Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411004 3 IV .ester(R07)Regular s, ember/ember PC BASED INSTRUMENTATION - Question Paper

Code :R7411004 3
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 Basic Building blocks of Data Acquisition and control and discuss Computer(PC)
interfacing of these blocks?
2. (a) define PC expansion bus architectures with block diagram.
(b) define back-plane bus-VXI
3. (a) discuss ¯le speci¯cations and extensions of DOS.
(b) define internal and external DOS commands.
4. define in detail every block of the PLC including the battery backup system with the help of
block diagram.
5. discuss the functions of holding and I/O registers in a PLC.
6. Write short notes on
(a) Matrix functions of a PLC
(b) Sequencer functions of a PLC
7. discuss networking of PLC.
8. define smart transmitters, valves and actuators.

Earning:   Approval pending.