exported
equivalent
COPI_0000330
Position Transmitter
IRI:
https://www.inf.ufrgs.br/ontologies/copi/COPI_0000330
Generated onGerado em 2026-04-13
Natural Language DefinitionDefinição em Linguagem Natural
EN
A position transmitter is a transmitter that measures position or displacement and converts it to a standardized output signal.PT-BR
Um transmissor de posição é um transmissor que mede posição ou deslocamento e o converte em um sinal de saída padronizado.Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every position transmitter is a transmitter that has the function of position transmission and receives position or displacement signals as input.First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (PositionTransmitter(x) ↔ Transmitter(x) ∧ ∃f (PositionTransmissionFunction(f) ∧ bearerOf(x,f)) ∧ ∃participatesIn.PositionMeasurementAndTransmissionProcess ⊓ ∃bearerOf.PositionMeasurementCapability) — Steps 1–3: genus + identity-giving function
[Function axiom: PositionTransmissionFunction]∀f (PositionTransmissionFunction(f) → ∀p (realizedIn(f,p) → PositionMeasurementAndTransmissionProcess(p)) ∧ ∃p (PositionMeasurementAndTransmissionProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised
[Process participation signature]∀x ∀f ((PositionTransmitter(x) ∧ PositionTransmissionFunction(f) ∧ bearerOf(x,f)) →
∃m (PositionSignal(m) ∧ participatesIn(m,f)) ∧
∃e (StandardizedSignal(e) ∧ participatesIn(e,f)) ∧
processType(f,MeasurementTransduction)) — Step 5: typed participants in the realising process
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: PositionTransmitter
<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 "1.1.0-104-g4d16eff" ;
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 "2026-07-13"^^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
:PositionTransmissionFunction rdf:type owl:Class ;
rdfs:subClassOf :SignalTransmissionFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :PositionMeasurementAndTransmissionProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :PositionMeasurementAndTransmissionProcess
] ;
rdfs:label "position transmission function"@en ;
rdfs:label "função de transmissão de posição"@pt-br .
:SignalTransmissionFunction rdf:type owl:Class .
### Process type
:PositionMeasurementAndTransmissionProcess rdf:type owl:Class ;
rdfs:subClassOf :MeasurementProcess ;
rdfs:label "position measurement and transmission process"@en ;
rdfs:label "processo de medição e transmissão de posição"@pt-br .
:MeasurementProcess rdf:type owl:Class .
:PositionMeasurementAndTransmissionProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasInput ;
owl:someValuesFrom :PositionSignal
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :StandardizedSignal
] .
### Equipment universal: PositionTransmitter
:PositionTransmitter rdf:type owl:Class ;
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
:Transmitter
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :PositionTransmissionFunction
]
)
] ;
rdfs:label "position transmitter"@en ;
rdfs:label "transmissor de posição"@pt-br ;
iof-av:naturalLanguageDefinition "A position transmitter is a transmitter that measures position or displacement and converts it to a standardized output signal."@en ;
skos:definition "A position transmitter is a transmitter that measures position or displacement and converts it to a standardized output signal."@en ;
iof-av:naturalLanguageDefinition "Um transmissor de posição é um transmissor que mede posição ou deslocamento e o converte em um sinal de saída padronizado."@pt-br ;
rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000058 ] ;
# Disjointness: PositionTransmitter and TemperatureTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :PositionTransmitter :TemperatureTransmitter ) .
# Disjointness: PositionTransmitter and PressureTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :PositionTransmitter :PressureTransmitter ) .
# Disjointness: PositionTransmitter and FlowTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :PositionTransmitter :FlowTransmitter ) .
# Disjointness: PositionTransmitter and LevelTransmitter
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :PositionTransmitter :LevelTransmitter ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
PositionTransmissionFunction
⊑ SignalTransmissionFunction
Realized in
PositionMeasurementAndTransmissionProcess
⊑ MeasurementProcess
The identity-giving function is to measure position/displacement and convert it to a standardized signal for transmission. This is a specialized subtype of SignalTransmissionFunction that specifically deals with position variables.
2 Genus DeterminationDeterminação do Gênero
transmitterbfo:Object (BFO_0000030)
From parent_candidates, 'transmitter' is the most specific and appropriate genus, already enriched in our ontology with SignalTransmissionFunction. PROCESS VARIABLE TRANSMITTER would be more specific but is not yet in our system. Position transmitter is clearly a subtype of transmitter that specializes in position measurement.
3 Differentia SpecificaDiferença Específica
∃participatesIn.PositionMeasurementAndTransmissionProcess ⊓ ∃bearerOf.PositionMeasurementCapabilityReceives input signals specifically related to position or displacement measurements and realizes the capability to measure positional variables.
The differentia focuses on the specific input domain (position/displacement signals) and measurement capability, which distinguishes it from other transmitter types that handle different process variables.
4 Necessary PartsPartes Necessárias
No necessary parts recorded.
These are the essential components any position transmitter must have: a position-sensing element, signal processing electronics, and protective housing.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'PositionSignal', 'count': 1, 'constraints': 'mechanical displacement or position information'}
OutputsSaídas
{'type': 'StandardizedSignal', 'count': 1, 'constraints': '4-20mA, digital, or other standard format proportional to position'}
TransformationTransformação
signal transduction from mechanical position to standardized electrical/digital signal
Position transmitters transduce mechanical position information into standardized signals for process control systems, requiring power input and producing calibrated output signals.
Disjoint WithDisjunto com
TemperatureTransmitter PressureTransmitter FlowTransmitter LevelTransmitter
C2: TemperatureTransmitter, PressureTransmitter, FlowTransmitter, LevelTransmitter. Different transmitter types have incompatible measurement signatures - a single instrument cannot simultaneously measure position and temperature/pressure/flow as its primary function
MetadataMetadados
| COPI IDCOPI ID | COPI_0000330 |
| IRIIRI | https://www.inf.ufrgs.br/ontologies/copi/COPI_0000330 |
| StatusStatus | exported |
| Axiom modeModo | equivalent |
| CreatedCriado | 2026-04-13 |
| UpdatedAtualizado | 2026-07-12 |
| LLM modelModelo LLM | claude-sonnet-4-20250514 |
| VersionVersão | 2026-07-13 |
ISA 5.1-2022 — 5_2_1/001_transmitter_with_integral_primary_element_bubble_format.png
Quick factsDados rápidos
| GenusGênero | transmitter |
| Root classClasse raiz | MaterialArtifact |
| Axiom modeModo | equivalent |
| FunctionFunção | PositionTransmissionFunction |
| ProcessProcesso | PositionMeasurementAndTransmissionProcess |
| PartsPartes | 0 |
Source DefinitionsDefinições nas Fontes
3 sources
ISO 15926-4
POSITION TRANSMITTER
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
CFIHOS
position transmitter
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.
ISA5_1
Position Transmitter
Definition text withheld (copyrighted standard) — follow the source link above.Texto da definição omitido (norma protegida por direitos autorais) — acesse o link da fonte acima.