From the industrial world news

Modbus, Profibus and Ethernet/IP: Industrial Communication Protocols

In industrial automation, simply installing devices and sensors physically is not enough; they need to communicate with each other and with central PLC controllers, meaning they must exchange data efficiently. Unlike office networks, industrial environments require continuous operation, high reliability, and resistance to strong electromagnetic interference. To meet these requirements, various industrial network protocols have been developed. One of the most frequently asked questions among automation engineers is “What is Modbus RTU?” and how it differs from other communication systems.