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Add OPC UA Node Documentation#5240

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Add OPC UA Node Documentation#5240
sumitshinde-84 wants to merge 8 commits into
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opcua-documentation

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@sumitshinde-84

@sumitshinde-84 sumitshinde-84 commented Jun 22, 2026

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Description

This PR adds documentation for the OPC UA Certified Node. The documentation is adapted and refined from the original vendor documentation to align with the FlowFuse platform, terminology, and deployment environment.

The content has been reviewed and updated where necessary to reflect FlowFuse-specific considerations, while preserving the core functionality and configuration guidance provided by the vendor.

The documentation deliberately excludes vendor-specific topics that are outside the scope of FlowFuse, including:

  • Edition and tier limitations
  • License keys and on-premises license server configuration
  • Home Assistant installation instructions
  • Telemetry-related information
  • Vendor endpoint and network access requirements (e.g. kyu.sterfive.com, cryptlex.com)
  • Generic Node-RED and JavaScript programming patterns

The goal is to provide concise, FlowFuse-focused documentation that helps users configure and operate the OPC UA Certified Node within FlowFuse environments.

cc: @n-lark

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Checklist

  • I have read the contribution guidelines
  • I have considered the performance impact of these changes
  • Suitable unit/system level tests have been added and they pass
  • Documentation has been updated
  • For blog PRs, an Art Request has been created (instructions)

@sumitshinde-84 sumitshinde-84 changed the title Opcua documentation ADD OPC UA Node Documentation Jun 22, 2026
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👷 Deploy Preview for flowforge-website processing.

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@sumitshinde-84 sumitshinde-84 changed the title ADD OPC UA Node Documentation Add OPC UA Node Documentation Jun 22, 2026
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Images automagically compressed by Calibre's image-actions

Compression reduced images by 67.3%, saving 399.3 KB.

Filename Before After Improvement Visual comparison
src/node-red/flowfuse/ot/images/opcua/example-all-attributes-on-rfid-scan-result.png 90.7 KB 26.4 KB 70.9% View diff
src/node-red/flowfuse/ot/images/opcua/opcu-client2-read.png 82.9 KB 27.6 KB 66.7% View diff
src/node-red/flowfuse/ot/images/opcua/opcua-client2-monitor.png 84.1 KB 28.9 KB 65.6% View diff
src/node-red/flowfuse/ot/images/opcua/endpoint-subscriptions.png 65.0 KB 22.2 KB 65.8% View diff
src/node-red/flowfuse/ot/images/opcua/endpoint-verification-secure-error.png 54.6 KB 17.5 KB 68.0% View diff
src/node-red/flowfuse/ot/images/opcua/use-node-browser-to-select-node-id.png 52.6 KB 18.2 KB 65.5% View diff
src/node-red/flowfuse/ot/images/opcua/node-palette.png 43.9 KB 10.8 KB 75.3% View diff
src/node-red/flowfuse/ot/images/opcua/endpoint-verification-user-access-denied.png 36.5 KB 12.4 KB 66.0% View diff
src/node-red/flowfuse/ot/images/opcua/endpoint-verification.png 36.5 KB 12.6 KB 65.4% View diff
src/node-red/flowfuse/ot/images/opcua/endpoint-add-new.png 16.5 KB 6.0 KB 63.7% View diff
src/node-red/flowfuse/ot/images/opcua/nodeid-as-browse-path.png 16.6 KB 6.2 KB 62.6% View diff
src/node-red/flowfuse/ot/images/opcua/read-showing-endpoint-field.png 13.2 KB 5.1 KB 61.1% View diff

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Deploy Preview for flowforge-website ready!

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Performance: 77 (🟢 up 12 from production)
Accessibility: 96 (no change from production)
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SEO: 91 (no change from production)
PWA: -
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@sumitshinde-84

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@hardillb Could you please review this PR as well?

@hardillb

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@sumitshinde-84 No, I have never used these nodes and don't actually know anything about OPC-UA as a protocol

@sumitshinde-84

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@allthedoll, could you please assign this PR to someone who can review it?

@sumitshinde-84 sumitshinde-84 requested review from allthedoll and removed request for hardillb June 23, 2026 15:05
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@Steve-Mcl @knolleary I have tagged you both to review these docs please :)

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3 participants