ESKCET

13EE001 PLC AND DISTRIBUTED CONTROL SYSTEM 3 0 0 3

OBJECTIVES

To give an introductory knowledge about PLC and the programming languages and

application of PLC.

To give basic knowledge in the architecture and local control unit of distributed

control system.

To give adequate information in the interfaces used in DCS.

OUTCOMES

On the completion of the course the students are able to

Gain adequate knowledge about various application of PLC

Analyse the parameters of distributed control systems

Design various interfaces to the digital control systems

UNIT I PROGRAMMABLE LOGIC CONTROLLER 9

Evolution of PLC„s – Components of PLC – Advantages over relay logic – Architecture

of PLC– Programming devices - Discrete and Analog I/O modules – Programming

languages –– Ladder diagram – Programming timers and counters – Design of PLC.

UNIT II APPLICATIONS OF PLC 9

Instructions in PLC – Program control instructions, math instructions, sequencer

instructions – Use of PC as PLC – Application of PLC – Case study of bottle filling

system.

0

UNIT III COMPUTER CONTROLLED SYSTEMS 9

Basic building blocks of Computer controlled systems – SCADA – data Acquisition

System - supervisory Control – Direct digital Control .

0

UNIT IV DISTRIBUTED CONTROL SYSTEM 9

DCS - Architectures – Comparison – Local control unit – Process interfacing issues –

Communication facilities.

0

UNIT V INTERFACES IN DCS 9

Operator interfaces - Low level and high level operator interfaces – Operator displays –

Engineering interfaces – Low level and high level engineering interfaces – General

purpose computers in DCS.

0

UNIT VI STATE OF ART/ADVANCES (NOT FOR EXAMINATION) 9

PLC as Robot – PLC in Motor Speed Control- Practical Implementation of PLC and

SCADA in various electrical fields-case study.

TOTAL: 45

TEXT BOOKS

1. Petruzella, ‗Industrial Electronics„, McGraw Hill, 1996.

2. Michael P. Lukas, ‗Distributed Control System„, Van Nostrand Reinhold Co.,Canada,

1986.

REFERENCES

Hughes, T., A., ―Programmable Controllers - 4th Edition‖, ISA Press, 2005

John W Webb and Ronald A Reis , ―Programmable Logic Controllers – Principles and

Applications‖, Prentice Hall Inc., New Jersey, Third edition, 2003.

BIT

11N702 INDUSTRIAL AUTOMATION 3 1 0 3.5

Objective(s)

impart knowledge about the power line automation

Program Outcome(s) h) an ability to understand the impact of development of automation on global, economic

environmental and societal context

i) an ability to understand the value for life-long learning

k) an ability to use the techniques, skills and modern engineering tools necessary for

engineering practice in the field of industrial automation

Course Outcome As an outcome of completing the course, students will able to:

for complex projects.

protocols.

Unit I Programmable Logic Controller Evolution of PLCs – Components of PLC – Architecture of PLC – Discrete and analog

I/O modules –Programming languages – Ladder diagram – Function block diagram

(FBD) – Programming timers andCounters Math instructions 9 Hours

Unit II PLC SCADA and its Applications Instructions in PLC – Program control instructions, math instructions, data manipulation

Instructions, sequencer and shift register instructions – Case studies in PLC. Introduction

to SCADA– components of SCADA – block diagram – features of SCADA

Instruction list 9 Hours

Unit III Distributed Control System DCS – Various Architectures – Comparison – Local control unit – Process interfacing

issues Communication facilities 9 Hours

Unit IV Interfaces in DCS Operator interfaces - Low level and high level operator interfaces – Displays –

Engineering interfaces – Low level and high level engineering interfaces – Factors to be

considered in selecting DCS – Case studies in DCS Displays 9 Hours

Unit V Communication Protocols Introduction to communication protocols- TCP/IP protocol- HART communicator

protocol – media access

protocol- data link control protocol – Wireless communication(Ip56, Ip58) LAN – PROFI

bus – Mod bus – CAN bus- field bus: introduction – general field bus architecture – basic

requirements of field bus standard – field bus topology – interoperability –

interchangeability RS232 9 Hours

Total: 45 + 15 Hours

Textbook(s) 1. F.D. Petruzella, Programmable Logic Controllers, Tata Mc-Graw Hill, Third edition,

