A senior engineer, Sarah, walked by and saw Alex’s frustration. She looked at his screen.

Choose the specific model of your HMI (e.g., Harmony GTO, GTU, or STU). Ensure the model matches your physical hardware to avoid communication errors later. 2. Configuring Communication

Your HMI is only as smart as the data it receives. You must create a bridge between the software and your controller. Add an I/O Manager : Right-click on "I/O Manager" in the Navigator pane. Select Driver : For modern Schneider PLCs (like the M241 or M251), select Modbus TCP/IP SoMachine Network Define Equipment

: Choose your specific HMI model (e.g., HMIGTO, HMISTU) from the list.