{"id":3746,"date":"2025-03-20T15:00:32","date_gmt":"2025-03-20T14:00:32","guid":{"rendered":"https:\/\/safetyandsis.com\/abreviaturas\/"},"modified":"2025-08-19T21:31:25","modified_gmt":"2025-08-19T20:31:25","slug":"abreviaturas","status":"publish","type":"page","link":"https:\/\/safetyandsis.com\/es\/abreviaturas\/","title":{"rendered":"Abreviaturas"},"content":{"rendered":"

Abreviaturas (siglas) utilizadas en Seguridad Funcional<\/h2><\/div>
<\/div><\/div>

Letras griegas<\/span><\/h3>\n

\u03b2: Factor Beta para fallos de causa com\u00fan (para fallos DU)<\/p>\n

\u03b2D<\/sub>: Factor beta para fallos de causa com\u00fan (para fallos DD)<\/p>\n

\u03bbDD<\/sub> : Tasa de fallos peligrosos detectados (fallos por hora)<\/p>\n

\u03bbDU<\/sub> : Tasa de fallos peligrosos no detectados (fallos por hora)<\/p>\n

\u03bbSD<\/sub> : Tasa de fallos detectados seguros (fallos por hora)<\/p>\n

\u03bbSD<\/sub> : Tasa de fallos detectados seguros (fallos por hora) …<\/p>\n

De A a L<\/h3>\n

BPCS: Basic Process Control System (tambi\u00e9n DCS)<\/p>\n

CC: Causa Com\u00fan<\/p>\n

CCF: Fallo de causa com\u00fan<\/p>\n

Cpt: Cobertura de Pruebas (tambi\u00e9n PTC)<\/p>\n

DC: Cobertura de Diagn\u00f3sticos [\u03bbDD<\/sub> \/ (\u03bbDU<\/sub> + \u03bbDD<\/sub>)]<\/p>\n

DCS: Sistema de Control Distribuido (tambi\u00e9n BPCS)<\/p>\n

DTT: De-energized To Trip<\/p>\n

E\/E\/PE: Electrical, Electronics, and Programmable Electronic<\/p>\n

ESD: Emergency Shut Down<\/p>\n

ETT: Energized To Trip<\/p>\n

EUC: Equipment Under Control<\/p>\n

FAT: Pruebas de Aceptaci\u00f3n en F\u00e1brica<\/p>\n

FC: Fail Close (v\u00e1lvula cierra cuando hay fallo de energ\u00eda\/aire)<\/p>\n

FE: Elemento Final (subsistema actuador)<\/p>\n

F&G: Fuego & Gas<\/p>\n

FIT: Failures in Time (fallos por mil millones de horas; \u03bb=FIT x 1E-9)<\/p>\n

FMEA: Failure Mode and Effect Analysis<\/p>\n

FMEDA: Failure Mode and Effect Analysis<\/p>\n

FO: Fail Open (v\u00e1lvula abierta cuando hay fallo de alimentaci\u00f3n\/aire)<\/p>\n

