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*JEP1093*

JEP – 1093

Third Semester M.E. (Control and Instrumentation) Degree Examination, July 2014 (2K8 Scheme) CI – 311 : SCADA AND DISTRIBUTED CONTROL SYSTEMS Time : 3 Hours

Max. Marks : 100

Instruction : Answer any five full questions. 1. a) What is Automation ? Discuss the process automation in factory.

10

b) Describe the operation of ISO Protocol (Network Standard) reference model. 2. a) Describe the operation of PLC system with a neat block diagram. b) What are the important roles of HMI in Industrial Automation ? Discuss.

10 10 10

3. a) Describe the operation of the following with respect to SCADA system. i) Channel scanning. ii) Converting into engineering units. iii) Data processing. b) What are protocols ? Explain different communication protocols in SCADA systems. 4. a) Describe the architecture of SCADA system. b) Describe the operation of field devices and explain how one can interface these field devices with SCADA systems. 5. a) Explain the architecture of Distributed Control System with necessary diagrams.

12 8 10 10 10

b) With reference to Distributed Control System explain the following : i) Operator interface ii) Engineering Interface.

10

P.T.O.

*JEP1093*

JEP – 1093

6. a) Explain the roles and responsibilities of following members in DCS : i) Designer/Developer ii) Manager

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b) Describe the operation of communication system in distributed control system. 10 7. Write short notes on the following : a) Ethernet b) Vertical Integration of Industrial Automation c) Role of PLC in DCS and SCADA d) ALARM in SCADA system. _______________

(5×4=20)

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