Core Ontology for Petroleum Installations · INF-UFRGS-Ontologies · CNPq INF-UFRGS-ENERGIA inf.ufrgs.br/ontologies/copi dee69df
ISA 5.1 symbol for transmitter housing
exported necessary
transmitter housing
IRI: http://www.inf.ufrgs.br/ontologies/copi#Transmitterhousing
Generated on 2026-05-04
Natural Language Definition
EN
A transmitter housing is an Assembly that bears an EnclosureFunction and that has a transmitter electronic circuit as a component part at all times, designed to provide environmental protection and physical containment for transmitter components.
PT-BR
Um invólucro de transmissor é uma Assembly que possui uma EnclosureFunction e que tem um circuito eletrônico de transmissor como parte componente em todos os momentos, projetado para fornecer proteção ambiental e contenção física para componentes do transmissor.
Formal Axioms
Semi-formal (Aristotelian)
TransmitterHousing ⊑ Assembly ⊓ ∃bearerOf.EnclosureFunction ⊓ ∃hasComponentPartAtAllTimes.TransmitterElectronicCircuit
First-Order Logic Theory
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▸ Stored override ∀x(TransmitterHousing(x) → Assembly(x) ∧ ∃f(EnclosureFunction(f) ∧ bearerOf(x,f)) ∧ ∃c(TransmitterElectronicCircuit(c) ∧ hasComponentPartAtAllTimes(x,c)))
OWL 2 / Turtle
@prefix copi: <https://www.inf.ufrgs.br/ontologies/copi/> . @prefix : <https://www.inf.ufrgs.br/ontologies/copi/> . @prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . @prefix bfo: <http://purl.obolibrary.org/obo/> . @prefix iof-core: <https://spec.industrialontologies.org/ontology/construct/> . @prefix iof-av: <https://spec.industrialontologies.org/ontology/annotation/> . @prefix skos: <http://www.w3.org/2004/02/skos/core#> . @prefix qudt: <http://qudt.org/schema/qudt/> . @prefix dcterms: <http://purl.org/dc/terms/> . @prefix foaf: <http://xmlns.com/foaf/0.1/> . @prefix apv: <http://inf.ufrgs.br/ontologies/apv#> . ### COPI — Core Ontology for Petroleum Installations ### Class module: TransmitterHousing <https://www.inf.ufrgs.br/ontologies/copi> rdf:type owl:Ontology ; dcterms:title "Core Ontology for Petroleum Installations (COPI)"@en ; dcterms:title "Ontologia Core para Instalações de Petróleo (COPI)"@pt-br ; dcterms:description "BFO/IOF-Core conformant ontology of equipment classes for petroleum production plants, developed using the five-step RDL enrichment method."@en ; skos:scopeNote "Material artifacts (bfo:material_entity) that (i) are part of a petroleum production plant, and (ii) bear at least one function whose realization involves the transport (e.g. production and injection), processing (separation and other processes), control, monitoring, measurement, containment or offloading of material or energy."@en ; skos:scopeNote "Artefatos materiais (bfo:material_entity) que (i) fazem parte de uma planta de produção de petróleo, e (ii) possuem ao menos uma função cuja realização envolve o transporte (p. ex. produção e injeção), processamento (separação e outros processos), controle, monitoramento, medição, contenção ou escoamento de material ou energia."@pt-br ; skos:scopeNote "COPI provides high-level equipment categories defined by function to demonstrate the defined-class mechanism. Equipment subtypes are annotated with references to CFIHOS and PCA RDL terms. COPI is not a reference data library; organizations should use CFIHOS, PCA RDL, or ISO 14224 for comprehensive equipment classification."@en ; skos:scopeNote "COPI fornece categorias de alto nível de equipamentos definidas por função para demonstrar o mecanismo de classe definida. Os subtipos de equipamentos são anotados com referências aos termos do CFIHOS e do PCA RDL. COPI não é uma biblioteca de dados de referência; organizações devem utilizar o CFIHOS, o PCA RDL ou a ISO 14224 para classificação abrangente de equipamentos."@pt-br ; owl:versionInfo "1.1.0" ; owl:imports <https://spec.industrialontologies.org/ontology/core/Core/> ; owl:imports <http://purl.obolibrary.org/obo/bfo/2020/bfo.owl> ; dcterms:creator "Nicolau Oyhenard dos Santos"@en ; dcterms:contributor "Cauã Antunes" ; dcterms:contributor "Haroldo Rojas" ; dcterms:contributor "Rafael Petry" ; dcterms:contributor "Régis Romeu" ; dcterms:contributor "Mara Abel" ; dcterms:isPartOf <https://inf.ufrgs.br/projetos/OntoKG> ; dcterms:publisher "Universidade Federal do Rio Grande do Sul (UFRGS)"@en ; dcterms:license <https://creativecommons.org/licenses/by/4.0/> ; dcterms:created "2026-04-08"^^xsd:date ; dcterms:modified "2026-10-08"^^xsd:date ; apv:GlobalMinLanguageCoverage "en pt-br" ; apv:ClassURIFormationRule "https://www[.]inf[.]ufrgs[.]br/ontologies/copi/(COPI_[0-9]{7}|[A-Z][A-Za-z0-9]*)" ; apv:ClassMinAnnotationCoverage "rdfs:label https://spec.industrialontologies.org/ontology/annotation/naturalLanguageDefinition" . iof-av:naturalLanguageDefinition rdf:type owl:AnnotationProperty ; apv:MinAnnotationLength 20 . ### Identity-giving function :COPI_0000500 rdf:type owl:Class ; # EnclosureFunction rdfs:subClassOf iof-core:DesignedFunction ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:allValuesFrom :COPI_0000501 # EnclosureProcess ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000054 ; # realizedIn owl:someValuesFrom :COPI_0000501 # EnclosureProcess ] ; rdfs:label "enclosure function"@en ; rdfs:label "função de proteção e invólucro"@pt-br ; iof-av:naturalLanguageDefinition "A DesignedFunction that is realized in an EnclosureProcess and that consists in providing physical containment and environmental protection for internal components or systems."@en ; skos:definition "A DesignedFunction that is realized in an EnclosureProcess and that consists in providing physical containment and environmental protection for internal components or systems."@en . ### Process type :COPI_0000501 rdf:type owl:Class ; # EnclosureProcess rdfs:subClassOf iof-core:PlannedProcess ; rdfs:label "enclosure process"@en ; rdfs:label "processo de proteção e invólucro"@pt-br ; iof-av:naturalLanguageDefinition "A PlannedProcess in which a housing structure provides physical containment and environmental protection for internal components, shielding them from external conditions such as moisture, dust, mechanical impact, and temperature variations."@en ; skos:definition "A PlannedProcess in which a housing structure provides physical containment and environmental protection for internal components, shielding them from external conditions such as moisture, dust, mechanical impact, and temperature variations."@en . :COPI_0000501 # EnclosureProcess rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasInput ; owl:someValuesFrom :COPI_0000037 # PortionOfFluid ] ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasSpecifiedOutput ; owl:someValuesFrom iof-core:InformationContentEntity ] . ### Equipment universal: TransmitterHousing :COPI_0000363 rdf:type owl:Class ; # TransmitterHousing rdfs:subClassOf iof-core:Assembly ; rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart) owl:someValuesFrom :COPI_0000500 # EnclosureFunction ] ; rdfs:label "transmitter housing"@en ; rdfs:label "invólucro de transmissor"@pt-br ; iof-av:naturalLanguageDefinition "A transmitter housing is an Assembly that bears an EnclosureFunction and that has a transmitter electronic circuit as a component part at all times, designed to provide environmental protection and physical containment for transmitter components."@en ; skos:definition "A transmitter housing is an Assembly that bears an EnclosureFunction and that has a transmitter electronic circuit as a component part at all times, designed to provide environmental protection and physical containment for transmitter components."@en ; iof-av:naturalLanguageDefinition "Um invólucro de transmissor é uma Assembly que possui uma EnclosureFunction e que tem um circuito eletrônico de transmissor como parte componente em todos os momentos, projetado para fornecer proteção ambiental e contenção física para componentes do transmissor."@pt-br ; iof-av:semiFormalNaturalLanguageAxiom "TransmitterHousing ⊑ Assembly ⊓ ∃bearerOf.EnclosureFunction ⊓ ∃hasComponentPartAtAllTimes.TransmitterElectronicCircuit"@en ; iof-av:firstOrderLogicAxiom "∀x(TransmitterHousing(x) → Assembly(x) ∧ ∃f(EnclosureFunction(f) ∧ bearerOf(x,f)) ∧ ∃c(TransmitterElectronicCircuit(c) ∧ hasComponentPartAtAllTimes(x,c)))"@en ; iof-av:isPrimitive "true"^^xsd:boolean ; iof-av:primitiveRationale "Constructive type based on physical structure as housing. Under OWA, sufficient conditions for transmitter housing would require specifying exact structural features (materials, dimensions, sealing mechanisms) that distinguish it from other instrument housings. The necessary conditions establish the core identity without risking false positives from other housing types that might share some structural features."@en ; skos:definition "[ISO 15926-4] A <TRANSMITTER HOUSING> is an <INSTRUMENT HOUSING> of a transmitter."@en .
Axiomatization Decision Log
1 Identity-Giving Function
Function class
EnclosureFunction ⊑ DesignedFunction
Realized in
EnclosureProcess ⊑ PlannedProcess
The function is reused from the already-enriched 'casing' class, as transmitter housing serves the same generic enclosure function - providing physical containment and environmental protection, but specifically for transmitter components.
2 Genus Determination
Assembly bfo:Object (BFO_0000030)

