Syllabus - Process Instrumentation-II (EI 601)

Electronics & Instrumentation Engineering

Process Instrumentation-II (EI 601)

VI-Semester

UNIT-1

Introduction to process control. Control system Evaluation, Objective. ON-OFF control. Time proportional control, proportional control, Integral control, Derivative control, Typical PID controller characteristics and related terminology.

UNIT-2

Pneumatic controller: P, PD, PI, PID controllers. Hydraulic controller: P, PI, PD, PID controller, Electronic controller. Complex control schemes: ratio control systems, split range controls, cascade controls, feed forward control. Tuning of controllers: Ziegler-Nicolas methods and other methods.

UNIT-3

Introduction to programmable logic controllers: Evolution, basic block diagram, characteristics, advantages, types, PLC Vs PC. Ladder diagram, Ladder design, development of Ladder diagrams for various logic gates, logics. PLC timers and counters, Application of PLCs: Industrial applications.

UNIT-4

Final control elements: Mechanical, Electrical, Fluid valves: control valve principles, valvesport and plug and characteristics, control valve types, Valve sizing and selection. Type of actuators: Pneumatic actuators, Hydraulic actuators.

UNIT-5

Feedback and connecting elements in the loop flow, pressure level and temperature control loops, Pneumatic transmission, electric transmission, Thermal element lag, pressure element lag.

Practicals

  • Experiment to obtain Pressure-displacement characteristics of Flapper Nozzle amplifier.

  • Experiment to maintain constant flow of liquid using PID controller (flow control system).

  • Study of feedback flow loop from supervisory station.

  • Experiment to maintain constant liquid level in a tank using PID controller (level control system).

  • Study of feedback level control plant from supervisory station.

  • Study of cascade control system.

  • Study of feedback pressure control system.

  • Control of temperature of heating fluid using PID controller (heat exchanger).

  • Study of PLC based rotary bottle filling system.

  • Study of PLC based On-OFF level control system.

  • Study of PLC based Lift simulator.

Reference Books

  • Eckman- Automatic Process Control.

  • D.Patranabis- Principles of Process Control.

  • Curties D. Johnson- Process Control Instrumentation Technology.

  • S. K. Singh - Industrial Instrumentation.

  • Mitra& Gupta- Programmable Logic Controller and Industrial Automation