Industrial Automation With PLC > Case Studies

Water Tank Filling Control Logic

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With the help of a PLC, the system automatically controls the water level. The PLC receives level data from three level sensors (float switches). The PLC is linked to float switches in the tank, which provide control signals and turn the pump on and off.

Selected Manual Mode, OFF Position, and Low Water Level. Select Manual Mode and adjust the water level between low and high. The Auto Mode has been selected, and the High Level Switch has been activated.

Water is pumped up from the ground tank to the raised tank and then distributed to each floor via the water mains. When the elevated tank's water level falls below a certain level, water is pushed up from the ground tank to replenish it. The pump turns off when the water level reaches a specified level.

To make this circuit you will need:

  • BC 547 Transistor X 3 = 9 INR.
  • 220 K Ohm & 5.4 K Ohm resistors = 1.
  • 1N4007 Diode = 1.
  • 12V relay = 12.
  • One, 3-pin PCD connector & two, 2-Pin PCB connector = 25.
  • Wires = 5.
  • PCB = 12.

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Shah Kavya
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Singh Rohit
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Rituparna Chowdhury
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Course Content

  1. Introduction to the Course
    24m 6s

  1. What is Industrial Automation?
    9m 15s

  1. Introduction to PLC and Relays
    21m 28s
  2. Understanding the PLC Architecture for Industrial Automation
    17m 1s
  3. Comparison of PLC & Relay System
    20m 20s
  4. Advantage of PLC for Industrial Automation
    15m 19s
  5. Assignment of Introduction to PLC
    47s

  1. PLC Selection Criteria for Industrial Automation
    16m 29s
  2. Types of PLC for Industrial Automation
    15m 54s
  3. PLC Input Devices
    19m 8s
  4. Analogue Input and Output in PLC
    13m 20s
  5. Concept of Automation in Industry
    19m 49s
  6. Sinking - Sourcing and NPN-PNP Devices for Industrial Automation
    14m 25s
  7. PLC Analog cards in Industrial Automation
    10m 41s
  8. Types of Memory used in PLC Industrial Automation
    10m 35s
  9. PLC Signal Flow Diagram in Automation
    12m 59s
  10. Assignment of PLC selection criteria, types and I/O modules
    1m

  1. PLC Programming using Ladder Logic
    15m 23s
  2. Installation of RSLogix Micro Starter Lite
    12m 5s
  3. Elements of RSLogix Micro Starter Lite
    15m 35s
  4. How to Programme and Run the Logic?
    19m 21s
  5. PLC Programming of OR Logic Gate
    8m 32s
  6. PLC Programming of AND and NOT Logic Gate
    12m 55s
  7. PLC Programming of NAND,NOR and XOR Logic Gate
    16m 36s
  8. Ladder Logic of Push Button Latching
    14m 10s
  9. Ladder Logic of Interlock Circuit
    21m 19s
  10. Trick to Optimize Use of I-O in Ladder Logic
    5m 39s
  11. Ladder Programming of Motor Operation
    14m
  12. Ladder Logic of Motor Forward Reverse Interlock Protection
    20m 35s
  13. Use Timer in Ladder Logic
    17m 28s
  14. On Delay Timer in Ladder Diagram
    8m 33s
  15. Off Delay Timer in Ladder Diagram
    11m 10s
  16. Retentive Timer in Ladder Diagram
    12m 7s
  17. Star to Delta Motor Starter in Ladder Logic
    27m 56s
  18. Counter-up with On Delay Timer Logic
    9m 5s
  19. Countdown with Reset Function in Ladder Logic
    12m 34s
  20. Up-Down Counter Logic with Application in Ladder Logic
    9m 7s
  21. Comparator LIM Block in Ladder Logic
    7m 29s
  22. Comparator EQU,LES,LEQ,NEQ,GRT and GEQ Blocks in Ladder Logic
    18m 24s
  23. Math Operations in Logic
    30m 9s
  24. Move Blocks in Ladder Logic
    10m 11s
  25. Logical Gate Blocks in Ladder Logic
    22m 2s
  26. BCD Conversions in Ladder Logic
    15m 35s
  27. Bit Shift Left and Right in Ladder Logic
    13m 55s
  28. Scale with Parameters
    20m 35s
  29. Hacks for Ladder Logic
    12m 14s
  30. Assignment of Programing and Software
    3m 13s

  1. Water Tank Filling Control Logic
    28m
  2. Chemical Mixing Process Logic
    33m 5s
  3. Traffic Light Signal Control Logic Part - 1
    23m 42s
  4. Traffic Light Signal Control Logic Part - 2
    36m 40s
  5. Elevator Control Logic
    01h 10m 50s
  6. Assignment of Case Studies
    4m 28s

  1. Hardware Overview with Wiring Diagram Part 1
    18m 21s
  2. Hardware Overview with Wiring Diagram Part 2
    17m 32s
  3. Hardware Overview with Wiring Diagram Part 3
    4m 8s
  4. Serial USB Driver Installation & Uploading the Programming
    16m 49s
  5. PLC Program Logic Testing
    6m 18s
  6. PLC Latching Logic Circuit with Push buttons
    24m 41s
  7. Interface Proximity Sensor to PLC
    15m 15s
  8. Water Tank Level Controller by using PLC
    13m 17s
  9. Chemical Mixing Process using PLC
    19m 4s

  1. Course Summary
    5m 5s

  1. Interview Questions
    12m 7s

  1. Career Guideline
    6m
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