DNP3

6 articles tagged "DNP3" on the DNP3 Explorer blog.

This collection brings together every DNP3 article published on the DNP3 Explorer blog. "DNP3 vs Modbus for SCADA: Which Protocol for Utilities", "DNP3 vs IEC 60870-5-104: Power Utility Protocols Compared", "How to Simulate a DNP3 Outstation for Testing" — each one is a practical, hands-on guide written for engineers and system integrators who work with DNP3 Explorer in real industrial deployments. Whether you are choosing between protocols, troubleshooting a connection, or planning an integration, these articles cover the concepts, the trade-offs, and the step-by-step details you need.

6 articles

DNP3 vs Modbus for SCADA: Which Protocol for Utilities

DNP3 vs Modbus for SCADA compared. Event-driven reporting, timestamps, class polling, multi-drop vs point-to-point, and which fits utilities and water/wastewater.

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DNP3 vs IEC 60870-5-104: Power Utility Protocols Compared

DNP3 vs IEC 60870-5-104 compared. The two dominant power-utility SCADA protocols. Addressing, transport, event model, region, and which to choose for substations.

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How to Simulate a DNP3 Outstation for Testing

How to simulate a DNP3 outstation. Why you need a simulator, configuring addressing and points, generating Class 0/1/2/3 events, and testing a DNP3 master without field hardware.

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DNP3 Class 0, 1, 2, 3 Explained: Event Polling Strategy

DNP3 Class 0, 1, 2, 3 explained. Class 0 is a full snapshot; Classes 1-3 are prioritized event backlogs. How utility masters poll by class to retrieve only what changed.

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DNP3 Select-Before-Operate (SBO): Safe Control Outputs

DNP3 Select-Before-Operate explained. Why SBO guards critical controls, how the select-then-operate two-step works, select timeouts, and direct operate for non-critical points.

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DNP3 Explorer for macOS: Monitor SCADA Outstations on Utilities and Water Systems

Monitor DNP3 outstations, read binary/analog points, and scan Class 0/1/2/3 events on macOS. Built for utilities and water/wastewater using DNP3 protocol.

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