REVIEW 2.1 Control System 2.1.1 Elements of Control System 2.1.2 Traditional Control System 2.2 Programmable Logic Controller (PLC) 2.2.1 Historical Background of PLC 2.2.2 Development of PLC 2.2.3 Hardware Design of PLC 2.2.4 Input Adjustment Interface 2.3 PLC Programming 2.3.1 Basic Ladder Diagram 2.3.2 Examples of Ladder Diagram 2.3.3 Logic Instructions (Mnemonics) 2.4 Types of PLC 2.5 PLC Communication 2.5.1 Serial Communication –RS 232 2.5.2 The 20 mA Current Loop 2.5.3 RS422 2.6 PLC Selection 2.6.1 Comparison between PLC and Relay 2.6.2 Comparison between PLC and Computer 2.7 PLC comparison 2.7.1 PLC comparison between other parking system III METHODOLOGY 3.1 Project Methodology 3.2 Project Flow x 4 5 6 7 9 10 11 13 14 14 14 17 19 19 20 20 20 21 22 23 23 24 25 27 IV RESULTS AND DISCUSSION 4.1 First Phase Result: The Development of PLC 4.2 Second Phase Result: Project Result and Analysis V CONCLUSION 5.1 Conclusion 5.2 Project limitation 5.3 Recommendation REFERENCES xi 32 29 34 56 57 58 59 LIST OF TABLES xii NO. TITLES 2.4.1 Classification of PLC 2.7.1 Comparison between other project 4.2.1 Components used PAGE 19 24 54