exported
equivalent
COPI_0000157
Transmitter
IRI:
https://www.inf.ufrgs.br/ontologies/copi/COPI_0000157
Generated onGerado em 2026-04-09
Natural Language DefinitionDefinição em Linguagem Natural
EN
A transmitter is an instrument that bears a signal transmission function, receiving process variable signals from sensors and converting them into standardized output signals for transmission to control systems.PT-BR
Um transmissor é um instrumento que possui uma função de transmissão de sinal, recebendo sinais de variáveis de processo de sensores e convertendo-os em sinais de saída padronizados para transmissão a sistemas de controle.Formal AxiomsAxiomas Formais
Semi-formal (Aristotelian)Semi-formal (Aristotélico)
Every transmitter is an instrument that has the function of signal transmission and has a sensor element and signal conditioner and transmission module and receives process variable inputs and produces standardized signal outputs.First-Order Logic TheoryTeoria em Lógica de Primeira Ordem
[Definition]∀x (Transmitter(x) ↔ Instrument(x) ∧ ∃f (SignalTransmissionFunction(f) ∧ bearerOf(x,f)) ∧ ∃bearerOf.SignalTransmissionFunction ⊓ ∃hasInput.ProcessVariableSignal ⊓ ∃hasOutput.StandardizedSignal) — Steps 1–3: genus + identity-giving function
[Function axiom: SignalTransmissionFunction]∀f (SignalTransmissionFunction(f) → ∀p (realizedIn(f,p) → SignalTransmissionProcess(p)) ∧ ∃p (SignalTransmissionProcess(p) ∧ realizedIn(f,p))) — Step 1: ∀ preserves type-type identity; ∃ rules out vacuous functions never realised
[Process participation signature]∀x ∀f ((Transmitter(x) ∧ SignalTransmissionFunction(f) ∧ bearerOf(x,f)) →
∃m (ProcessVariable(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: Transmitter
<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
:SignalTransmissionFunction rdf:type owl:Class ;
rdfs:subClassOf :InstrumentationFunction ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:allValuesFrom :SignalTransmissionProcess
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty bfo:BFO_0000054 ; # realizedIn
owl:someValuesFrom :SignalTransmissionProcess
] ;
rdfs:label "signal transmission function"@en ;
rdfs:label "função de transmissão de sinal"@pt-br .
:InstrumentationFunction rdf:type owl:Class .
### Process type
:SignalTransmissionProcess rdf:type owl:Class ;
rdfs:subClassOf iof-core:PlannedProcess ;
rdfs:label "signal transmission process"@en ;
rdfs:label "processo de transmissão de sinal"@pt-br .
:SignalTransmissionProcess
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasInput ;
owl:someValuesFrom :ProcessVariable
] ;
rdfs:subClassOf [
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasSpecifiedOutput ;
owl:someValuesFrom :StandardizedSignal
] .
### Equipment universal: Transmitter
:Transmitter rdf:type owl:Class ;
owl:equivalentClass [
rdf:type owl:Class ;
owl:intersectionOf (
:Instrument
[
rdf:type owl:Restriction ;
owl:onProperty iof-core:hasFunction ; # Object branch (MaterialArtifact/Assembly/Object/FiatObjectPart)
owl:someValuesFrom :SignalTransmissionFunction
]
)
] ;
rdfs:label "transmitter"@en ;
rdfs:label "transmissor"@pt-br ;
iof-av:naturalLanguageDefinition "A transmitter is an instrument that bears a signal transmission function, receiving process variable signals from sensors and converting them into standardized output signals for transmission to control systems."@en ;
skos:definition "A transmitter is an instrument that bears a signal transmission function, receiving process variable signals from sensors and converting them into standardized output signals for transmission to control systems."@en ;
iof-av:naturalLanguageDefinition "Um transmissor é um instrumento que possui uma função de transmissão de sinal, recebendo sinais de variáveis de processo de sensores e convertendo-os em sinais de saída padronizados para transmissão a sistemas de controle."@pt-br ;
rdfs:subClassOf [ rdf:type owl:Restriction ; owl:onProperty bfo:BFO_0000196 ; owl:someValuesFrom :COPI_0000058 ] ;
# Disjointness: Transmitter and Actuator
[] rdf:type owl:AllDisjointClasses ;
owl:members ( :Transmitter :Actuator ) .
Axiomatization Decision LogRegistro de Decisões
1 Identity-Giving FunctionFunção Identitária
Function class
SignalTransmissionFunction
⊑ InstrumentationFunction
Realized in
SignalTransmissionProcess
⊑ PlannedProcess
All definitions consistently emphasize the core identity-giving function: receiving process variable signals and converting/transmitting them as standardized output signals. This signal transduction function is what makes a transmitter a transmitter regardless of the measured variable or sensing mechanism.
2 Genus DeterminationDeterminação do Gênero
Instrumentbfo:Object (BFO_0000030)
While parent candidates include 'instrument equipment' and 'Instrumentation And Control Equipment', transmitters are clearly a subtype of instruments - devices that measure, indicate, or control process variables. They are causally unified material artifacts designed for measurement and signal processing. The genus 'Instrument' is more specific than MaterialArtifact but not yet enriched in our ontology.
3 Differentia SpecificaDiferença Específica
∃bearerOf.SignalTransmissionFunction ⊓ ∃hasInput.ProcessVariableSignal ⊓ ∃hasOutput.StandardizedSignalA transmitter is distinguished from other instruments by its function of receiving process variable signals and converting them into standardized output signals for transmission to control systems or displays.
The differentia focuses on the signal conversion and transmission capability that distinguishes transmitters from other measurement instruments. The requirement for standardized output signals (typically 4-20mA, digital protocols) is a key distinguishing characteristic.
4 Necessary PartsPartes Necessárias
No necessary parts recorded.
These three components represent the essential functional architecture of any transmitter: sensing, signal conditioning, and transmission. Specific sensor types vary by subtype but the basic architecture is universal.
Process Participation SignatureAssinatura de Participação em Processo
InputsEntradas
{'type': 'ProcessVariable', 'count': 1, 'constraints': 'measurable physical quantity'}
OutputsSaídas
{'type': 'StandardizedSignal', 'count': 1, 'constraints': '4-20mA, digital protocol, or pneumatic'}
TransformationTransformação
process variable signal transduction and conditioning
Transmitters consistently transform physical process variables into standardized electrical, pneumatic, or digital signals suitable for transmission to control systems, displays, or data acquisition systems.
Disjoint WithDisjunto com
Actuator
C4: Actuator. Transmitters are sensing/measurement devices with signal outputs, while actuators and final control elements receive control signals and perform physical actions on the process. Their process signatures are fundamentally incompatible.
MetadataMetadados
| COPI IDCOPI ID | COPI_0000157 |
| IRIIRI | https://www.inf.ufrgs.br/ontologies/copi/COPI_0000157 |
| StatusStatus | exported |
| Axiom modeModo | equivalent |
| CreatedCriado | 2026-04-09 |
| 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 | Instrument |
| Root classClasse raiz | MaterialArtifact |
| Axiom modeModo | equivalent |
| FunctionFunção | SignalTransmissionFunction |
| ProcessProcesso | SignalTransmissionProcess |
| PartsPartes | 0 |
Source DefinitionsDefinições nas Fontes
5 sources
ISO 15926-4
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
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.
DEXPI
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
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.
POSC Caesar
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.