OPC UA Referenz TL;DR Serie

Eine umfassende, 10-teilige Schnellreferenz-Serie, die die Kernspezifikationen, Sicherheitsmodelle, Companion Specs und Best Practices der OPC UA-Modellierung erklärt.

Part 2OPC UA Reference

TL;DR — OPC UA Part 12: Global Discovery Server (GDS)

A quick-reference guide to OPC UA Part 12 (GDS), detailing certificate management, trust list distribution, and global server registration.

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Part 3OPC UA Reference

TL;DR — GDS Onboarding and Certificate Management

A quick-reference guide explaining the PUSH and PULL certificate management and onboarding flows in OPC UA Global Discovery Server (GDS).

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Part 4OPC UA Reference

TL;DR — OPC UA Machinery Companion Specification

A quick-reference guide to the OPC UA Machinery Companion Spec, covering machine identification, status, and job management.

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Part 5OPC UA Reference

TL;DR — OPC UA Machine Vision Companion Specification

A quick-reference guide to the OPC UA Machine Vision Companion Spec, detailing vision system integration, configuration, and results reporting.

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Part 6OPC UA Reference

TL;DR — OPC UA Information Modeling Best Practices

Best practices for designing clean, high-performance, and standards-compliant OPC UA information models and companion specs.

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Part 7OPC UA Reference

TL;DR — OPC UA Part 17: Alias Names

A quick-reference guide to OPC UA Part 17 (Alias Names) — FindAlias, the Aliases/TagVariables/Topics model, GDS aggregation, redundancy and failover.

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Part 8OPC UA Reference

ISA-5.1 Tag Naming vs. Explicit OPC UA Modelling

Why ISA-5.1 tags and explicit OPC UA information models pull in opposite directions — and how Part 17 Alias Names lets you keep both.

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Part 9OPC UA Reference

TL;DR — Reverse Connection in OPC UA

A quick-reference guide to OPC UA reverse connections — the ReverseHello message, firewall and NAT traversal, certificates, reconnection duties and alternatives.

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Part 10OPC UA Reference

TL;DR — ModelChangeEvents, SemanticChangeEvents and NodeVersion

A quick-reference guide to announcing address-space changes in OPC UA — ModelChangeEvents, SemanticChangeEvents, NodeVersion, event compression, and how NodeOPCUA implements them.

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Part 18OPC UA Reference

TL;DR: OPC UA Part 18: Role-Based Security

A quick-reference guide to OPC UA Part 18 (Role-Based Security), explaining identity mapping, RoleSet configurations, and local user management.

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