PLC programming, latching, industrial programming

Design logic for various industrial problem

1. B. B. Kadam Assistant Professor E-mail : kadambhushan [email protected],in Contact No: 7020447673 Subject- PLC & SCADA [Electrive II (317 C)] Unit 2 - PLC Programming -I

2. Contents PLC Programming languages, Processor memory organization Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays Ladder diagram elements. PLC input/output instructions Ladder diagram fundamentals, proper construction of ladder diagram, basic components and their symbols in ladder diagram Development of Relay ladder logic Ladder programming for logic gates & Boolean algebra Ladder diagram for Process Control Develop a PLC ladder logic diagram,Programming equipment, Various techniques Necessity of Analog input, output interface to PLC

3. 2. Processor memory organization DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon PLC Memory Organization Program files Data files Memory words Status word Input variables Output variables Communication variables Logic writt en Subroutines Interrupts .

4. PLC Programming language DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

5. 3. Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

6. 3. Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon Classification of Relays Solid State Relays Mechanical Relays

7. 3. Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

8. 3 . Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

9. 3. Switches DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon Manually Operated Switches

10. 3. Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon Mechanically Operated Switches

11. 3. Ladder diagrams, Relays, contactors, switches, sensors, output control devices, latching relays DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon Sensors are used for detecting, and often measuring, the magnitude of something. They convert mechanical, magnetic, thermal, optical, and chemical variations into electric voltages and currents. Proximity Sensor Magnetic Reed Switch Light Sensors Ultrasonic Sensors Strain/Weight Sensors Temperature Sensors Flow Measurement Velocity and Position Sensors https://robocraze.com/blogs/post/what-is-a-light-sensor https://automationforum.co/what-is-a-flow-sensor-and-what-are-the-different-types-of-flow-sensors/

12. O utput control devices,

13. 4. Ladder diagram elements. PLC input/output instructions DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

14. 5. Ladder diagram fundamentals, proper construction of ladder diagram, basic components and their symbols in ladder diagram DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

15. 5. Ladder diagram fundamentals, proper construction of ladder diagram, basic components and their symbols in ladder diagram DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon Start the motor with push button. lamp 1 for showing power is ON. lamp 2 for showing power is OFF.

16. USE OF LATCHING CIRCUIT The latch is to hold an output energised, even when the input stopped. There is the necessity of such a situation in industries.For example, a motor which is started by pressing a push button switch. Though the switch contacts do not remain closed, the motor is required to continue running until a stop pushbutton switch is pressed.

17. 5. Ladder diagram fundamentals, proper construction of ladder diagram, basic components and their symbols in ladder diagram DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

18. 6 . Development of Relay ladder logic DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

19. 7 . Ladder programming for logic gates & Boolean algebra , DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

20. 9. Develop a PLC ladder logic diagram,Programming equipment, Various Techniques DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

21. 8 . Ladder diagram for Process Control , DEPARTMENT OF ELECTRICAL ENGINEERING, Sanjivani COE, Kopargaon

22. 9. Develop a PLC ladder logic diagram,Programming equipment, Various Techniques Sample PLC Exam Problems | PDF | Programmable Logic Controller | Electrical Engineering (scribd.com) Delta Application Exercises (tshoshmand.com) 3) PLC Timer Examples : My 3 Favorites - Ladder Logic World 4) PLC Exercises and Solutions Best 10 examples | Engineering Arena (enggarena.net) PLC Question Bank (instrumentationtools.com) SPPU PLC and SCADA Applications - December 2016 Exam Question Paper | Stupidsid

23. DEPARTMENT OF Electrical ENGINEERING, Sanjivani COE, Kopargaon