JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Data Acquisition Systems: Overview of A/D converter, Types and characteristics – Sampling, Errors, Objective, Building blocks of Automation systems, Counters, Modes of operation- Frequency, Period, Time interval measurements, Pre-scalar, Heterodyne converter for frequency measurement, Single and Multichannel Data Acquisition systems.

UNIT - II

Interfacing and Data Transmission: Data transmission systems, 8086 Microprocessor based system design, Peripheral Interfaces, Time Division Multiplexing (TDM), Digital Modulation–Pulse Modulation, Pulse Code Format – Interface systems and standards, Communications.

UNIT - III

Instrumentation Bus: Introduction, Modem standards, Basic requirements of Instrument, Bus standards, Bus communication, interrupt and data handshaking, Interoperability, Interchangeability for RS-232, USB, RS-422, RS-485.

UNIT - IV

Parallel Port Buses: Field bus, Mod bus, GPIB, IEEE-488, VME, VXI, Network buses– Ethernet, TCP/IP protocols; CAN bus- Basics, Message transfer, Fault confinement.

UNIT - V

Case Studies: PC based DAS, Data loggers; PC based industrial process measurements like flow, temperature, pressure and level development system, CRT interface and controller with monochrome and color video display.

TEXT BOOKS:

• 1. A.J. Bouwens, “Digital Instrumentation”, TATA McGraw-Hill Edition, 1998.
• 2. H S Kalsi, “Electronic Instrumentation”, 2nd Edition, Tata McGraw-Hill, 2006.

REFERENCE BOOKS:

• 1. N. Mathivanan, “Microprocessors, PC Hardware and Interfacing”, Prentice-Hall India, 2005.
• 2. Joseph J. Carr, “Elements of Electronic Instrumentation and Measurements”, 3rd Edition, Pearson Education, 2003.
• 3. Buchanan, “Computer Busses”, Arnold, London, 2000.
• 4. Jonathan W Valvano, “Embedded Microcomputer Systems”, Asia Pvt. Ltd., Brooks/Cole, Thomson, 2001. M. TECH. I YEAR I SEMESTER ELECTRONICS & INSTRUMENTATION