2010

2. Michael P. Lukas, Distributed Control Systems: Their Evaluation and Design, Van

Nostrand Reinhold Co., 1986

3. John Park, Steve Mackay, Edwin Wright, Practical data communications for

instrumentation and control, Newnes/Elsevier, 2003

Reference(s) 1. K. L.S. Sharma, Overview of Industrial Process Automation, Elsevier, 2011

2. John W Webb and Ronald A Resis, Programmable Logic Controller, Prentice Hall of

India Pvt. Ltd., New Delhi, 2009

3. Benjamin C Kuo, Automatic Control Systems, Prentice Hall of India,2007

MURUGAPPA POLYTECHNIC COLLEGE

OBJECTIVES:

Familiarize the functional block diagram of PLC.

Draw the symbols used in ladder diagram.

Develop simple ladder diagram for logic gates.

Learn the applications of timers and counters.

Programming on PLC using techniques.

Verify the ladder logic for different timers and counters

Develop a ladder diagram for different application in manufacturing industries.

Outline conceptual on data communication networks.

Learning the various types of transmission and network models.

Recognize the basic protocols based on communication networks. DETAILED SYLLABUS Unit I BASIC CONCEPTS OF PLC

Introduction of Programmable Logic Controller- Hardwired circuits versus PLC control- Evolution of PLC -Advantages of PLC control- Types of PLC-Relays- Electro Magnetic Relay Control- Basic construction of PLC -Brick style -Rack style PLC -Block diagram of PLC -Processor- Memory-Types of Memory- PLC Input modules - PLC Output modules- Analog Inputs -Analog outputs- Program Scan- Programming Devices-AB Memory organization-Storage memory sections- Remote I/O -operator interface- Message Display- Operator input and display- Printed Reports- Graphic Displays- Time and Date-‘Talking’ to other PLC and Computers 12

Unit II PLC PROGRAMMING

Ladder logic diagram-Symbols used in ladder logic-Rungs-Contacts-Coils-Basic instructions of Ladder programming- Ladder programming for Bit Logic instructions-OR,AND,NOT,NAND, NOR & EX-OR- PLC Timers -classification of Timers-On delay timer-Off delay timer-Retentive timer and non Retentive Timer-Timer Instructions-PLC Counters-operation of PLC counter – counter instructions -Count UP (CTU) - Count down (CTD)- Program control instruction - Data handling instruction-math instruction. 12

Unit III PLC APPLICATIONS

Simple ladder diagrams for DOL, Star-Delta starter. Sequence of the operation and Simple ladder diagrams Multi Cylinder sequence Application using Latch circuit- using counter. Sequence of the operation and Ladder diagram for box conveyor- Sequence of the operation and Ladder diagram for clean room air lock. Programming for a Manufacturing Unit-Chassis Movement-Engine Movement- Car Body Movement-Assembled car Movement. 12

Unit IV INDUSTRIAL COMMUNICATION AND NETWORKING

Introduction-Evolution of Industrial Control Process- Types of Communication Interface -Serial interface RS232 - Serial interface RS422- Serial interface EIA 485. Communication mode-simplex mode - Half Duplex mode- Full Duplex mode. Comparison of different recommended standards. Software protocol-ASCII protocol-HART protocol –Manufacturer specific protocol. Industrial Network. Network Topology-Bus Topology-Ring Topology-Star Topology-Tree Topology. Media Access method-CSMA/CDCSMA/

BA-Master slave one-Token Passing. Open system interconnection network model-application layer-Presentation layer-Session layer-Transport layer-Network layer-Data link layer-Physical layer. Network components. Control Network issues. Advantages of standardized industrial network-open system-Cost Reduction in wiring-Increased information need-Intelligent devices. Industrial Network. Bus Network. Device bus Network Vs Process bus Network. Controller area Network-Characteristics of CAN protocol-CAN Data frame and Communication-CAN Error Detection and confinement. Device net-Physical Layer Features-Communication Features-A Device Net Network. Control Net. Ethernet-Protocol .Proprietary Network. Smart Distributed System. Inter bus-S. Seriplex Bit-Wide Device Bus Network. AS-I Interface-AS-I open Standard for Network Systems at the Process Level-AS-Interface/AS-I System Operation- Operating Reliability and Flexibility. Foundation Field bus-Physical Layer - Communication stack –User Layer. Profibus- Profibus-DP- Profibus-FMSProfibus- PA - Application of Profibus for Real PLC Communication. Unit V SUPERVISORY CONTROL AND DATA ACQUISITION SYSTEM & DISTRIBUTED CONTROL SYSTEM

