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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 19–21 of 21 articles
Blog
DNP3
DNP3 vs. IEC 60870-5-101: Key Differences and Similarities in SCADA Protocols
Dive into the key differences and similarities between DNP3 and IEC 60870-5-101 protocols for SCADA/ICS systems, covering addressing, security, interoperability, and more.
7
Blog
MODBUS
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.
11
DNP3 Protocol
DNP3
DNP3 Protocol: How It Works, Objects, and Function Codes
DNP3 protocol explained with IEEE 1815-2012 detail — the four layers, object groups and variations, all 33 function codes, IIN bits, and conformance levels.
14