OPC Unified Architecture
type: Thing
alternate name: OPC UA
description: computer network protocol. Industrial communication and information modelling standard for interoperability. Specified as the IEC 62541 series
additional property: PropertyValue
  property ID: P31
  value: computer network protocol
additional property: PropertyValue
  property ID: P646
  value: /m/026g9gw
additional property: PropertyValue
  property ID: P856
  value: https://opcfoundation.org/about/opc-technologies/opc-ua
additional property: PropertyValue
  property ID: P921
  value: industrial automation
additional property: PropertyValue
  property ID: P973
  value: https://reference.opcfoundation.org/Core/Part14/v104/docs/7.3.2
additional property: PropertyValue
  property ID: P973
  value: https://opcfoundation.org/about/opc-technologies/opc-ua
additional property: PropertyValue
  property ID: P973
  value: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
additional property: PropertyValue
  property ID: P1641
  value: +4840
additional property: PropertyValue
  property ID: P1641
  value: +4840
additional property: PropertyValue
  property ID: P6366
  value: 2776402519
confidence:
  popularity graph score:
    score: 0.005
    score pct: 1
    tier: long_tail
    components:
      sitelinks: 6
      sitelinks norm: 0.014
      unique citations: 2
      unique citations norm: 0.001
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 6
  unique citations: 2
  monthly pageviews: 0
  yearly pageviews: 1867
  pageview trend:
    m: 2026-06
    v: 1035
  pageview trend:
    m: 2026-05
    v: 26
  pageview trend:
    m: 2026-05
    v: 81
  pageview trend:
    m: 2026-05
    v: 24
  pageview trend:
    m: 2026-05
    v: 145
  pageview trend:
    m: 2026-04
    v: 4
  pageview trend:
    m: 2026-04
    v: 9
  pageview trend:
    m: 2026-04
    v: 541
  pageview trend:
    m: 2026-04
    v: 2
  popularity:
    sitelinks: 6
    max: 423
    pct: 1.4
  tier: long_tail
claims:
  P31:
    value: Q15836568
    source count: 0
    confidence: 0.0
    value label: computer network protocol
  P646:
    value: /m/026g9gw
    source count: 1
    confidence: 0.2
  P856:
    value: https://opcfoundation.org/about/opc-technologies/opc-ua
    source count: 0
    confidence: 0.0
  P921:
    value: Q5086032
    source count: 1
    confidence: 0.2
    value label: industrial automation
  P973:
    value: https://reference.opcfoundation.org/Core/Part14/v104/docs/7.3.2
    source count: 0
    confidence: 0.0
  P973:
    value: https://opcfoundation.org/about/opc-technologies/opc-ua
    source count: 0
    confidence: 0.0
  P973:
    value: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
    source count: 0
    confidence: 0.0
  P1641:
    value:
      amount: +4840
    source count: 1
    confidence: 0.2
  P1641:
    value:
      amount: +4840
    source count: 1
    confidence: 0.2
  P6366:
    value: 2776402519
    source count: 0
    confidence: 0.0
citations:
  source: Freebase Data Dumps
  stated in qid: Q15241312
  pub year: 2013
citations:
  source: Service Name and Transport Protocol Port Number Registry
  stated in qid: Q30335969
  retrieved: 2017-06-19
meta:
  wikidata id: Q623244
  domain: computer_network_protocol
  level: standard
  html url: https://4ort.xyz/entity/opc-unified-architecture
  markdown url: https://4ort.xyz/entity/opc-unified-architecture.md
  facts url summary: https://4ort.xyz/entity/opc-unified-architecture/facts.json
  facts url standard: https://4ort.xyz/entity/opc-unified-architecture/facts.json
  facts url full: https://4ort.xyz/entity/opc-unified-architecture/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-24T08:41:01.759879Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-04-11T00:03:12.772238+00:00Z