Evolution of SCADA- Channel Scanning- Conversion to Engineering Units Interrupt Scanning-Data Processing- Distributed SCADA System-Remote terminal unit-Wireless communication-Satellite communication-Fiber optic communication- application of SCADA. Distributed Control system

Distributed Digital control system-Introduction-History-Distributed Vs Centralized-Advantages of distributed control system-Function Requirements of distributed control system-planned operator Requirements-Maintenance Engineers Requirements-Design Development engineers Requirements- Manager/supervisor Requirements-Distributed Control system Evaluation- System Architecture-Hierarchy for Distributed Control system- Application of Distributed Control system. Text Books:

1. K. Clements- Jewery & W. Jeffcoat,The PLC Work book ,Prentice Hall of India (P) Ltd., New Delhi. 2. Madhuchhanda Mitra, Samarijit Sen Gupta Programmable Logic Controllers and Industrial Automation 3. W. Bolton, Programmable Logic Controllers, Fifth Edition Reference Books:

1. Frank D. Petruzella , Programmable Logic Controllers, Third Edition-Tata McGraw-Hill 2. Pradeep Kumar & Srivashtava , Programmable Logic Controller- BPB Publications. 3. Richard A. Cox, Programmable Controllers- Vikas Publishing Houses-2001. 4. Krishna Kant, Computer based Industrial Control-Hall of India (P) Ltd., New Delhi.

KSRCT

MC 613 PROGRAMMABLE LOGIC CONTROLLER L T P C

3 0 0 3

Objectives

This subject is intended to help the students to understanding the basic of PLC and its

applications in automation. Programming of PLC is much required in the emerging field

of automation.

Unit I PLC Introduction – components – principle of operation – PLCs versus computers - PLC sizes. PLC hardware components – I/O section, Analog I/O section, Analog I/O Modules, digital I/O Modules, CPU Processor Memory Modules, Programming Devices, Diagnostics of PLCs with computers. Unit II PLC Programming PLC Programming simple instructions – Programming EXAMINE ON and EXAMINE OFF instructions – Electromagnetic control relays, Motor starters, Manually operated switches, Mechanically operated and proximity switches – Output control devices, Latching relays – PLC Ladder diagram, converting simple relay Diagram into PLC relay Ladder Diagram. Unit III Timers and Counters Mechanical Timing Relay, ON DELAY timer and OFF DELAY timer instructions, retentive timer, cascading timers – counter instructions, Up/Down Counters, Cascading counters, Incremental encoder –ocunter applications. Unit IV Program Control Instructions Introduction, Master control and Zone Control, JUMP instructions and subroutines, immediate input and output, forcing external I/O address – Data Manipulating instructions; Manipulation, transfer operations, compare, manipulation programs – math instructions; addition, subtraction, multiplication, division. Unit V Applications Simple materials handling applications – automatic control of warehouse door – automatic lubricating oil supplier – conveyor belt motor control – automatic car washing machines – bottle label detection process control appliocation.

Total Hours: 45 Text Book 1. Frank D. Petruzella “Programmable Logic Controllers” Career Educatiopn; 4th Edition,2010 Refrence(s) 1. Mdhuchhanda Mitra, Samarjit Sen Gupta, “Programmable Logic Controllers and Industrial Automation, An Intrduction” Penram internationalPublishing Limited. 2. Siemens “PLC Handbook”.

