Includes a built-in soft PLC that acts as a Modbus TCP server, making it useful for training and simulation with tools like Factory I/O Expanded Templates:

| Use it if… | Avoid it if… | |------------|---------------| | You maintain M221 PLCs or legacy machines. | You need Structured Text or object-oriented programming. | | You want a fast, free simulator for ladder logic. | You are starting a new project – use EcoStruxure Machine Expert (also free). | | Your PC has limited resources (old laptop). | You require advanced debugging or real-time data logging. |

Windows 7 SP1, Windows 8.1, and Windows 10. 📥 How to Download and Install