Course Outline
DAY-1:
Introduction to PLCs and basic Programming
- What is a PLC?
- Definition and basic principles
- Comparison between traditional relay logic and PLCs
- Common PLC applications in industries (e.g., manufacturing, process control)
- PLC Components Overview
- Main parts: CPU, I/O modules, Power supply
- Input devices: sensors, switches
- Output devices: motors, lights, actuators
- Basic PLC Programming
- Introduction to Ladder Logic (LD)
- Symbols used in Ladder Logic (contacts, coils, relays)
- Basic program structure (rungs and branches)
- Setting up a PLC System
- Connecting and powering up the PLC
- Introduction to the PLC programming software (e.g., Siemens TIA Portal, Allen-Bradley)
- Basic I/O configuration (assigning input/output devices)
- Basic Ladder Logic Program
- Writing a simple on/off control program (e.g., Start/Stop button controlling a light)
- Simulating the program using the PLC software
- Downloading and testing the program on the PLC
DAY-2:
Working with Inputs, Outputs, and Basic Control Logic
- Digital Inputs and Outputs
- Types of digital inputs and outputs (e.g., push buttons, switches, relays)
- How to use digital I/O in ladder logic programs
- Basic Control Functions
- NO (Normally Open) and NC (Normally Closed) contacts
- Using a Start button to turn on a light, and a Stop button to turn it off
- Introduction to contacts and coils in Ladder Logic
- Introduction to Timers
- Explanation of timers (ON Delay and OFF Delay)
- Basic applications of timers (e.g., controlling lights with a delay)
- Working with Digital Inputs and Outputs
- Program to control a light with a start/stop button
- Implementing a simple timer delay (e.g., turning on a light for 10 seconds)
- Basic Ladder Logic Programming
- Building simple ladder diagrams using push buttons, lights, and timers
- Simulating and testing the programs on the PLC
- Hands-on troubleshooting: resolving issues with digital I/O connections
DAY-3:
Introduction to Basic Process Control and Troubleshooting
- Introduction to Process Control
- Basic concept of process control in automation
- Simple examples of control systems (e.g., water tank level, conveyor control)
- Understanding PLC Program Structure
- Rungs, contacts, and coils explained in detail
- Ladder Logic structure for basic control systems
- PLC Troubleshooting Basics
- Understanding common errors in PLC programs
- How to read error codes from the PLC
- Common faults with I/O devices and how to identify them
- Afternoon Session (Practical)
- Building a Simple Control System
- Creating a basic process control project (e.g., controlling a water pump with a level sensor)
- Simulating the control system with ladder logic
- Testing and fine-tuning the system (adjusting timers, testing input/output functions)
- Troubleshooting Practice
- Hands-on exercises to identify and fix basic PLC program errors
- Diagnosing and solving common I/O problems (e.g., faulty wiring, incorrect programming)
- Review and Final Q&A
- Summary of key concepts covered in the course
- Open discussion and Q&A session
- Course completion and feedback

