PLC


Unit I: AUTOMATION
• Introduction to Automation
• Definition
• Role of Automation
• Industrial Applications
• History of Automation

Unit II: AUTOMATION COMPONENTS
• Automations Components
• Relays
• Concept of relays
• Relay wiring for logic gates
• Switches and its types
• Sensors
a) Optical Sensors
b) Capacitive Sensors
c) Inductive Sensors
d) Ultrasonic Sensors
e) Hall effect
f) Fluid flow Industrial Sensors
g) Angular displacement (Potentiometers, Encoders, tachometers)
h) Linear Position (LVDT)
i) Forces and Moments (Strain gages, Piezoelectric)
j) Liquids and Gases (Pressure, Venturi valves, Magnetic and Ultrasonic flow meter, Pilot Tubes)
k) Temperature(RTDs,Thermocouples, Thermisters)
l) Light (LDR)

• Control Actuators
a) Solenoids
b) Valves
c) Hydraulics
d) Pneumatics

Unit III: PLC (Programmable logic controller)

• PLC (Programmable logic controller)
• Introduction
• Advantages of PLC control Panel
• Architecture of PLC
• Functions of various Blocks that make PLC
• Working principle of PLC
• Memory types
• Different types of Input/Output circuits
• Concept of inputs and outputs
a) Concept of Digital inputs and outputs
b) Concept of Analog inputs and outputs
• Concept of PLC scan cycle
• Concept of sink and source input/ output cards
a) Programming Methods
b) Programming devices
c) Programming with PLC
d) Basic Instructions - NO and NC contacts
e) Boolean gates – symbols and truth tables
f) Ladder Logic
g) Concept of latching and unlatchingTimers and counters
• Maintenance and Trouble Shooting of PLC
• Selection of PLC
• Applications

Unit IV: ALLEN BRADLEY PLC
• Allen Bradley PLC
a) Allen Bradley Pin configuration and technical specification
b) Introduction to RSLinx Software
c) Introduction to RSLogix 500 Software

• Programming Instructions
a) User and Bit functions
b) Timer and Counters
c) Input/Output
d) Compare Instructions
e) Compute/math Instructions
f) Move and Logical Instructions
g) File Shift and sequencer Instructions