Causally unified material artefact composed of physically connected, separable MaterialComponent parts. Satisfies Assembly ⊑ MaterialArtifact ⊑ bfo:Object.

No 'instrument housing' class exists in the already-enriched classes. While 'casing' exists with similar enclosure function, transmitter housing is more specific to instrumentation context. Assembly is chosen as the most appropriate genus since a transmitter housing is a manufactured assembly designed to contain and protect transmitter components, with physically connected parts that form a single causally unified object.
3 Necessary Parts
Part class Parent Relation
None MaterialArtifact hasComponentPartAtAllTimes
The ISO 15926 definition indicates that a transmitter housing contains a transmitter electronic circuit, but no specific structural components of the housing itself (walls, cover, mounting features, etc.) are explicitly named in the available sources or component terms list.
4 Process Participation Signature ⟨I, O, T⟩
Inputs (I)
PortionOfFluid — environmental conditions (moisture, dust, chemicals) that could damage internal components
Outputs (O)
InformationContentEntity — protected signal transmission from enclosed transmitter
Transformation (T)
environmental protection provided to transmitter electronics enabling reliable signal transmission
Transmitter housing provides passive containment/protection, enabling the enclosed transmitter to function reliably in various environmental conditions. The transformation is protective containment rather than active signal processing.
5 Axiom Mode Decision

Necessary conditions only — modelled as a primitive universal (⊑, SubClassOf). Identity is grounded in designed function and cannot be reduced to a property checklist.

Constructive type based on physical structure as housing. Under OWA, sufficient conditions for transmitter housing would require specifying exact structural features (materials, dimensions, sealing mechanisms) that distinguish it from other instrument housings. The necessary conditions establish the core identity without risking false positives from other housing types that might share some structural features.
Cross-Standard Observations
Only one source (ISO 15926-4) provides definition. The definition is brief and focuses on the mereological relationship to transmitters rather than detailed functional or structural specifications.

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