Electronic Instrumentation1. Sort Note 06/09/2012
Shared by: Manjeet Kumar(OPJEC) 2. Book-1 06/09/2012
Shared by: Manjeet Kumar(OPJEC) |
Electronic Instrumentation SyllabusUNIT I: Digital electronic instruments Introduction, specifications of digital meters, resolution, sensitivity, accuracy, average/true root mean square, crest factor, form factor, normal mode rejection ratio, common mode rejection ratio, effective common rejection ration, zero or offset frequency response, input resistance, input bias current. Digital voltmeters, Ramp technique, dual slope integrating type DVM, digital frequency meters, digital multimeters, digital tachometer, digital pH meter, digital phase meter, digital capacitance meter. UNIT II: Transducers Passive and active electrical transducers: resistive, capacitive, inductive, piezoelectric, photovoltaic, Hall effect transducers, selection of transducers, transducers characteristics, semiconductor photo-diode, photo transistor, frequency generating transducers, pressure inductive transducers, LVDT, differential output transducer, thermistor, strain gauge, measurement of angular and linear velocity using electrical transducers, reluctance pulse pick-ups, AC tachogenerators. UNIT III: Data acquisition system (DAS) and recorders Introduction of DAS, objective of DAS, signal conditioning of inputs, single and multi-channel DAS, computer based DAS, sample and hold, multiplexing, D/A, A/D conversion, general description of Data loggers, digital transducers, optical encoders, resistive digital encoders, shaft encoders. Recorders: introduction, Strip chart recorders, general description of XY recorders, galvanometer type recorders, potentiometric recorders. UNIT IV: Oscilloscope & Signal Generations Introduction, Basic Principal, CRT Feature, Block diagram of oscilloscope, simple CRO, Vertical amplifier, horizontal defecting system Triggered source CRO, typical CRT connection, measurement of Frequency & phase by Lissajous Figures, types of Probes, Passive & active voltage probes, Current probes, logic probes, Optical probes. Signal generator: Introduction, sine wave generators, audio Frequency and Radio frequency signal generation, Function generators, Sequence & phase generators UNIT V: PLC & Distributed control system (DCS) PLC: Introduction of PLC, PLC structure & operations response time, Basic ladder diagram, PLC resisters, Timer & counters, PLC, DC & AC i/ps. Module for PLC, Basic Process of PLC, PLC Hard wear & Configuration PLC hard ware components. DCS: Introduction, advantage & Disadvantage of DCS techniques, system Configuration, DCS Process Control. |