1. Khulna University of Engineering & Technology
Department of Electrical & Electronic Engineering
Course No: EE 4200
Presentation on
Implementation of PLC Based Industrial Automatic
Control System
(Conveyor Control, Box Movement Control & Micro
Robotic Arm Control)
 Presented By:
Nissan Imam
Roll: 1103047
Dept. of EEE,KUET.
 Supervised By :
Dr. Mohammad Shaifur Rahman
Professor
Dept. of EEE,KUET.

2. 1. What is Industrial Automation?
2. Benefits of Automation
3. ICS-Industrial Control Systems
4. Conceptual Diagram of PLC
5. Fundamentals & Basic Parts of PLC
6. Input & Output Modules
7. Operation of PLC & its Programming
Languages
8. Siemens LOGO! Module & Software
10. Ladder Diagram & Available
Functionality
11. Conceptual Representation of the
Project
12. Ultrasonic Sensor, Servo Motor, PLC
Module
13. Micro Robotic Arm Mounted with
Ultrasonic Sensor
14. Entire Implemented Project
15. Conclusion
Content

3. What is Industrial Automation?
 Art of mechanization in field of
industrialization.
 Use of control system such as
1. Computers
2. Robots or
3. Information technologies.

4. Benefits of Automation
High productivity
High Quality
High flexibility
High Information Accuracy
High safety
Lower operating cost
Less manpower
Less product cost

5.  Types of control system
used in industries:
DCS
SCADA
PLC
 Why PLC is more preferable?
1. Well-defined platform for both
software & hardware.
2. Faster response time.
3. Less & simpler wiring.
4. Controlling industrial sensors more
preciously & accurately.
5. Easy to design logic diagrams &
maintain system performance.
6. Handles much more complicated
system.
ICS-Industrial Control Systems

6. Conceptual Diagram of PLC
Fig-1: Illustration of conceptual diagram of PLC application

7. Fundamentals of PLC
Fig-2: Basic modes of relay

8. Fundamentals of PLC
Fig-3: Operation of relay without supply main

9. Fundamentals of PLC
Fig-4: Operation of relay with supply main

10. Basic Parts of PLC
Fig-5: Simplified block representation of PLC

11. Input Modules
Nature of input classification:
Low/high frequency
Analog/digital (two-bit, multi-bit)
Maintained or momentary
5V/24V/110V/220V switched
Examples of input
modules are:
 Limit switches
 Proximity switches
 Push buttons etc.

12. Output Modules
Output modules can be used for devices such as
 Solenoids
Relays
Contractors
Pilot lamps
Led readouts.
PLC also has programming & communication unit.

13. Operation of PLC
Check Input Status Execute Programs
Updates Output
Status
The time to scan depends upon following parameter:
 Scan rate
 Length of the program
 Types of functions used in the program

14. PLC Programming Languages
Ladder logic programming
Functional block programming
Sequential block programming
User defined programming
Instruction list programming

15. Common names of PLC’s Available
ABB PLCs (Asea Brown Boveri)
Siemens PLCs
Omron PLCs
Mitsubishi PLCs
Hitachi PLCs
Delta PLCs
Modicon PLCs

16. LOGO! Software
The software has the following functions:
Offline program generation of your application.
Simulation of your circuit (or program) on the computer.
Generation and printing of a block diagram of the circuit.
Saving the program to the hard disk or another storage medium.
Program transfer
– From LOGO to the PC.
– From the PC to LOGO.

17. Ladder Diagram/Programming
A graphical diagram based on the circuit diagrams of relay logic
hardware.
 Rung Input : Checkers (contacts)
—[ ]— Normally open contact,
—[]— Normally closed ("not") contact,
 Rung Output: Actuators (coils)
—( )— Normally inactive coil,
—()— Normally active ("not") coil,

18. Available Functionality
Basic functions
AND gate
OR gate
NAND gate
NOT gate
XOR gate
Special functions
On/off delay
Retentive on delay
Latching relay
Current pulse relay
Up/down counter
Edge-triggered interval time relay
Operating hour counter
As/symmetrical clock pulse generator
Frequency generator etc.

19. Conceptual Representation of the Project
Fig-6: Illustration of concept of industrial automation using PLC

20. Ultrasonic Sensor
Pin Configuration:
 VCC
 Trigger (T)
 Echo (E)
 GND
Fig-7: Pictorial view ultrasonic sensor

21. Servo Motor
Pin Configuration:
VCC
GND
Digital pin (PWM)
Fig-8: Pictorial view of servo motor.

22. PLC Module
8 Inputs
Display
Power Input
Menu
Button
4 Outputs
Fig-9: LOGO Siemens Module

23. Micro Robotic Arm Mounted with Ultrasonic Sensor
Fig-10: Front view of the base Fig-11: Side view of the base

24. Entire Implemented Project
Fig-12: Hardware Implementation the whole project using PLC

25. Conclusion
The thesis is studied about sophisticated control over industrial
appliances. A control system is developed to integrate different facilities
such as conveyor control, box or product movement control, box
stamping with a unique controller device named Programmable Logic
Controller (PLC). The project that have undertaken will help to gain a
better perspective on various aspects related to course of study as well as
practical knowledge of automation.