The document provides an overview of SCADA (Supervisory Control and Data Acquisition) systems, detailing their importance in industrial control, features, and functionality. SCADA facilitates real-time monitoring and control of processes, enabling data collection for analysis while also raising cybersecurity concerns. It highlights similarities with Distributed Control Systems (DCS) and emphasizes the need for robust security measures against potential cyber threats.

1. UNIVERSITY INSTITUTE OF TECHNOLOGY
RGPV, BHOPAL
(SESSION: 2022-23)
DEPARTMENT OF ELECTRICAL
ENGINEERING
(6THSEM)

2. SCADA: THE UNIVERSAL REMOTE FOR
INDUSTRIAL CONTROL
PRESENTATION

3. POINTS TO BE COVERED
 I n t r o d u c t i o n t o S C A D A
 N e e d o f S C A D A
 W h a t i s S C A D A
 F e a t u r e s o f S C A D A
 F u n c t i o n a l i t y o f S C A D A
 S i m i l a r i t i e s t o D i s t r i b u t e d
C o n t r o l S y s t e m s
 C o n c e r n s a b o u t C y b e r s e c u r i t y
 C o n c l u s i o n
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INTRODUCTION TO SCADA
 Supervisory control and data acquisition
(SCADA) is a control system architecture that
involves computers, networked data
communications, and graphical user interfaces.
It is used for high-level supervision of
machines and processes, as well as sensors and
other devices such as programmable logic
controllers.
 The SCADA concept was developed to provide
remote access to a variety of local control
modules from different manufacturers, using
standard automation protocols. Today, large
SCADA systems have grown to become very
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5. 5
NEED OF SCADA…
 Previously without SCADA an
industrial process was entirely
controlled by PLC, CNC, PID and
microcontrollers having programs in
certain languages or codes.
 These codes were either written in
assembly language or relay logic
without any true animation that
would explain the process running.
 Thus to make the understanding
process easy with the help of true
animation SCADA came into existence.
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6. WHAT IS SCADA?
L E T ’ S D I V E I N
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 It works like a supervisor who supervises the entire plant area, if needed it
also controls the process as well as it converts the data segment for storing
process values i.e. is level, pressure, switch positions , density,
temperature, message etc.
 From a distant place if we want to run the process i.e. is starting, stopping,
opening and closing of field instruments as well as logging the various
values. SCADA (Supervisory control and data acquisition) can do for you.
 SCADA is not 100% controller it is just a software which has to be linked with
controllers, ultimately it is to be connected to PLC/ PID/ DCS systems which
in turn are connected to field instrument.
 Hazardous areas, unhygienic places, hilly areas and sea beds where a person
can't be sent regularly but process has been watched continuously or it should

8. FEATURES OF SCADA
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 Dynamic representation
 Database connectivity
 Device connectivity
 Security
 Networking etc…

9. DYNAMIC REPRESENTATION
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 This feature explains about the representation of various symbols of
field instruments which are present in tool library which can be utilised
in SCADA applications.
 SCADA is not a dedicated to any specific industry hence its library is so
large that you can use it for any industries available field instruments
which of resident.
DATABASE CONNECTIVITY
 This feature explains about the representation of various symbols of
field instruments and it is not dedicated to any specific industry hence
its library is so large that you can use it for any industry available.
 SCADA doesn't have its own database just like Microsoft. Hence for
storage it depends on database available in the market. It can be

10. DEVICE
CONNECTIVITY
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 SCADA is not 100% controller i.e. It can
alone can't run process. It can be connected
to any PLC or DCS.
 Hence any PLC or DCS that are available in
the market by using specific driver software
it can be connected.
SECURITY
 Every application has to be secured from
unauthorised user by different security
levels.
 In SCADA this security can be given as a whole
as well as individually.

11. NETWORKING
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 It explains we can share SCADA application on LAN or Internet as well
exchange of data is possible
 many networking protocols are supported by SCADA software
 SCADA can be put on networking with other peripherals and processor with
various networking topologies

12. FUNCTIONALITY OF SCADA
SCADA systems can control large-scale processes that can include multiple
sites and work over large distances as well as small distances. They are
designed to provide real-time monitoring and control of industrial
processes, allowing operators to identify issues and take corrective
action quickly.
In addition to monitoring and control, SCADA systems can also collect and
store data for analysis and reporting purposes. This data can be used to
identify trends, optimize processes, and improve overall performance.

13. SIMILARITIES TO DISTRIBUTED
CONTROL SYSTEM
 Large SCADA systems have grown to become very
similar to distributed control systems (DCS)
in function. Both types of systems involve the
use of sensors, controllers, and computers to
monitor and control industrial processes.
 However, there are some key differences
between SCADA and DCS. SCADA systems are
typically used for larger-scale processes and
are more flexible in terms of interfacing with
different types of equipment. DCS systems are
generally used for smaller-scale processes and
are more tightly integrated with the equipment
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14. CONCERNS ABOUT
CYBERSECURITY…
L O O K I N G A H E A D
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15. One of the biggest concerns about SCADA systems is their
vulnerability to cyber attacks. Because these systems are often
connected to the internet or other networks, they can be targeted
by hackers who want to gain access to sensitive information or
disrupt operations.
To address these concerns, many organizations have implemented
security measures such as firewalls, intrusion detection systems,
and encryption. However, it is important to continually monitor
and update these measures to stay ahead of new threats.
C Y B E R S E C U R I T Y

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CONCLUSION
SCADA systems are widely used in industrial settings
to monitor and control processes, and have grown to
become very similar to distributed control systems in
function. They offer real-time monitoring and
control, data collection and storage, and flexibility in
interfacing with different types of equipment.
However, concerns about cybersecurity remain a
major issue, and organizations must implement
strong security measures to protect against potential
attacks.
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17. THANK YOU