FST\/FVST: Full Valve Stroke Test<\/p>\n

GUI: Graphic User Interface<\/p>\n

HAZID: Hazard Identification study<\/p>\n

HAZOP: Hazard and Operability study<\/p>\n

HFT: Tolerancia a fallos de hardware<\/p>\n

HIPPS: High Integrity Pressure Protection System<\/p>\n

HMI: Interfaz Hombre M\u00e1quina<\/p>\n

HP: Alta Presi\u00f3n<\/p>\n

ICSS: Sistema Integrado de Control y Seguridad<\/p>\n

IEC: Comisi\u00f3n Electrot\u00e9cnica Internacional<\/p>\n

IPL: Capa de Protecci\u00f3n Independiente<\/p>\n

IS: Seguridad intr\u00ednseca<\/p>\n

LT: Vida \u00fatil del SIF (tambi\u00e9n MT)<\/p>\n<\/div><\/div><\/div>

De M a Z<\/span><\/h3>\n

MDT: Tiempo Medio de Detecci\u00f3n (MTTR=MDT+MRT)<\/p>\n

MooN: M de N (arquitectura)<\/p>\n

MOV: V\u00e1lvula motorizada<\/p>\n

MPRT: Tiempo M\u00e1ximo de Reparaci\u00f3n Permitido<\/p>\n

MRT: Tiempo Medio de Reparaci\u00f3n (MTTR=MDT+MRT)<\/p>\n

MT: Tiempo de misi\u00f3n del SIF (tambi\u00e9n LT)<\/p>\n

MTBF: Tiempo Medio Entre Fallos<\/p>\n

MTTF: Tiempo Medio Hasta el Fallo<\/p>\n

MTTFS: Tiempo Medio entre fallos esp\u00fareos<\/p>\n

MTTR: Tiempo Medio Para Restaurar (MTTR=MDT+MRT)<\/p>\n

NC: Normalmente Cerrado<\/p>\n

NO: Normalmente Abierto<\/p>\n

PFD: Probabilidad de fallo en demanda<\/p>\n

PFDavg<\/sub> : Promedio de Probabilidad de fallo en demanda<\/p>\n

PFH: Probabilidad de fallo peligroso por hora<\/p>\n

PFS: Probabilidad de fallo seguro<\/p>\n

PHA: Process Hazard Analysis<\/p>\n

PL: Performance Level (para maquinaria)<\/p>\n

PLC: Controlador l\u00f3gico programable<\/p>\n

PRV: V\u00e1lvula de alivio de presi\u00f3n<\/p>\n

PST:Tiempo de seguridad del proceso<\/p>\n

PST\/PVST: Prueba de carrera parcial de v\u00e1lvula<\/p>\n

PTC: Cobertura de Pruebas (tambi\u00e9n Cpt)<\/p>\n

PTD: Duraci\u00f3n de las pruebas (horas con bypass activado)<\/p>\n

RBD: Reliability Block Diagram<\/p>\n

RO: Restriction Orifice<\/p>\n

RRF: Factor de Reducci\u00f3n de Riesgo<\/p>\n

SAT: Site Acceptance Tests<\/p>\n

SFF: Fracci\u00f3n de fallo seguro<\/p>\n

SIF: Funci\u00f3n Instrumentada de Seguridad<\/p>\n

SIL: Nivel de Integridad de Seguridad<\/p>\n

SIS: Sistema Instrumentado de Seguridad<\/p>\n

SOV: V\u00e1lvula solenoide o de cierre<\/p>\n

SRS: Especificaci\u00f3n de Requerimientos de Seguridad<\/p>\n

STR: Tasa de disparos esp\u00fareos<\/p>\n

TBD: To Be Defined<\/p>\n

TI: Intervalo de prueba<\/p>\n<\/div><\/div><\/div>

Tags<\/span><\/h3>\n

Medicion de:<\/h4>\n

B: Combusti\u00f3n, Llama<\/p>\n

F: Flujo<\/p>\n

L: Nivel<\/p>\n

P: Presi\u00f3n<\/p>\n

R: Radiaci\u00f3n<\/p>\n

S: Velocidad, Frecuencia<\/p>\n

T: Temperatura<\/p>\n

V: Vibraci\u00f3n<\/p>\n

Z: Posici\u00f3n<\/p>\n

Equipos:<\/h4>\n

C: Compresor<\/p>\n

P: Bomba<\/p>\n

R: Relay<\/p>\n

S: Switch<\/p>\n

T: Transmisor<\/p>\n

XV: V\u00e1lvula<\/p>\n

XY: V\u00e1lvula Solenoide<\/p>\n

Setpoint:<\/h4>\n

H: Alta<\/p>\n

HH: Muy Alta<\/p>\n

L: Baja<\/p>\n

LL: Muy Baja<\/p>\n

Ejemplos:<\/h4>\n

PT-10: Transmisor de presi\u00f3n<\/p>\n

FSL-25: Interruptor para disparo por bajo caudal<\/p>\n

FSLL-26: Interruptor para disparo por caudal bajo bajo<\/p>\n

ZSO-100: Interruptor de proximidad para la posici\u00f3n abierta<\/p>\n

ZSC-100: Interruptor de proximidad para posici\u00f3n cerrada<\/p>\n

XV-100: V\u00e1lvula de seguridad<\/p>\n

P-100A: Bomba<\/p>\n

VSHH-200: Interruptor de muy alta vibraci\u00f3n<\/p>\n<\/div><\/div><\/div><\/div>

<\/div>

Enlaces relacionados:<\/p>\n

Glosario de T\u00e9rminos: https:\/\/www.exida.com\/Resources\/Glossary\/a<\/a><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-3746","page","type-page","status-publish","hentry"],"yoast_head":"\nAbreviaturas (acr\u00f3nimos) de Seguridad Funcional<\/title>\n<meta name=\"description\" content=\"Abreviaturas m\u00e1s utilizadas en la Seguridad Funcional, as\u00ed como medidas habituales, tipos de equipos y ejemplos de tags.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/safetyandsis.com\/es\/abreviaturas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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