PLC

Getting Started with CODESYS – Free PLC Programming

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Want to learn PLC programming but don’t have the hardware? Start here.

CODESYS is the industry-standard IEC 61131-3 development environment used by over 1,000 different device manufacturers (like ABB, WAGO, and Eaton). The best part? The simulation software is completely free.

In this practical, hands-on masterclass, we skip the theory and go straight to the software. You will watch over my shoulder as we download the tool, set up a virtual PLC, and write real logic that you can test immediately.

What You Will Learn:

Installation: How to download and install the CODESYS development environment.
Setup: Configuring a “Standard Project” and setting up a virtual controller.
Programming: Writing Ladder Logic and Function Blocks (Counters & Timers).
Visualization: Creating a dashboard to control your logic and see real-time feedback.

Lesson 1: Installation & Setup
- Downloading the software
- Installing .NET frameworks and prerequisites
Lesson 2: Your First Project
- Navigating the IDE
- Declaring Variables and Data Types
Lesson 3: Logic & Visualization
- Creating Counters and Resets
- Building the HMI Dashboard
- Quiz: (Optional) “What is the correct file extension for a CODESYS project?”