PLC Programming Tutorials

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PLC Tutorials

The below articles covers Basics of PLC, PLC Tutorials, PLC Logic & Functions, PLC Programming, PLC Logic examples, PLC Programming questions & answers, PLC Interview Questions & Answers, PLC Programming Questions & Answers and PLC Ladder Logic Questions & Answers

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PLC Training Courses

  1. Siemens PLC Training Course

  2. WinCC SCADA Training Course

Basics of Programmable Logic Controller (PLC)

  1. What is a Programmable Logic Controller ?

  2. History of Programmable Logic Controllers (PLC)

  3. Overview of SCADA

  4. Difference between DCS, PLC, and RTU ?

  5. DCS Architecture Vs PLC Architecture

  6. What is a Human-Machine Interface (HMI) ?

  7. Essential Documents in a PLC System

  8. Alarm and Trip Documentation

  9. Basics of Switches – NO/NC Contact

  10. What Sinking & Sourcing ?

  11. Relay circuits

  12. What is Ladder Diagram ?

PLC Logic & Functions

  1. Introduction to PLC Ladder Diagrams

  2. PLC Logic Functions

  3. PLC Latching Function

  4. PLC Multiple Outputs Configuration

  5. PLC Program Examples

  6. Equivalent Logic Gates & PLC Ladder Diagrams

PLC Input/Output Cards

  1. PLC Input/Output Modules

  2. PLC Digital Input and Output Modules

  3. PLC Ladder Logic : Contacts and coils

  4. PLC Analog I/O and Network I/O

  5. PLC Analog Input Card Resolution Effects on Accuracy

  6. PLC Problems Troubleshooting

  7. PLC Analog Input Conversion Formula

  8. PLC Output Types

  9. PLC Analog I/O Potential Problems

PLC Design Rules

  1. Why Normally Closed Contact For Stop Buttons ?

  2. Failsafe Wiring Practices

  3. PLC Sinking & Sourcing Concept

  4. PLC Analog Signals Wiring Techniques

  5. PLC Digital Signals Wiring Techniques

  6. How to Reduce Relay Noise in PLC Systems

  7. Basics of Permissive and Interlock Circuits

  8. Basics of Fail-safe Circuits

  9. What is Interposing Relay in a PLC System?

  10. Motor Control Circuits

PLC Programming

  1. Basics of Ladder Diagram in PLC Programming (VIDEO)

  2. PLC Programming languages

  3. Basics of PLC Programming

  4. Mis-conceptions of PLC Ladder Logic

  5. PLC Ladder Logic Example

  6. Free SCADA Software Download

  7. What is Seal-in Circuit ?

  8. PLC Example with Switches

  9. Click Here to Read Article

  10. PLC Counter Instructions

  11. PLC Timer Instructions

  12. PLC Math instructions

  13. PLC Data Comparison Instructions

  14. PLC Memory Mapping & I/O addressing

PLC Industrial Automation

  1. How a PLC Reads the Data from Field Transmitters

  2. How PLC Controls a ON/OFF Valve ?

  3. How PLC Controls a Motor ?

  4. How to Troubleshoot a PLC System

  5. How a PLC do the Scaling for a Sensor ?

  6. PLC Analog Input Scaling

  7. PLC Pneumatic Circuit Control

PLC Interview Questions & Answers

  1. PLC Interview Questions and Answers

  2. Industrial Networking & Wireless Interview Questions

  3. PLC/DCS Interview Questions & Answers

  4. Control Room and Field Instruments Questions & Answers

  5. Industrial Automation Engineers Interview Questions

  6. PLC/SCADA Engineers Interview Questions

  7. SCADA Interview Questions & Answers

  8. Siemens PLC Interview Questions & Answers

  9. Allen Bradley PLC Interview Questions & Answers

  10. Programmable Logic Controller Questions & Answers

  11. Industrial Instrumentation Questions & Answers

  12. Ethernet Communication Interview Questions & Answers

  13. Serial Communication Interview Questions & Answers

  14. Modbus Communication Interview Questions & Answers

  15. Fieldbus Communication Interview Questions

  16. OPC Communication Interview Questions & Answers

  17. Control Systems Interview Questions & Answers

  18. Interview Questions on PID Controllers

PLC Program Examples

  1. PLC Program for Mixing Tank

  2. PLC Program for Conveyor Motor

  3. PLC Program for Continuous Filling Operation

  4. PLC Program for Water Level Control

  5. PLC Program for Temperature Control using Thermostat

  6. PLC Program for Motor Starter

  7. PLC Program for Star Delta Motor Starter

  8. PLC Program using START & STOP Buttons

  9. PLC Program using Timers

  10. Allen Bradley PLC Subroutines

  11. PLC Program using Logic GATEs

  12. PLC Program using Counters

  13. PLC Program to Energize & De-energize the Outputs based on Events

  14. PLC Program for Conveyor System

  15. PLC Program for Analog Input Sampling

  16. PLC Program for Conditional Control Logic

  17. PLC Ladder Logic for 3 Phase Asynchronous Motor Control

  18. PLC Program for Latching and unlatching Circuit

  19. PLC Program for Automatic Parameter Initialization when Power UP

  20. PLC Program for Automatic Lamp Control in Storage Facility

  21. PLC Program for Two Way Switch Logic

  22. PLC Program for Sequential Motor Control

  23. PLC Program for Automatic Liquid Mixing Application

  24. PLC Program for Water filling and Discharging Process

  25. PLC Program for Daily Production Record

  26. PLC Program for Automatic Bottle Rejection System

  27. PLC Program for Positive Edge Pulse Output for One Scan Cycle

  28. PLC Program for Alarm Indication in Process

  29. PLC Program for Entry/Exit Control of Car Parking

  30. PLC Program for Alternate Output Circuit

  31. PLC Program for Blinking Lamp on 5 Seconds Interval

  32. PLC Program for IEC timers ( TON, TOF, TP &TONR ) used in S7-1200

  33. PLC Program for Flow Totalizer

  34. PLC Program for Artificial Fishpond Water Level Monitoring System

  35. PLC Program for Burglar Alarm Security System

  36. PLC Program for Automatic Heating and Mixing of Products

  37. PLC Program to Control Level of Parallel Tanks

  38. PLC Program to Control Level of Series Tanks

  39. PLC Program for Control Valve Scaling

  40. PLC Program to Read Temperature in PLC

  41. PLC Program for Counting Moving Objects on Conveyor

  42. Implement SR Flip Flop using PLC Ladder Logic

  43. PLC Program to Drain Same Products from Two Tanks

PLC Programming Questions & Answers

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PLC Ladder Logic Questions & Answers

Programmable Logic Controller (PLC) Questions and Answers – 1

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