SPEED CONTROL OF 3 PHASE INDUCTION MOTOR USING PLC S7-200-EM235 & DRIVE (MM)

S.DHARANIPATHY (11MR61)

DISSERTATION SUBMITTED IN PARTIAL FULFILLMENT OF THE MINI PROJECT

MASTER OF ENGINEERING (AE-PT)

BRANCH: ELECTRICAL AND ELECTRONICS ENGINEERING

OF ANNA UNIVERSITY

April 2012

DEPARTRMENT OF ELECTRICAL AND ELECTRONICS

ENGINEERING

PSG COLLEGE OF TECHNOLOGY

(Autonomous Institution)

COIMBATORE-641004

PSG COLLEGE OF TECHNOLOGY

(Autonomous Institution)

COIMBATORE-641004

SPEED CONTROL OF 3 PHASE INDUCTION MOTOR USING PLC S7-200-EM235 & DRIVE (MM)

Bonafide record of work done by

S.DHARANIPATHY (11MR61)

DISSERTATION SUBMITTED IN PARTIAL FULFILLMENT OF THE MINI PROJECT

MASTER OF ENGINEERING (AE-PT)

BRANCH: ELECTRICAL AND ELECTRONICS ENGINEERING

OF ANNA UNIVERSITY

April 2012

…………………… ……………………..Dr. L.Ashok kumar Dr. P.NavaneethanFaculty guide Head of the Department

Certified that the candidate was examined in the viva-voce examination held on …….

…………………. ………………………….(Internal Examiner) (External Examiner)

CONTENTS

CHAPTER Page No.

Acknowledgement………………………………………………….. (i)

1. INTRODUCTION…………………………………………….1

1.1 Need and significance of the project

1.2 Objective of the project

2. SYSTEM IMPLEMENTATION…………………………….3

2.1. Block Diagram Description

2.2 Power supply

3. PROGRAMMING LOGIC CONTROLLER………………..5

3.1 Connecting the S7-200 CPU

3.2 Connecting the RS-232/PPI Multi-Master Cable

3.3 Starting STEP 7--Micro/WIN

3.4 Verifying the Communications Parameters for Micro/WIN

3.5 Establishing Communications with the S7-200

3.6 Creating a Sample Program

3.7 Saving the Sample Project

3.8 Downloading the Sample Program

3.9 Placing the S7-200 in RUN Mode

4. S7-200 EM-235..........................................................................18

4.1 Input Block Diagram for EM 235

4.2 OutPut Block Diagram for EM 235

4.3 Output data word Format For EM 235

5. MICROMASTER Vector Drive…………………………..... 20

5.1 MM Vector Drive

5.2 Block diagram

6. CONCLUSION ………………………………………………24

7. BIBLIOGRAPHY…………………………………………….25

8. APPENDIX I……………………………………………….....26

ACKNOWLEDGEMENT

Dedicating this project to the Almighty whose abundant grace and mercies

enabled its successful completion, we would like to express our profound

gratitude to all the people who had inspired and motivated us to make this

project a great success.

We would like to sincere thanks to Dr.R . Rudramoorthy, principal,

PSG College of Technology for providing us with the facilities necessary to

pursue our project inside the college.

We express our deep sense of gratitude to Dr. P.Navaneethan, Professor and Head, Department of electrical and Electronics Engineering,

PSG college of Technology, for his kind cooperation and guidance throughout

the project.

Our Sincere thanks to Dr. L.Ashok kumar, Assistant Professors and

Mr.M.Anand, Assistant Professors, Department of Electrical and Electronics

Engineering, project guide whose valuable guidance and continuous

encouragement throughout the course made it possible to complete the

project work.

We also thank all the faculty members and technical staffs from the

department of Electrical and Electronics Engineering, PSG College of

technology and also my Sincere thanks to Mr. S. Thirumalairajan Lecturer and

Mrs D. Sujatha Lecturer, Department of Mechatronics Engineering, PSG

Polytechnic College, for constantly supporting us throughout the project work.

Finally, we extend our heartfelt thanks to My Wife, Parents and Friends

for their constant encouragement and moral support.