GTU BE 8th Semester 181701 Control Systems Architecture Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?VIII (old) – EXAMINATION ? SUMMER 2018
Subject Code:181701 Date:02/05/2018
Subject Name:Control Systems Architecture
Time:10:30 AM to 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Draw the basic structure of automation system and explain the control subsystem
in brief.
07
(b) List various active display elements used in HMI and explain its function. 07

Q.2 (a) Discuss the structure of instrumentation subsystem. Also discuss interfacing
standard associated with it.
07
(b) Explain software structure of controller. 07
OR
(b) Explain major modules of hardware structure of controller. 07

Q.3 (a) Explain hybrid control system with suitable example. 07
(b) Give comparison between operator station and operator panel. Also state
advantages and disadvantages of operator station.
07
OR
Q.3 (a) Write a short note on front end processor. 07
(b) Explain two step controls with dead band feature. 07

Q.4 (a) Explain watchdog module with its timing sequence. 07
(b) List out programming language available in DCS and explain any one in detail. 07
OR
Q.4 (a) State advantages and disadvantages of centralized I/O and Remote I/O. 07
(b) Write a short note on availability enhancement in DCS. 07

Q.5 (a) Draw and explain structure of SCADA system and also explain RTU. 07
(b) Explain PID control algorithm. 07
OR
Q.5 (a) Explain application of DCS in oil and gas processing.. 07
(b) Write a short note on ? Strategy of Alarm system Design?.
07
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