PSG CT

08U702 LOGIC AND DISTRIBUTED CONTROL SYSTEMS

3 1 0 3.5

REVIEW OF COMPUTERS IN PROCESS CONTROL: Data loggers- Data

Acquisition Systems (DAS)- Direct Digital Control (DDC). Supervisory - Control

and Data Acquisition Systems (SCADA) - sampling considerations – Funct ional

block diagram of computer control systems - Digital controller modes: Position

and Velocity form of PID controllers. (9)

PROGRAMMABLE LOGIC CONTROLLER (PLC) BASICS: Definition -

overview of PLC systems - input/output modules - power supplies and isolators -

General PLC programming procedures - programming on-off inputs/ outputs -

Auxiliary commands and functions - PLC Basic Functions - register basics -

timer functions - counter functions. (9)

PLC INTERMEDIATE FUNCTIONS: Arithmetic functions - comparison functions

- Skip and MCR functions - data move systems - PLC Advanced intermediate

functions - sequencer functions - matrix functions - PLC Advanced functions:

Alternate programming languages - analog PLC operation - networking of PLC -

PLC-PID functions - PLC installation - troubleshooting and maintenance - Design

of interlocks and alarms using PLC. (9)

DISTRIBUTED CONTROL SYSTEMS (DCS): Definition - Local Control Unit

(LCU) architecture - LCU languages - LCU - Process interfacing issues -

communication facilities - redundancy concept – case studies in DCS.

(15) Total 42

TEXT BOOKS:

1. John W Webb and Ronald A Reis, “Programmable Logic Controllers -

Principles and Applications”, Fifth Edition, Prentice Hall Inc., New Jersey,

2005.

2. Lukcas M P, “Distributed Control Systems”, Van Nostrand Reinhold Co.,

New York, 1986.

3. Frank D Petruzella, “Programmable Logic Controllers”, Third Edition,

McGraw Hill, New York, 2005.

REFERENCES:

1. Deshpande P B and Ash R H, “Elements of Process Control Applications”,

ISA Press, New York,1995.

2. Curtis D Johnson, “Process Control Instrumentation Technology”, Seventh

Edition, Prentice Hall, New Delhi, 2002

3. Krishna Kant, “Computer-based Industrial Control”, Prentice Hall, New

Delhi, 2004.

KCT R13

U13MCT603 PROGRAMMABLELOGIC

CONTROLLER Course Objectives To explain the operation of relays, pushbuttons, limit switches, and other basic control devices.

Using ladder diagrams, design basic motor control circuits.

Describe the hardware of a PLC, identifying the functions of the main components.

To explain the PLC programs to perform specified discrete sequential control operations.

Configure a PLC, including choosing appropriate addressing for I/O for a specified application.

Course Outcomes After successful completion of this course, the students should be

able to Explain and use relays, pushbuttons, limit switches, and other basic control devices for automation.

Describe the hardware and architecture of PLCs and also identify the analogy of relay logic components.

Write PLC programes using ladder diagrams for complex applications.

Summarise various maintenance procedures practiced in industry for PLC based control systems.

Course Content INTRODUCTION 9 Hours Programmable controller – need for PLC – modular

PLC and fixed PLC – block diagram of PLC – input and output modules – power supply – types of

PLC system. HARDWARE MODULES 9 Hours CPU – processor‟s function – processor‟s

operating system – processor ports –interfacing PC to PLC – processor operating modes – PLC

system memory and application memory – input modules – output modules – module selection –

PLC internal operation and signal processing – input and output processing – timing consideration.

PROGRAMMING OF PLC SYSTEM 9 Hours Introduction to IEC 61131 - System functions –

sequence control – ladder logic – programming sequences – limitation of ladder programming – logic

instruction sets – standard PLC functions – special function relays – data handling instructions –

arithmetic instructions – data manipulation – program subroutines – programming examples. PLC

COMMUNICATION AND DCS 9 Hours PLC communication ports – serial communications – RS232 – standard requirements –

communication between several PLCs – PLC field bus - ManufacturingAutomation Protocol (MAP)

– Technical Office Protocol (TOP) - Distributed control system (DCS) – building blocks –

descriptions and functions of field controlled units – operator stations – data highways – redundancy

concepts – DCS system integration with PLC and computers – communication in DCS. PLC

MAINTENANCE AND CASE STUDIES 9 Hours PLC maintenance – internal PLC faults – faults

external to PLC – programmed error – watch dogs – safety – hardware safety circuits –

troubleshooting. Case Studies: PLC as robot controller and FMS – PLC to factory automation – PLC

in process control Total Hours: 45

REFERENCES: 1. Frank D. Petruzella, “Programmable Logic Controllers”, McGraw-Hill Companies, 3rdEdition, March 2013.

