Control System Components
IE302 CONTROL SYSTEM COMPONENTS
Objectives:
After completion of this course student will be able to:
Understand the principle of operation ,and selection of different components in order to integrate the control system for given application
ﾂ｡ Work upon logic development, testing of electrical, pneumatic and hydraulic circuit.
Unit 1
Types, working principle, characteristic, and mathematical model of following:
Motors AC/DC motors, stepper, servo, linear, Synchronous, Generators, and alternator
[08 Hrs]
Unit 2
Selection criterion of above components for various industrial applications such as position control, speed control, power generation, machine automation, telemetry, etc.
[08 Hrs]
Unit 3
Types, working principle, characteristics, and symbolic representation of following:
Switches: Toggle, Slide, DIP, Rotary, Thumbwheel, Selector, Limit, Proximity, Combinational switches, zero speed, belt sway, pull cord.
Relays: Electromechanical, Solid state relays, relay packages
Contactors :Comparison between relay & contactor, contactor size and ratings
Timers : On Delay, Off delay and Retentive
[08 hrs]
Unit 4
Sequencing & Interlocking for motors
Concept of sequencing & Interlocking, Standard symbols used for Electrical Wiring Diagram, Electrical Wiring diagrams for Starting, Stopping, Emergency shutdown, (Direct on line, star delta, soft starter) Protection devices for motors: Short circuit protection, Over load Protection, Over/ under voltage protection, Phase reversal Protection, high temperature and high current Protection, over speed, Reversing direction of rotation, Braking, Starting with variable speeds, Jogging/Inching
Motor Control Center: Concept and wiring diagrams
[08 hrs]
Unit 5
Pneumatic components
Pneumatic Power Supply and its components: Pneumatic relay (Bleed & Non bleed, Reverse
& direct), Single acting & Double acting cylinder, Special cylinders: Cushion, Double rod,
Tandem, Multiple position, Rotary Filter Regulator Lubricator (FRL), Pneumatic valves
(direction controlled valves, flow control etc), Special types of valves like relief valve, pressure reducing etc.
Pneumatic Circuits
Sequence diagram (step-displacement) for implementing pneumatic circuits, Standard Symbols used for developing pneumatic circuits, Different Pneumatic Circuits: Reciprocating, Sequencing, Anti-cycle repetition, Block transfer, Speed regulation etc.
[08 hrs]
Unit 6
Hydraulic components:
Hydraulic supply, Hydraulic pumps, Actuator (cylinder & motor), Hydraulic valves.
Hydraulic Circuits:
Standard Symbols for developing hydraulic circuits,
Different Hydraulic Circuits: Meter in, Meter out, Reciprocating, speed control, Sequencing of cylinders, Direction control etc.
[08 Hrs]
Text Books:
ﾂ｡ Electrical Technology, B.L.Theraja.
ﾂ｡ Industrial Electronics, Petruzella
ﾂ｡ Pneumatic Instrumentation, Majumdhar
ﾂ｡ Industrial Hydraulics, Pipenger
Reference Books:
1. Pneumatics, Festo Didactic
2. Hydraulics, Festo Didactic
3. Process control and Instrument technology, C.D.Johnson, TMH.
