EI2402 LOGIC AND DISTRIBUTED CONTROL SYSTEM L T P C
3 0 0 3
To illustrate the concept of programmable logic controllers and distributed control system.
i. To give an introductory knowledge about PLC and the programming languages. ii. To give adequate knowledge about of application of PLC.
iii. To give basic knowledge in the architecture and local control unit of distributed control system.
iv. To give adequate information in the interfaces used in DCS.
v. To give basic knowledge about Computer Controlled 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.
UNIT III COMPUTER CONTROLLED SYSTEMS 9
Basic building blocks of Computer controlled systems – SCADA – data Acquisition System –
supervisory Control – Direct digital Control .
UNIT IV DISTRIBUTED CONTROL SYSTEM 9
DCS - Architectures – Comparison – Local control unit – Process interfacing issues – Communication facilities.
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.
TOTAL : 45 PERIODS TEXT BOOKS
1. Petruzella, ‘Industrial Electronics’, McGraw Hill, Second edition, 1997.
2. Michael P. Lukas, ‘Distributed Control System’, Van Nostrand Reinhold Co., Canada, 1986.
3. John. W. Webb Ronald A Reis - Programmable Logic Controllers - Principles and
Applications, Fourth edition, Prentice Hall Inc., New Jersey, 1998.
1. T. Hughes, ‘Programmable Logic Controllers’, ISA press,2007.
2. Krishna Kant – Computer based Industrial Control, Prentice Hall, New Delhi, 1997.