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Full Description
Instrumentation and control systems are the heart of all processing industries. No process can run without the aid of instrumentation. Instrumentation and control concepts have undergone a drastic change over the past few years.
This book is aimed at graduate level students of instrumentation and process control (electrical and electronics and instrumentation and control disciplines). The book is made up of eight chapters. The first three are devoted to transducers. In these chapters, the emphasis is on transducer signal selection, pneumatic transmitters, smart transmitters, special class thermocouple, nucleonic level gages, and electronic level gages. In the chapter on telemetry, pneumatic transmissions are covered in addition to the usual topics. In the chapter Process Control, three element control systems are described through examples of boiler drum level control. Finally, in Recent Developments & Microprocessor Based Instrumentation System, development of PLC and distributed control systems and instrumentation communication protocol are sdescribed in detail with suitable examples.
Contents
Preface Acknowledgements; 1. TRANSDUCERS - I; 1.1 Introduction; 1.2 Definition of Transducer; 1.3 Classification of Transducer; 1.4 Inverse Transducer; 1.5 Characteristics of Transducers; 1.6 Transducer Elements; 1.7 Secondary Transducer Element; 2. TRANSDUCERS - II; 2.1 Elements of Instrumentation System; 2.2 Transducers and Measurement of Pressure; 2.3 Measurement of Displacement, Velocity; Acceleration and Torque; 3. TRANSDUCERS-III; 3.1 Transducers and Measurement of Temperature; 3.2 Other Considerations; 3.3 Measurement of Flow; 3.4 Measurement of Level; 4. TELEMETRY; 4.1 Introduction; 4.2 Cable Telemetry (Landline System); 4.3 Analog Telemetry; 4.4 Pulse Telemetry; 4.5 Digital Telemetry; 4.6 RF Telemetry; 4.7 Telemetry in Electrical Power System; 5. SIGNAL CONDITIONING AND DATA ACQUISITION SYSTEM; 5.1 Introduction; 5.2 Signal Conditioning; 5.3 Multiplexing; 5.4 Accuracy of Digital Meter; 5.5 Aperture Time for Sample and Hold Mechanism. 6. PROCESS CONTROL; 6.1 Introduction; 6.2 Proportional Control; 6.3 Integral Control; 6.4 Derivative Control; 6.5 Proportional-cum-integral Control (PI Control); 6.6 Proportional-cum-integral-cum-derivative (PID) Control; 6.7 Integral Windup; 6.8 Electronic Controller; 6.9 Pneumatic Controller; 6.10 Selection of Control Technique; 6.11 Three-element Control (Concept of Feed Forward); 7. DISPLAY DEVICES AND RECORDERS; 7.1 Recorders; 7.2 X-Y Plotter; 7.3 Digital Data Display Devices; 8. MICROPROCESSOR BASED INSTRUMENTATION SYSTEM; 8.1 Introduction; 8.2 Interface System Techniques; 8.3 Microprocessor Based Programmable Controller; 8.4 Bus System, Interrupt Services and Communication Protocols; 8.5 PLC (Programmable Logic Controller); 8.6 DCS (Distributed Control System) Bibliography Index.
