Technical articles for industrial IT and OT teams
74 articles on OEE, Modbus, OPC UA and MQTT, OT security, industrial data, edge computing and IT/OT project planning.
All topicsOEE & production 10Industrial protocols 19OT security 19Industrial data 15Edge & IIoT 13IT/OT projects 13
3 articles · opc-ua
OPC UA security basics: modes, policies and certificate trust
What Sign and SignAndEncrypt actually change, which security policies to avoid, how application certificates and trust lists work, and the connection errors you will meet first.
OPC UA Companion Specifications: What They Are and When They Help
Generic OPC UA models get you interoperability; companion specs get you semantics. A field guide to the standard ecosystem.
OPC UA vs MQTT: When to Use Each in an Industrial Architecture
OPC UA and MQTT solve different problems. This guide maps each protocol to the architecture where it earns its place.
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