2. Lukcas M.P., “Distributed Control Systems”, Van Nostrand Reinhold Co., New York, 1986.

3. Ian G.Warnock, “Programmable Controllers Operation and Application”, Prentice

Hall International, UK, 1992. 4. John W. Webb and Ronald A.Reis, “Programmable Logic Controllers – Principles and Applications”, Prentice Hall Inc., New Jersey, 3rdEdition, 1995. 5. Krishnakant , “Computer Based Industrial Control”, Prentice Hall of India, 1997.

University of Pune R2008

403141: PLC and SCADA Application Unit I (8) Introduction to PLC: Definition & History of PLC, Overall PLC system, PLC Input & Output modules, central processing unit, CPUs & Programmer/monitors, Solid state memory, the processor, Input modules (Interfaces), Power supplies, PLC advantages & disadvantages. Selection criteria for PLC. Unit II (8) Programming of PLC: Programming equipments, proper construction of PLC ladder diagram, Basic components & their symbols in ladder diagram, Fundamentals of ladder diagram, Boolean logic & relay logic, and analysis of rungs. Input ON/OFF switching devices, Input analog devices, Output ON/OFF devices, Output analog devices, programming ON/OFF Inputs to produce ON/OFF outputs. Unit III (8) Advanced PLC Function: Analog PLC operation, PID control of continuous processes, simple closed loop systems, problems with simple closed loop systems, closed loop system using Proportional, Integral & Derivative (PID), PLC interface, and Industrial process example. Motors Controls: AC Motor starter, AC motor overload protection, DC motor controller, Variable speed (Variable Frequency) AC motor Drive. Unit IV (8) SCADA Systems: Introduction and definitions of SCADA, Fundamental principles of modern SCADA systems, SCADA system evolution. Basic SCADA system Architecture: Human Machine Interface, Master Terminal Unit, Remote Terminal Unit. SCADA data transfer through PLCC. Communication Technologies, Communication system components, SCADA Communication in an electrical power system. SCADA system desirable Properties, Real Time System, SCADA server, SCADA functions. Unit V (8) SCADA Architecture: First generation - Monolithic, Second generation - Distributed, Third generation – Networked Architecture, Intelligent Electronic Devices. Operation and control of interconnected power system, Automatic substation control, SCADA configuration, Energy management system, system operating states, system security, State estimation, SCADA system security issues overview. SCADA systems in the critical Infrastructure: Petroleum Refining Process, Conventional Electric Power Generation, water Purification System, Chemical Plant. Unit VI (8) The Evolution of SCADA Protocols: Overview of Open systems interconnection (OSI) Model, Functions of OSI Model Layers, OSI Protocols, Functions of Transmission control protocol / Internet protocol (TCP/IP) Layers, TCP/IP protocol, DNP3 protocol, IEC61850 layered architecture, Control and Information Protocol (CIP), DeviceNet, ControlNet, EtherNet/IP, Flexible Function Block process (FFB), Process Field bus (Profibus), The Security Implications of the SCADA protocols. List of Experiments: Note: Minimum 10 experiments should be conducted. a) Experiment No. 1, 2, and 3 is compulsory. b) Any 2 experiments should be conducted from experiment number 4 to 9. c) Any 5 experiments should be conducted from experiment number 10 to 17. 1) a) Interfacing of lamp & button with PLC for ON & OFF operation. b) Performed delayed operation of lamp by using push button. 2) a) Multiple push button operation with delayed lamp for ON/OFF operation. b) Combination of counter & timer for lamp ON/OFF operation. 3) Set / Reset operation: one push button for ON & other push button for OFF operation. 4) DOL starter & star delta starter operation by using PLC.

