Download - SCADA PPT
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SEMINARSEMINARONON
AUTOMATIONAUTOMATIONSUMBITTED BY:SUMBITTED BY:
DIKSHA VAIDDIKSHA VAID
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AUTOMATION-DEFINATIONAUTOMATION-DEFINATION
Delegation of human control function to technical equipments
to increase production to reduce cost to reduce manpower to improve safety working conditions to reduce power consumption to improve quality
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TYPES OF AUTOMATIONTYPES OF AUTOMATION
AUTOMATION
SCIENTIFIC
AUTOMATION
INDUSTRIAL
AUTOMATION
OFFICE
AUTOMATION
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LAYOUT OF INDUSTRIAL LAYOUT OF INDUSTRIAL AUTOMATIONAUTOMATION
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ROLE OF COMPUTERSROLE OF COMPUTERS
When an automated machine is placed under the control of a computer a large number of operations can be performed. The computer can analyze a vast number of sensory inputs from a system and decide which of many responses it should make.
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SMALL COMMUNITIESSMALL COMMUNITIES
ENDLESS CHALLENGESENDLESS CHALLENGES Remoteness of site Limited financial resources Limited staff Limited access to technology and supplies Limited access to training
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ADVANTAGESADVANTAGES
REPLACING
HUMAN OPERATOR
ECONOMY
IMPROVEMENT
MAKING TASK
BEYOND HUMAN CAPABILITIES
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SUPERVISORY CONTROL AND SUPERVISORY CONTROL AND DATA ACQUISITION(SCADA)DATA ACQUISITION(SCADA)
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WHAT IS SCADAWHAT IS SCADA
SCADA stands for Supervisory Control And Data Acquisition.
SCADA refers to a system that collects data from various sensors at a factory, plant or in other remote locations and then sends this data to a central computer which then manages and controls the data.
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TYPES OF PROCESSESTYPES OF PROCESSES
INDUSTRIALPROCESSES
INFRASTRUCTUREPROCESSES
FACILITYPROCESSES
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WHAT IS DATA ACQUISITIONWHAT IS DATA ACQUISITION
Data acquisition is the process of retrieving control information from the equipment which is out of order or may lead to some problem or when decisions are need to be taken according to the situation in the equipment. So this acquisition is done by continuous monitoring of the equipment to which it is employed. The data accessed are then forwarded onto a telemetry system ready for transfer to the different sites.
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HARDWARE ARCHITECTUREHARDWARE ARCHITECTURE
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SCADA AS A SYSTEMSCADA AS A SYSTEM
TYPICAL SCADA SYSTEMTYPICAL SCADA SYSTEM
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SUBSYSTEMS OF SCADA SYSTEMSUBSYSTEMS OF SCADA SYSTEM
Human-Machine Interface is the apparatus which presents process data to a human operator, and through this, the human operator monitors and controls the process.
Remote Terminal Units connecting to sensors in the process, converting sensor signals to digital data and sending digital data to the supervisory system.
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Programmable Logic Controller used as field devices because they are more economical, versatile, flexible, and configurable than special-purpose RTUs.
Communication infrastructure connecting the supervisory system to the Remote Terminal Units
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SYSTEM COMPONENTS OF SCADA SYSTEM COMPONENTS OF SCADA SYSTEMSYSTEM
MULTIPLE REMOTE
TERMINAL UNIT
CENTRAL HOST
COMPUTER
COMMUNICATION
INFRASTRUCTURE
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FEATURES OF SCADAFEATURES OF SCADA
REAL TIME AND HISTORICAL TRENDREAL TIME AND HISTORICAL TREND
The trend play very important role in the process operation. If your batch fails or the plant trips, you can simply go to the historical trend data and do the analysis. You can have better look of the parameters through the trend..
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ALARMSALARMS
have a very critical role in automation. Generally we have alarm states for each inputs/outputs. . Most of the SCADA software support four types of alarms like LOLO,LO,HI and HIHI.
