How to Build Modbus TCP Slaves with W5500 on STM32 (Rust) and Bridge Them to OPC-UA?
Antony Mapfumo’s Week 9 project builds two STM32F446RE Modbus TCP slave nodes using a WIZnet W5500 Ethernet controller
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Components
Hardware components
WIZnet - W5500
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Project description
Summary Antony Mapfumo’s Week 9 project builds two STM32F446RE Modbus TCP slave nodes using a WIZnet W5500 Ethernet controller, then bridges their register data into an OPC-UA server written in Python. It shows static-IP setup, socket state machines, IEEE-754 register encoding, and a SCADA-friendly data model. Author introduction Antony “Tony” Mapfumo is a network engineer currently focused on Industrial IoT (IIoT) and embedded systems. On his blog he documents hands-on experiments that connect communications engineering (networks/protocols) with embedded development on STM32, using tools…
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