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Presentation On Automation with PLC - SCADA

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Presentation On Automation with PLC - SCADA

  1. 1. Welcome to Presentation on Automation with PLC - SCADA
  2. 2.  It is delegation of human control functions to technical equipments for increasing productivity , quality and increase the safety in working condition.  Automation plays an important role in global economy and daily experience.
  3. 3. PLC ( Programmable logic controller) SCADA (Supervisory control and data acquisition) HMI( Human machine interface) DCS (distributed control system)
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  5. 5. PLC ( Programmable logic controllers) PLC is an electronic device which interface between input and output with using software. It is an example of real time system. It is microprocessor based industrial computer that perform discrete or sequential logic
  6. 6.  IN 1968 , a group of engineers from general motors developed the concept of plc MODICON is the first plc. DICK MORLEY, who worked in MODICON is considered to be the “ father “ of the plc. PLC’S were designed to replace relay logic system.
  7. 7. AMERICAN : 1 – ALLEN BRADLEY 2 - TEXAS INSTRUMENTS EUROPEAN: 1 – SIEMENS 2- FESTO JAPANESE : 1 - TOSHIBA 2-MITSUBISHI INDIA: 1- MESSUNG 2 DELTA
  8. 8. 8 Major Components of a Common PLC CPU/ POWER SUPPLY I M N O P D U U T L E O M U O T D P U U L T E PROGRAMMING DEVICE From SENSORS Pushbuttons, contacts, limit switches, etc. To OUTPUT Solenoids, contactors, alarms etc.
  9. 9. 9  Act as interface between real-time status of process variable and the CPU.  Switches  pushbuttons  Relays  sensors RTD (Ohm)  Thermocouple
  10. 10. • Act as link between the CPU and the output devices in the field.  Control Valve  Motor  Solenoid Valves  lamps 10
  11. 11. 12 PLC SIZE : 1. SMALL - it covers units with up to 128 I/O’s and memories up to 2 Kbytes. 2. MEDIUM - have up to 2048 I/O’s and memories up to 32 Kbytes. 3. LARGE - They have up to 8192 I/O’s and memories up to 750 Kbytes. - can control individual production processes or entire plant.
  12. 12. 13 INPUT SYMBOL Normally Open (NO) Normally Closed (NC) Power flows through these contacts when they are closed. The normally open (NO) is true when the input or output status bit controlling the contact is 1.The normally closed (NC) is true when the input or output status bit controlling the contact is 0. OUTPUT SYMBOL:
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  14. 14. SCADA : SUPERVISORY CONTROL AND DATA ACQUISITION  SCADA is a type of industrial control system used to collect data from remote location for exercising control. S: Supervisory (we can see process on the monitor) operator/s, supervisor/s . C: Control (when setup is complete we can also control the process) A: And D: Data ( save data and reports of present and past state ) A: Acquisition
  15. 15. Alarms Security Device Connectivity  Dynamic Process Graphics  Real Time & Historical Trends  Recipe Management 17
  16. 16.  Water Distribution  water treatment  Pump stations  Traffic signals  Fire alarms  Chemical Petroleum plants  Aerospace  Bottling and canning and many more application…….
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