RECIPE MANAGEMENTRECIPE MANAGEMENT
When you have different products to manufacture, you just have to load the recipe of the particular product.
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SECURITYSECURITY
You can allocate certain facilities or features to You can allocate certain facilities or features to the operator, process people, engineering dept the operator, process people, engineering dept and maintenance dept.and maintenance dept.
DEVICE CONNECTIVITY
SCADA software should have connectivity to the different hardware used in automation.
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USEFULNESS OF SCADAUSEFULNESS OF SCADA
Production department Quality department Maintenance department Enterprise information Engineering department Manufacturing department
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GENERAL TERMINOLOGYGENERAL TERMINOLOGY
TAG ANALOG TAGS DISCRETE TAGS SYSTEM TAGS STRING TAGS TOUCH PUSH BUTTONS COLOUR LINKS
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VISIBILITY BLINK ORIENTATION DISABLE VALUE DISPLAY LINK PERCENTAGE FILL APPLICATION SCRIPT WINDOW SCRIPT KEY SCRIPT CONDITION SCRIPT APPLICATION SECURITY
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Flow control and continuous totalizerFlow control and continuous totalizer
Transportation belt application
Speed or mass control with adjustable PID
Weight totalization of product transported
± 1% accuracy with 1s sample rate and 1 to 10 speed max/min ratio
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Packaging WeigherPackaging Weigher One scale dosing of a preset load for 99 recipes Dosing with an intermediate hopper or within
the packaging operation Automatic correction of dose values
Tuning and production alternated cyclesAutomatic in-flight error correction at the end of tuning cycleRate optimization at every cycleAdaptable reset frequency
Average and standard deviation calculation at the end of tuning cycle
Printing during production cycle Rate example : 1200 bags of 25 kg per hour
(on one scale)
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WHAT IS INTOUCHWHAT IS INTOUCH
Wonderware InTouch provides a single integrated view of all your controls and information resources. Intouch enables engineers, supervisors, operators and managers to view and interact with the working of entire operation through graphical representations of their production processes.
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MAJOR PROGRAMS OF INTOUCHMAJOR PROGRAMS OF INTOUCH
INTOUCH
INTOUCHAPPLICATION
MANAGERWINDOWMAKER WINDOWVIEWER
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WONDERWARE SCADA SOFTWAREWONDERWARE SCADA SOFTWARE
Easy-to-use, easy to implement Easy configuration, simplified maintenance High security and availability Virtually unlimited scalability
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PRACTICAL USES OF SCADAPRACTICAL USES OF SCADA
SCADA used as a control mechanism for chemical plants, electricity generation, electric power transmission, electricity distribution, district heating.
Control mechanisms are described in Process Control.
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ADVANTAGESADVANTAGES
CHEAPER
CONTINOUS
OPERATION
RELIABLE
IMPROVES MAINTAINANCE,
OPERATION,
CUSTOMER SERVICEFEW OPERATORS CONTROL LARGE NO. OF
INDIVIDUAL ASSETS
PROVIDE RAPID RESPONSE TO EMERGENCIES
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DISADVANTAGESDISADVANTAGES
TROUBLED
ALARMS
LACK OF TRAINED
PERSONS
INITIAL CAPITAL INVESTMENT
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SCADA MANUFACTURER AND SCADA MANUFACTURER AND NAME OF THE SOFTWARENAME OF THE SOFTWARE
WONDERWARE Intouch ALLEN BRADLEY R.S View
SIEMENS Wincc MODICON Moriecon
G E FANUC Cimplicity
INTELLUSION I Fix
KPIT Ashtra
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BENEFITS OF SCADABENEFITS OF SCADA
Long distance monitoring Long distance training Protection against terrorism/vandalism-alarm Data management (engineering and
operations) Automated operations with real time control
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CONCLUSIONCONCLUSION
SCADA is a control system with
● More interfaces and efficient storage
● More record or device oriented configuration
● But system wide configuration tools are needed
● Are less expensive than DCS, but offer different functionality than DCS
● And finally various applications
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THANK YOUTHANK YOU