DNP3 (IEEE 1815) is the dominant SCADA protocol in North American electric utilities, water districts and oil & gas pipelines. ScadaHud is a DNP3 master that talks to RTUs and IEDs over serial or TCP without licensing a third-party stack.
Was ist DNP3?
DNP3 is a layered protocol designed for reliable polled and event-driven communication over noisy or low-bandwidth links. It supports time-stamped events, integrity polls, unsolicited responses, file transfer, and four object groups (Binary Input, Binary Output, Analog Input, Analog Output, plus counters and time). Secure Authentication v5 (SAv5) is the recommended security layer.
Was der ScadaHud-Treiber unterstützt
- DNP3 master over TCP and serial
- Class 0/1/2/3 polls and integrity polls
- Unsolicited responses with event buffering
- Binary inputs/outputs, analog inputs/outputs, counters
- Time synchronization with the outstation
- Configurable polling intervals per class
- Auto-reconnect with session restore
Häufige Anwendungsfälle
- Electric distribution SCADA with substation RTUs
- Water and wastewater telemetry (lift stations, reservoirs)
- Oil and gas pipeline monitoring
- Renewable energy farm aggregation (solar, wind)
SEL relays, GE Multilin, Schweitzer, ABB RTU560, Schneider SCADAPack, Siemens SICAM, Survalent, OSI Soft, Trihedral.
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