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.
What Is a Communication Protocol? Rules, Types, Examples
Communication protocol basics: what it is, how services and protocols differ, how a message moves layer by layer, and the main types used in IT and industry.
IEC 104 News 2026: Standard Updates, Security & NIS2 Compliance
Stay updated with the latest IEC 104 news for 2026, including IEC TS 60870-5-7 security extensions, standard status, testing updates, and SCADA interoperability.
DNP3 vs IEC 60870-5-104: Which Protocol Is Better for SCADA?
Compare DNP3 and IEC 60870-5-104 for SCADA systems—learn differences in architecture, performance, security, and use cases to choose the best protocol.
IEC-101 vs IEC-104 — Key Differences Explained
Clear technical comparison of IEC-101 vs IEC-104, explaining key differences, communication flow, and how IEC-101 to IEC-104 conversion works.
Modbus vs DNP3: A Technical Comparison for SCADA Engineers
Technical comparison of Modbus vs DNP3 (IEEE 1815) protocols covering architecture, communication layers, reliability, and cybersecurity.