A
PRESENTATION ON
PLC, SCADA, HMI
AND DRIVES
BY
SIMRANJIT SINGH
(1241091)
.
AUTOMATION
Automation is the use of control systems and information
technologies to reduce the need for human work in the
production of goods and services.
NEED OF AUTOMATION




To reduce human effort.
Reliability and precision.
Flexibility.
To get maximum production in minimum time with
minimum cost.
ADVANTAGES
OF AUTOMATION
Replacing humans in tasks done in dangerous
environments (i.e. fire, space, volcanoes).
 Performing tasks that are beyond human
capabilities of size, weight, speed)
 Economy improvement.

DISADVANTAGES
OF AUTOMATION
Unemployment.
 Unpredictable development costs.
 High initial cost.
 Lack of intelligence

ENGINEERING TOOLS
PLC(Programmable logic controller)
 SCADA(Supervisory control and data acquisition)

HMI(Human machine interface)
 DCS(Distributed control system)
 Drives

PROGRAMMABLE

LOGIC CONTROLLER
(Programmable Logic Controller): PLC is a
multipurpose clock driven memory based electronic
device which is also known as specialized industrial
computer which deals with different level of
complexity and control system.
ROLE OF PLC IN AUTOMATION
Flexible
 Visual observation
 Space efficient
 Pilot running
 Speed of operation

ADVANTAGES
OF
PLC
Flexibility
 Correcting Errors & implementing changes.
 Testing
 Large quantity of contacts.
 Reliability and maintainability.

DISADVANTAGE
OF
PLC
Hold-up time is more.
 Fail safe operation
 Environmental consideration

BLOCK DIAGRAM OF PLC
.
Monitor
Isolated
InputIs
Processor
Memory
Power supply
Isolated
Output
PARTS OF PLC
Processor
 Memory
 Input
 Output
 Power Supply

MONITOR

It provides a visual status of PLC.It may have
LCD screen or LED indicator.
COMMUNICATION PORT
It is used to connect the PLC with computer. A communication
cable is used for this purpose.
ISOLATED INPUTS
The inputs of the PLC are various sensor which
are used to sense the condition at the remote
location. These sensors are isolated with PLC.
ISOLATED OUTPUT
The output terminals module has terminals to
which output signals are sent to activate relay,
motors and displays.
POWER SUPPLY

The electrical supply that converts the alternating
current line voltage to various operational DC values.
In this process the power supply filters and regulates
the Dc voltages to ensure the computer operation.
SOFTWARE USED
The software used for PLC programming is
RSLogix 500.

RSLogix Micro software is a 32-bit Windows
ladder logic programming package for the
MicroLogix processors.
LANGUAGE USED


The language used for PLC programming is
Ladder logic.
Ladder logic is a programming language that
represents a program by a graphical diagram
based on the circuit diagrams of relay
logic hardware.
INTERLOCKING

An arrangement of signals and signal appliances so
interconnected that their movements must succeed
each other in proper sequence.
USING LADDER LOGIC
TIMER
Timers are output instructions
that let you control operations
based on time or number of
events.
TYPES OF TIMER
➢
➢
➢
➢
There are three types of timers:
TON (Delay turning on an output).
TOFF (Delay turning off an output).
RTO (Time an event retentively).
TON TIMER
TON TIMER
There are three outputs of TON timer:
 EN (Enable )
 TT (timing)
 DN (Done)
DESCRIPTION TON TIMER
As soon as the input button is
switches ON The status of TON
timer is:
➢En=1(when the input switch is ON)
➢TT=1(ON during the hole timing)
➢DN=0(During the whole timing and
DN=1
after completion of timing)
TOFF TIMER
TOFF TIMER
There are three outputs of TOFF
timer:
➢EN (Enable )
➢TT (timing)
➢DN (Done)
DESCRIPTION TOFF TIMER
When the input switch is ON the TOFF timer is
OFF. TOFF timer started as soon as the output
button is pressed.
STATUS
➢
➢
➢
➢
OF THE
TOFF TIMER
When the input switch is ON, the output of the
timer is:
EN =1
TT =0
DN =1
WHEN OFF SWITCH IS PRESSED
➢EN
=0(stop instantly)
➢TT
=1(OFF after the timing)
➢DN
=1(during the timing, and after timing the
output will be low)
RTO TIMER
PLC BASED
PROJECTS:
Bottle filling application
 Traffic light
 Zink coating using tank
 Color Mixing project

BOTTLE FILLING APPLICATION
:

