Tag - Building Automation
OPC UA, Modbus, and BACnet should not be compared only by which protocol is newer. Modbus fits low-level device register access, BACnet fits building automation interoperability, and OPC UA fits industrial semantic modeling, edge aggregation, and cross-system object views.
Blog, IoT Protocols and Interoperability , May 6, 2026 , BACnet, Building Automation, Edge Gateway, Industrial IoT, Modbus, OPC UA, Protocol Selection