Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411004 1 IV .ester(R07)Regular s, ember/ember PC BASED INSTRUMENTATION - Question Paper

Code :R7411004 1
IV B.Tech.I Semester(R07)Regular Examinations, November/December 2010
PC BASED INSTRUMENTATION
(Electronics & Instrumentation Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. Draw the functional block diagram of a PC and define PCI bus in detail?
2. (a) elaborate remote I/O modules used in data acquisition and control? discuss with a
diagram.
(b) What is meant by con¯guring of add-on card?
3. (a) Di®erentiate C and C++ programming.
(b) Show how the function is called by the main program. provide 1 example.
(c) Show how 1 or more parameters are passed to the Function.
4. provide generic PLC architecture and discuss how it is useful as a process control computer with
the help of suitable example.
5. discuss PLC timer and counter functions with diagrams. provide example.
6. Write short notes on:
(a) Number comparison functions of a PLC
(b) Utilizing digital bits of a PLC.
7. (a) define different major kinds of PLC analog inputs and outputs.
(b) define the internal PLC operation for analog I/O.
8. (a) What is a ¯eld bus?
(b) discuss the operation of ¯eld bus with a neat diagram.

Earning:   Approval pending.