.
.
SCADA

SCADA stands for supervisory control and data
acquisition, a computer system for gathering and
analyzing real time data. SCADA systems are used to
monitor and control a plant or equipment in industries
such as telecommunications, water and waste control,
energy, oil and gas refining and transportation.
SCADA

SCADA or Supervisory Control And Data Acquisition
is a large scale control system for automated industrial
processes like municipal water supplies, power
generation, steel manufacturing, gas and oil pipelines
etc.
FEATURES OF SCADA










Dynamic process Graphic
Alarm summery
Alarm history
Real time trend
Historical time trend
Security (Application Security)
Data base connectivity
Device connectivity
Scripts
Recipe management
MANUFACTURE OF SCADA
Modicon (Telemecanique) Visual look
 Allen Bradly : RS View
 Siemens: win cc
 Gefanc:
 KPIT : ASTRA
 Intelution : Aspic
 Wonderware : Intouch

WORKING WITH
PROJECTS
What is a project?
 A project consists of a folder on your hard disk
that contains, at minimum, the following items:
 project file (.rsv)
 tag folder
 comprf (communications profile) folder
 cache folder

HOW TO CREAT A PROJECT?
CREATING NEW PROJECT
CREATING TAG

Tags and the tag database
In the tag database, you define the data you want
RSView32™ to monitor. Each entry in the
database is called a tag. A tag is a logical name
for a variable in a device or in local memory
(RAM). For example, a tag can represent a
process variable in a programmable controller.
NAMING
TAGS
Tag names can be up to 255 characters long. If
you create a folder, the folder name becomes part
of the tag name.
 The tag name can contain the following
characters:
 A to Z
 0 to 9
 underscore (_) and dash (-)

TAG DATABASE
CREATING

GRAPHIC DISPLAYS
A graphic display represents the operator’s view
of plant activity. The display can show system or
process data and provide operators with a way to
write values to an external device such as a
programmable controller. Operators can also
print the display at runtime to create a visual
record of tag values.
THE GRAPHIC DISPLAY
EDITOR
To open the Graphic Display editor:
 In the Project Manager, open the Graphics folder.
 Open the Graphic Display editor by doing one of
the following:
 double–click the Display icon
 right–click the Display icon and then click New

THE EDITOR’S MAIN
COMPONENTS
SETTING UP THE
DISPLAY
ANIMATION
About the Animation dialog box
 The Animation dialog box is a floating dialog box,
which means you can have it open all the time
and can move it around the screen, select other
objects, and open other dialog boxes.

DIALOG BOX
ANIMATION
OF SLIDER
VERTICAL POSITION ANIMATION
VISIBILITY ANIMATION
HOW TO RUN A PROJECT?
TRAFFIC LIGHT
RUN MODE
SLIDER CONTROL
SLIDER
CONTROLLING
FINAL POSITION
SCADA BASED PROJECTS:
Bottle filling application
 Traffic light control
 Zink coating using tank
 Zink oven coating
 Car parking application

BOTTLE FILLING APPLICATION ANIMATION:

.
ZINK COATING

.
USING TANK:
ZINK OVEN COATING:

.
CAR PARKING SYSTEM:

.
ONE WAY

.
TRAFFIC LIGHT:
FOUR WAY

.
TRAFFIC CONTROL
Motor control
using gates
(AND GATE 0.0=0)
AND OPERATION : (1.0=0)
AND GATE( 1.1=1)
OR GATE (1 0R 0=1)
OR GATE ( 1 OR 1=1)
HUMAN-MACHINE INTERFACE(HMI)

Human-Machine Interface, is a device or
software that lets users communicate with a
machine or automation system. Besides
translating complex data into useable
information, an HMI relays the user’s commands.
HMI
HMI stands human machine interface. A HumanMachine Interface is the apparatus which presents
process data to a human operator, and through which the
human operator controls the process.
 The HMI is usually linked to the SCADA system's
databases and software programs.
 The HMI system usually presents the information to the
operating personnel graphically, in the form of a mimic
diagram.

DRIVES
A
drive is generally used for speed control
and direction control of Motor.
TYPES OF DRIVES
 Drives
❖ AC
is of two types:
Drive
❖ DC Drive
AC DRIVE
 AC
Drive is a system for controlling the
rotational speed of an alternating current
(AC) electric motor by controlling the
frequency of the electrical power supplied
to the motor.
POWER FLEX 4M AC DRIVE

Power Flex 4M AC
Drives are the smallest
and most cost-effective
members of the Power
Flex family of drives.
Feed-through wiring
and easy programming
provide the flexibility
to handle a broad
range of applications.
THANK YOU