5) PLC based temperature sensing using RTD. 6) PLC based thermal ON/OFF control. 7) Interfacing of Encoder with PLC (Incremental/Decremental) 8) PLC based speed, position measurement system. 9) Development of Dynamos & relating with parameters of PLC. 10) PLC interfaced with SCADA & status read/command transfer operation. 11) Parameter reading of PLC in SCADA. 12) Alarm annunciation using SCADA. 13) Reporting & trending in SCADA system. 14) Tank level control by using SCADA. 15) Temperature monitoring by using SCADA. 16) Speed control of Machine by using SCADA. 17) Pressure control by using SCADA. Industrial Visit: Compulsory visit to SCADA and PLC based automation industry. Text Books: 1) Gary Dunning, “Introduction to Programmable Logic Controllers”, Thomson, 2nd Edition 2) John R. Hackworth, Frederick D., Hackworth Jr., “Programmable Logic Controllers Programming Methods and Applications” 3) John W. Webb, Ronald A. Reis, “Programmable Logic Controllers: Principles and Application”, 5th Edition 4) Ronald L. Krutz, “Securing SCADA System”, Wiley Publishing 5) Stuart A Boyer, “SCADA supervisory control and data acquisition” Reference Books: 1) Batten G. L., “Programmable Controllers”, McGraw Hill Inc., Second Edition 2) Bennett Stuart, “Real Time Computer Control”, Prentice Hall, 1988 3) Doebelin E. O., “Measurement Systems”, McGraw-Hill International Editions, Fourth Edition, 1990 4) Gordan Clark, Deem Reynders, “Practical Modem SCADA Protocols” 5) Krishna Kant, “Computer Based Industrial Control”, PHI 6) M. Chidambaram, “Computer Control of Process”, Narosha Publishing 7) P. K. Srivstava, “Programmable Logic Controllers with Applications”, BPB Publications 8) Poppovik Bhatkar, “Distributed Computer Control for Industrial Automation”, Dekkar Publications 9) S. K. Singh, “Computer Aided Process Control”, PHI 10) Sunil S. Rao, “Switchgear and Protections”, Khanna Publication 11) Webb J. W, “Programmable Controllers”, Merrill Publishing Company, 1988

SIKSHA O ANUSANDHAN UNIVERSITY, BHUBANESWAR, ORISSA, INDIA

EE-415 SCADA (3-0-0) MODULE-I (13 Hours) Introduction to SCADA and PLC: SCADA: Data acquisition system, evaluation of SCADA, communication technologies, monitoring and supervisory functions.PLC: Block diagram, programming languages, Ladder diagram, Functional block diagram, Applications, Interfacing of PLC with SCADA. SCADA system components: Schemes, Remote Terminal Unit, Intelligent Electronic Devices, Communication Network. MODULE-II (12 Hours) SCADA Architecture Various SCADA Architectures, advantages and disadvantages of each system, single unified standard architecture IEC 61850 SCADA / HMI Systems SCADA Communication Various industrial communication technologies- wired and wireless methods and fiber optics, open standard communication protocols Operation and control of interconnected power system Automatic substation control, SCADA configuration, Energy management system, system operating states. MODULE-III (12 Hours) System security, state estimation. SCADA applications Utility applications, transmission and distribution sector operation, monitoring analysis and improvement. Industries oil gas and water. Case studies, implementation, simulation exercises TEXT BOOKS 1. Stuart A Boyer, SCADA supervisory control and data acquisition, 2. Gordan Clark, Deem Reynders, Practical Modem SCADA Protocols, REFERENCE BOOKS 1. Sunil S. Rao, Switchgear and Protections, Khanna Publication

Duration : 60 hours (3 Hours per day)

1.Programmable Logic Controllers (PLC)

Architecture of PLC- different modules, power supply unit etc

Need of PLC in designing.

Different types of sensors- sinking, sourcing, NPN, PNP.

Monitoring the process through sensors- connection details.

Analog addressing, continuos process monitoring and control.

Different types of controllers- ON/OFF, Proportional, Derivative, Integral

and PID control.

PLC Programming of branded PLCs.

NO/ NC concept.

Data file handling- forcing I/O.

Wiring and fault correction.

Programming practices.

2. Introduction to SCADA.

SCADA Packages

Role of SCADA in industrial automation

SCADA system configuration, RTU, communication protocols.

Script programming.

Real time and historical trend.

Configuring Alarms.

Real time project development with PLC interfacing.

Communication with other software.

3.Control Panel Designing

Different types of panels.

Basic components to be installed in a panel.

Wiring details of panel.

Specification and physical dimension of components.

Earthing and Cabling of Panels- standard procedures.

