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PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
PLC and SCADA
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PLC and SCADA

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Introduction to PLC & SCADA

Introduction to PLC & SCADA

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  • 1. PLC (Micrologix 1000) & SCADA (Intouch wonderware) SUMAN SOURABH 06570104910 B.TECH(EEE) FINAL YEAR
  • 2. What is AUTOMATION • Making products under the control of computers and programmable controllers is known as automation. • Manufacturing assembly lines as well as stand alone machine tools and robotic devices fall into this category. • It is delegation of human control functions to technical equipment for increasing the productivity, quality, and increasing the safety in working conditions thereby reducing the manpower and cost.
  • 3. INSUSTRIAL AUTOMATION • Now a days, every small and large industry employ automation. • In manual control, an operator periodically reads the process and adjusts the input accordingly. Quite hectic! • In automation control, measurements and adjustments are done automatically on a continuous basis. Quite convenient!
  • 4. Types of Control Systems used in INDUSTRIAL AUTOMATION • PID controller based control system • PLC based control system • DCS based control system • PC based control system
  • 5. PLC(Programmable Logic Controller) • It is microprocessor based solid state/industrial computer that perform discrete or sequential logic. • It was developed to replace mechanical relays, timers, counters. • The early PLC’s were used to reduce the changeover time, wiring/re-wiring. • The PLC programming procedures replaced the rewiring a panel full of wires, relays, timers, counters etc.
  • 6. Advantages • Reliability in operation. • Flexibility in control and programming techniques. • Online offline modifications. • Small physical size, shorter project time. • In house simulation and testing of project. • Speed of operation. • Ease of maintenance and troubleshooting. • Ability to communicate and networking with computer system in plant. • Documentation and security. • Designed to work in all types of industrial conditions.
  • 7. Micrologix 1000 programmable controller
  • 8. Architecture of a PLC • BLOCK DIAGRAM INPUT DEVICES PLC OUTPUT DEVICES POWER SUPPY MEMORY INTERFACE (24V DC, 120V AC) (Toggle or Push buttons, proximity or pressure sensors) (Displays & Monitors) (External memory module) (SCADA or HMI)
  • 9. Hardware Overview
  • 10. COMPUTER PLC DOWNLOAD UPLOAD • DATATRANSMISSION-SERIAL • SYSTEM(PORT) PLC(PORT) RS 232 DF port • Baud Rate- 9.6 Kbps to 19.2 Kbps • Driver softwares- RS Linx Classic, RS 232 & DF Drivers • Programming software- RS Logix 500
  • 11. Working • Source mode: +ve supply is given to the PLC. • Sink mode: -ve supply is given to the PLC. • The sink and source modes mainly define the way in which the I/O is connected to the I/O of the PLC.
  • 12. PROGRAMMING the PLC • Programming language used: LADDER language( ladder 2).The programming can be done with simple contacts that simulate the opening and closing of relays, counters, timers, shift registers and other math operations.
  • 13. Basic symbols: • Input symbols: XIC- XIO- • Output symbols: OTE- OTL- OUL-
  • 14. START- STOP LOGIC: • START: hardware software NO- NC- • STOP: NO- NC-
  • 15.  ADDRESSING FORMAT : Identifier: slot address(if any).word address/bit  DATA FILES: micrologix 1000 contain the status information associated with the external I/O and all other instructions we use in our main and subroutine ladder program files.  These files are organized by the type of data they contain. Data file types are:
  • 16. PLC TIMER/COUNTER FUNCTION
  • 17. TIMER ON(Ton)
  • 18. COUNTER UP
  • 19. MATH INSTRUCTIONS
  • 20. OTHER IMPORTANT INSTRUCTIONS • JMP • JSR • SBR • CMP • MOV • OSR
  • 21. Applications • Material Handling • Packaging Applications • General Industrial Machinery • Printing • Food and Beverage • Pharmaceutical • WaterWastewater / SCADA • Clutch/Brake control • Position Control - Pick-and-place / Conveyor
  • 22. SCADA • Supervisory Control And Data Acquisition • It is a software through which we can create visualization of any industrial process. • Earlier, PLC’s were programmed, download the program in it and it used to run for years • The problem- no one knew what’s happening inside the PLC. • Solution= PLC+SCADA
  • 23. TAG’s • It is the address of the memory location where signals are being saved. • We define aTAG in order to use it in the SCADA software(Intouch wonderware). • TYPES : 1) Analog 2) Digital 3) Strings • These are further associated with either “Memory” or “I/O” type tags. • PC-SCADA – Memory analog/digital/string tag • PLC-SCADA - I/O analog/digital/string tag
  • 24. FEATURES OF SCADA • Dynamic process graphic • Alarm • Database connectivity • Real time trend and historical trend view • Security • Device connectivity
  • 25. SCADA Software • Wonderware- Intouch • Rockwell- RS view32 • Siemens- winCC • GE- Intellation
  • 26. PLC-SCADA COMMUNICATION
  • 27. EXAMPLE
  • 28. QUERIES???
  • 29. THANKYOU !!!

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