OPC UA 1.03 vs 1.05: Certification Ends 2026, Migration Guide
OPC Foundation ends OPC UA 1.03 certification at end of 2026. What 1.04/1.05 changed (ECC, JSON, roles, GDS) and how to migrate your products.
OPC UA FX v1.00.04 vs v1.00.03: What Changed in Part 81 and Part 84
UAFX v1.00.04 updates Part 81 ConnectionManager and Part 84 conformance units. What changed, and which version your stack really implements.
OPC UA FX Controller-to-Device vs Controller-to-Controller: What C2D Adds in 2026
OPC UA FX finished C2C and is extending to Controller-to-Device. How C2D differs from C2C, what Parts 81 and 84 add, and what it means for IIoT.
OPC UA Companion Specifications as MCP Tools: Wiring Industrial Semantics into AI Agents (2026)
OPC UA has 400+ companion specifications of industrial semantics. How to expose them to AI agents as MCP tools and RAG corpora - architecture, pitfalls and safety.
OPC UA vs MQTT Sparkplug B: The Industrial Connectivity Decision (2026)
OPC UA vs MQTT Sparkplug B compared for 2026 industrial connectivity: semantic modeling, state management, and when to run both together.
NAMUR Open Architecture (NOA): A Hands-On Second-Channel Monitoring Setup (2026)
A hands-on NAMUR Open Architecture (NOA) tutorial: the second monitoring channel, verification of request, a read-only OPC UA diode, and edge analytics without touching the DCS.
SCADA vs OPC vs IoT Platform vs Data Historian (2026)
SCADA vs OPC vs IoT platform vs data historian in 2026: what each layer does, where they overlap, and a decision matrix for your industrial data architecture.
Industrial Protocol Gateway Architecture: OT/IT Translation (2026)
A 2026 reference architecture for industrial protocol gateways: Modbus, OPC UA, MQTT and Profinet translation, edge buffering, security zones, and redundancy.
MTConnect vs OPC UA for Machine Tool Data (2026)
MTConnect vs OPC UA for machine tool and CNC data in 2026: data models, semantics, agents, write-back, and a decision matrix for shop-floor connectivity.
Digital Twin Information Models: AAS vs DTDL vs OPC UA
A 2026 comparison of digital twin information models - Asset Administration Shell, DTDL, and OPC UA: semantics, tooling, interoperability, and a decision matrix.