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300+ SCADA Protocol Articles & Guides
Deep dives on Modbus, DNP3, IEC 60870-5-101/104, IEC 61850, OPC UA, Profinet, MQTT, IEC 62443, and substation automation — written for practicing engineers.
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Showing 19–20 of 20 articles
OPC UA Protocol
OPC-UA
What Is OPC UA Protocol? Architecture, Security, Address Space and IEC 62541 Guide
Learn the OPC UA protocol (IEC 62541) including architecture, security model, address space, services, data access, alarms, and industrial applications in SCADA and IIoT.
7
Blog
BLOG-OTHER
Best Free SCADA Software in 2026: 12 Open-Source and Free Platforms Compared
Compare 12 free SCADA software platforms for 2026. Covers Rapid SCADA, SCADA-LTS, JSON-SCADA, Ignition, and more with protocols, tag limits, and download links.
9