This document provides an overview of programmable logic controllers (PLCs) and supervisory control and data acquisition (SCADA) systems used for industrial automation. It discusses what PLCs and SCADA are, their major components and programming languages, and how they are used to automate processes in factories by controlling devices like motors and pumps. The document also lists some common PLC and SCADA brands, advantages of using these systems like increased productivity and safety, and potential applications in areas like water treatment plants.

1. A Presentation on
PLC AND SCADA
Under Guidance of
prof.Avinash chavan
Department of Electrical Engineering
NBN Sinhgad School of Engineering,Pune
By
Yogesh Lahudas Zodge
Roll No. 73

2. INDEX
• Automation
• Types of Automation
• What is PLC ?
• Need of PLC brands and software used
• Major component of PLC
• PLC operational sequence
• Programming language of PLC

3. INTRODUCTION
• PLC-Programmable logic controller
• SCADA- Supervisory control and data acquision
• These are the tools of industrial automation. Used for
the automation process in factories to control the
motors, conveyor belts, valves, pumps. SCADA is used
for monitoring your plant. It is entirely software part
which interacts with the plant through PLC. Plc is a
combination of Hardware and software which is a kind
of programmable controller operated in 24v Dc.
Programming language of PLC is LADDER LOGIC
PROGRAMMING based on logic gates.

4. • 1. AUTOMATION –
• 1. Higher Productivity.
• 2. Improved safety in working conditions.
• 2. TYPES OF AUTOMATION -
• 1.Building Automation
• 2. Scientific Automation
• 3. Industrial Automation
• 4. Office Automation
• 5. Light Automation

5. • 3.What is PLC ?
• PLC is a industrial computer that monitor input , makes decision
based on it program and control output to automatica process or
machine.
• 4. Need of PLC PLC brands and software used
• 1. To make the efficient use of digital electronics and control
system
• 2.To reduce human effort.
• 3. In the high human effort industries, PLC may help to get the
reduction in manpower and wastage of raw materials.
• 4. To reduce complex circuitry of entire system.

6. • 5.Major component of PLC –
• 1.CPU (Central Processing Unit)
• 2.MEMORY
• 3.POWER SUPPLY
• 4.PROGRAMMING DEVICE
• 6. PLC operational sequence –
• Self test
• Input scan
• Logic scan
• Output Scan

7. • 7. Programming language of PLC-
• Most common language encountered in PLC are:
• Ladder Logic
• 2. Functional blocking diagram
• 3 Sequential function chart etc.

8. • SCADA CONTENT –
• What is SOCADA ?
• Why SCADA used ?
• Brands of SCADA
• What is TAG
• Feature of SCADA
• Object Property
• Advantages of SCADA
• Disadvantages of SCADA
• Applications
• Program (Bottle filling)

9. • 1.What is SCADA ?
• SCADA is a "Supervisory Control and Data
Acquisition" real time industrial process control
systems used to centrally monitor and control remote to
local industrial equipment such as motors,valves pump,
relays etc.

10. • 2.Why SCADA used?
• Saves time and money
• Less travelling for workers
• Reduces man power need
• Increase production and efficiency of a company
• Cost effective of power system
• Saves energy
• Reliable
• Supervisory control for particular system.

11. • 3.Brands of SCADA –
• Company Name Software Name
• Wonderware Intouch 10.1
• Allen bradley RS view/Factory talk Siemens
• GEFANUC Cimplicity

12. • 4.What is TAG –
• It is address of the memory location where data being
saved.
• We define a TAG in order to use it in the SCADA
software ( Intouch wonderware)
• Types of TAG
• Analog- stores simple on/off information
• String stores numerical value
• Digital- stores alphanumeric characters.
• There are minimum 32 TAGs and maximum 64000
can be define in Intouch SCADA.

13. • 5.Features Of SCADA-
• Dynamic process graphic
• Script
• Real time and Historical trend
• (d) Alarm
• (e) Security
• (6) Recipe management
• (g) Data base connectivity
• (h) Device connectivity

14. • 6.Object Property -
• These properties are common to all symbol factory
graphical objects.
• These properties are visible only when "break cell"
operation is performed on symbol factory objects.
• 7.Advantages
• The computer can record and store a very large
amount of data.
• Data can be displayed at any time when user require.
• The SCADA system provides on board mechanical
and graphical information.

15. • 8.Disadvantages
• Network security risks
• Lack of trained personnel
• Initial cost is high

16. Applications
• Water chemistry monitoring
• Waste water monitoring
• Waste tank controls
• Wind tunnel controls
• Fuel oil handling system
• Petroleum pilot plant
• Water resources monitoring

17. THANK YOU…