DNP3 Explorer Blog
Articles, guides, and tutorials for DNP3 Explorer.
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.
Read articleDNP3 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.
Read articleHow 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.
Read articleDNP3 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.
Read articleDNP3 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.
Read articleDNP3 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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