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Plc presentation

  1. 1. Programmable Logic Controller
  2. 2.  INTRODUTION  Organization Details  Basics Of PLC  PROGRRAMING LANGUAGES  Plc Operation  HMIs  SCADA  Project Discription
  3. 3.  A programmable logic controller (PLC) is a digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines, control of amusement rides, or control of lighting fixtures.
  4. 4. ‘AutoSys Indore’ is an ISO 9001:2008 certified Industrial Automation Company-cum-training Center, providing Automation services in INDORE from year 2007. It provide engineering, consultancy and system integration services for Industrial Automation projects to various Industries arround Indore Its services comprises of practical oriented trainings on Industrial Automation to trainees with ease and core concepts. It is known for providing quality automation services along with Home Automation and professionally trained manpower in PLC automation to various organizations.
  5. 5. Types of PLCs Fixed Modular
  6. 6. BRAND NAME           Allen bardlley Mitshubhishi Messung Schnider Ceco eletronics Siemens Omron Delta Fatek Ge fannu SOFTWARE USED           RS logix 5000 Gx Devloper Codesys V2.3 Zelio soft/twido soft Ceco client Step7 Microwin Cx programming Wpl soft Win Pro ladder Proficy Machine Eddition
  7. 7. Basics Of PLC Overview
  8. 8. Prossecer Memory unit Power Supply unit Input/Output Module  Programming unit
  9. 9. • CPU: Its the unit containing the microprocessor. • Power supply unit:Its needed to convert the mains A.C. voltage to low D.C. Voltage(Normally Internal)
  10. 10. • Input-output sections: are where the processor receives information from external devices and communicates information to external devices.
  11. 11. • Expansion Modules: The S7-200 PLCs are expandable. Expansion modules contain additional inputs and outputs. These are connected to the base unit using a ribbon connector.
  12. 12. • Memory unit: is where the program is stored that is to be used for control actions. • Programming device: is used to entered the required program into the memory of the processor.
  14. 14.  LD/LAD(Ladder diagram)  FBD(Function block diagram)  IL(Instruction list)  ST(Structure text)  CFC(Continous function chart)  SFC(Squential funtion chart)
  15. 15. PLC Operation: 1.The PLC program is executed as part of a repetitive process referred to as a scan. 2. Scans:- :Left to Right Top to Bottom 3.Scan cycle:- 800-1000scan/sec
  16. 16. Example: The Ladder Diagram
  17. 17. Selecting a PLC: Criteria:  Number of logical inputs and O/P.  Memory.  Number of special I/O modules  Scan Time.  Communications.  Software.
  18. 18. HMI (Human Machine Interface) is a medium for information exchange and mutual communication between electromechanical system's and the user. It allows the user to complete settings through touchable images or keys on the user-friendly window. This not only offer's fast and convenient control of manufacturing automation, but also has replaced traditional controlling panel's which need extensive wiring
  19. 19. XBT N401 XBT RT500
  20. 20. Introduction (What Is SCADA?) 1.Stands for supervisory control And data acquisition. 2.SCADA systems are used in industrial processes: steel making, power generation (conventional and nuclear) and distribution. 3.There Are 4 Components In the SCADA System.
  21. 21. SCADA Components  Field Instrumentation.  Sensors, devices to control.  Remote Terminal Units. RTU Vs. PLC  Communications Network.   Equipment needed to transfer data to and from different sites Central Monitoring Station Collecting information gathered by the remote stations to generate the necessary action
  22. 22. PLC Vs Computer  Plc       Designed for extreme industrial environments Can operation in high temperature and humidity High immunity to noise Integrated command interpreter (proprietary) No secondary memory available (in the PLC) Optimized for Single task  Computer Designed mainly for data processing and calculation  Optimized for speed  Can’t operate in extreme environments  Can be programmed in different languages  Lost of secondary memory available  Multitasking capability 
  23. 23. Why PLC ?  The controller is designed in modular form, so that sub-assemblies could be removed easily for replacement or repair.  The control system needs the capability to pass data collection to a central system.  The system becomes reusable.  The method used to program the controller is simple, so that it can be easily understood by plant personnel.
  24. 24. Advantages of PLCs:  Less wiring.  Wiring between devices and relay contacts are done in the PLC program.  Easier and faster to make changes.  Trouble shooting aids make programming easier and reduce downtime. Reliable components make these likely to operate for years before failure
  25. 25. Areas of Application  Manufacturing/Machining  Food/beverage  Metals  Power  Mining  Petrochemical/Chemical