SCADA-PPT

SEMINARONAUTOMATIONSUMBITTED BY:DIKSHA VAID

AUTOMATION-DEFINATIONDelegation of human control function to technical equipments to increase production to reduce costto reduce manpowerto improve safety working conditionsto reduce power consumption to improve quality

TYPES OF AUTOMATION

LAYOUT OF INDUSTRIAL AUTOMATION

ROLE OF COMPUTERSWhen 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.

SMALL COMMUNITIES

ENDLESS CHALLENGESRemoteness of siteLimited financial resourcesLimited staffLimited access to technology and suppliesLimited access to training

ADVANTAGES

SUPERVISORY CONTROL AND DATA ACQUISITION(SCADA)

WHAT 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.

TYPES OF PROCESSES

WHAT 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.

HARDWARE ARCHITECTURE

SCADA AS A SYSTEMTYPICAL SCADA SYSTEM

SUBSYSTEMS OF SCADA SYSTEMHuman-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.

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

SYSTEM COMPONENTS OF SCADA SYSTEM

FEATURES OF SCADAREAL 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.

ALARMS 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 MANAGEMENT When you have different products to manufacture, you just have to load the recipe of the particular product.

SECURITY You can allocate certain facilities or features to the operator, process people, engineering dept and maintenance dept. DEVICE CONNECTIVITY SCADA software should have connectivity to the different hardware used in automation.

USEFULNESS OF SCADAProduction departmentQuality departmentMaintenance departmentEnterprise informationEngineering departmentManufacturing department

GENERAL TERMINOLOGYTAGANALOG TAGSDISCRETE TAGSSYSTEM TAGSSTRING TAGSTOUCH PUSH BUTTONSCOLOUR LINKS

VISIBILITYBLINKORIENTATIONDISABLEVALUE DISPLAY LINKPERCENTAGE FILLAPPLICATION SCRIPTWINDOW SCRIPTKEY SCRIPTCONDITION SCRIPTAPPLICATION SECURITY

Flow control and continuous totalizer

Transportation belt applicationSpeed or mass control with adjustable PIDWeight totalization of product transported 1% accuracy with 1s sample rate and 1 to 10 speed max/min ratio

Packaging WeigherOne scale dosing of a preset load for 99 recipesDosing with an intermediate hopper or within the packaging operationAutomatic correction of dose valuesTuning and production alternated cyclesAutomatic in-flight error correction at the end of tuning cycleRate optimization at every cycleAdaptable reset frequencyAverage and standard deviation calculation at the end of tuning cyclePrinting during production cycleRate example : 1200 bags of 25 kg per hour (on one scale)

WHAT IS INTOUCHWonderware 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.

MAJOR PROGRAMS OF INTOUCH

WONDERWARE SCADA SOFTWAREEasy-to-use, easy to implementEasy configuration, simplified maintenanceHigh security and availabilityVirtually unlimited scalability

PRACTICAL 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.

ADVANTAGES

DISADVANTAGES

SCADA MANUFACTURER AND NAME OF THE SOFTWARE WONDERWARE Intouch ALLEN BRADLEY R.S View SIEMENS Wincc MODICON Moriecon G E FANUC Cimplicity INTELLUSION I Fix KPIT Ashtra

BENEFITS OF SCADALong distance monitoringLong distance trainingProtection against terrorism/vandalism-alarmData management (engineering and operations)Automated operations with real time control

CONCLUSION 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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