P&I diagram preparation

KCE

11MM202 INTEGRATED AUTOMATION CONTROLLER 3 1 0 4 Objectives:

To understand the need of automation

Learn about the various technology development in industrial automation

Learning of basic PLC concepts & programming techniques

Understanding SCADA & DCS industrial automation functions

Case studies in DCS MODULE – I 15 Programmable Logic Controllers and Programming: Introduction – Parts of PLC – Principles of operation – PLC sizes – PLC hardware components – I/O modules – Programming devices – Types of programming – Simple instructions – Latching relays PLC ladder diagram, Converting simple relay ladder diagram in to PLC relay ladder diagram. Timer instructions – On Delay, Off Delay and Retentive Timers – Counter instructions – Up Counter, Down Counter and Up Down Counters, control instructions – Data manipulating instructions, match instruction – Level of industrial control. MODULE – II 15 Networking of PLC and SCADA: Networking of PLCs – Network communication – OSI Model types – OPC function. Supervisory Control and Data Acquisition – Architecture – development and runtime mode functions, Tools – tag database, recipe database – log, trace – alarm logging –Trend –on line, off line – Security and user access management, Management Information System– report function. MODULE – III 15 Distributed Control System and Case Studies: Evolution – Architectures – Comparison – Local control unit – Process interfacing issues – Communication facilities. Operator interfaces – Low level and high level operator interfaces – Operator displays – Engineering interfaces – Low level and high level engineering interfaces – Applications of DCS in – Pulp and paper environment – Petroleum – Refining environment.

Lecture: 45, Tutorial: 15, TOTAL: 60

REFERENCE BOOKS 1. Petruzella Frank D., “Programmable Logic Controllers”, Third edition, Tata

McGraw–Hill, 2010. 2. Lucas, M.P., “Distributed Control System”, Van Nonstrand reinhold Co. NY, 1986. 3. Webb, John W. “Programmable Logic Controllers: Principles and Application”,

Fifth edition, Prentice Hall of India, New Delhi, 2004. 4. McMillan, G.K. “Process / Industrial Instruments Handbook”, Fifth edition, Tata

McGraw-Hill, New Delhi, 1999.

5. www.opcfoundation.com

6. www.progea.com

7. www.rockwellautomation.com

8. Rockwell automation RSVIEW32 Manual -2010

SRM University MH1025 PLC AND ITS APPLICATIONS PURPOSE To provide students the fundamentals of PLC, Data acquisition system and Application. INSTRUCTIONAL OBJECTIVES

1. To understand the fundamental of PLC 2. To understand the basic of data conversion and data acquisition 3. To understand the operation of PLC programming 4. To ability to design application related experiment UNIT I - INTRODUCTION TO COMPUTER CONTROL (10hours) Need of computer in a control system-Functional block diagram of a computer control system-Data loggers-Supervisory computer control- Direct digital control Digital control interfacing-SCADA.(Elementary treatment only). UNIT II - DATA CONVERTERS (4 hours) DACs-Basic DAC Techniques-Weighted Resistor, R-2R Ladder and Inverted R-2R ladder type DACs- ADCs - Parallel ADC, Dual slope ADC, Successive Approximation ADC-Comparison of A/D conversion techniques- DAC/ADC specifications - Typical IC's for DAC, ADC - Isolation amplifiers. UNIT III - DATA ACQUISITION SYSTEMS (12hours) Sampling theorem - Sampling and digitising - Aliasing - Sample and hold circuit Practical implementation of sampling and digitising - Definition, design and need for data acquisition systems - Interfacing ADC and DAC with Microprocessor / Multiplexer - Multiplexed channel operation -Microprocessor/PC based acquisition systems. UNIT IV - PLC (10 hours) Evolution of PLC's - Sequential and programmable controllers – Architecture Programming of PLC - Relay logic - Ladder logic - Gates, Flip flops and Timers. UNIT V - COMMUNICATION IN PLC's (9 hours) Requirement of communication networks of PLC - connecting PLC to computer Interlocks and alarms - Case study of Tank level control system and Sequential switching of motors.

TEXT BOOKS 1. Petrezeulla, “Programmable Controllers”, McGraw Hill, 1989. 2. Hughes .T, “Programmable Logic Controllers”, ISA Press, 1989. 3. Clayton.G.B, “Data Converters” , The Mac Millian Press Ltd., 1982.

REFERENCES 1. Curtis D. Johnson “Process Control Instrumentation” Tech 8TH Edition Prentice Hall June 2005. 2. Roy Choudhury.D and Shail B.Jain, “Linear Integrated circuits”, New age International Pvt.Ltd, 2003.