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Tag: modbus
RS-485: the physical layer under Modbus RTU and BACnet MS/TP
RS-485 is not a protocol but an electrical standard for a differential serial bus. Termination, topology, cable and the usual causes of an unstable line.
Modbus RTU and TCP: registers, functions and common mistakes
Modbus is the most widespread industrial protocol. Its data model, functions, RTU versus TCP and the mistakes that most often cost hours.
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SCADA systems: local monitoring and control of machines and buildings
SCADA provides monitoring, data acquisition and supervisory control of technical processes.
