P22400 Acondicionador de señal estándar sin energía auxiliar | Aislamiento elevado | Para circuitos de seguridad hasta SIL 3
Número de producto:
P22400
Description
P22400 Acondicionador de señal estándar sin energía auxiliar | Aislamiento elevado | Para circuitos de seguridad hasta SIL 3
Seguridad funcional y máxima disponibilidad no son incompatibles
- Seguridad funcional hasta SIL 3
según EN 61508 con certificado de un organismo acreditado - Índice de fallos medio
MTBF 965 años - Errores de transmisión reducidos
0,08 % del val. entr. - Elevado aislamiento con protección contra descarga eléctrica
Gracias al aislamiento reforzado de hasta 600 V CA/CC - Tensión de prueba de 5,4 kV CA
- Pérdidas mínimas y reducido esfuerzo de instalación
gracias al funcionamiento sin alimentación - Diseño robusto
- Mecánicamente estable
con comprobación por parte de un laboratorio de prueba independiente, también para aplicaciones en barcos - Rango de temperatura ambiente en funcionamiento –40 a +85 °C
- Resistente frente a interferencias CEM/mayores exigencias para SIL
- 5 años de garantía
En las instalaciones industriales, por lo general se suelen separar las señales analógicas por motivos de medición y de técnica de seguridad.
Las exigencias a circuitos operativos y relacionados con la seguridad aumentan de forma continua, por ejemplo, con una sensibilidad creciente para las exigencias de la protección laboral.
De este modo, también aumentan las necesidades técnicas sobre los componentes usados. Una mayor seguridad funcional suele ir acompañada de mayor dificultad y a expensas de la disponibilidad„“. Pero no tiene por qué ser así, tal y como demuestra el acondicionador de señal estándar P22400.
Su principio básico permite la ejecución de un producto que combina de forma única una elevada seguridad funcional con una elevada disponibilidad – Algo casi imposible de conseguir.
SIL 3 propio en estructura de un canal
La función de seguridad del P22400 reside en la transmisión ultraprecisa y lineal de señales de 4 a 20 mA.
Incluso en una estructura de un canal y sin diagnóstico se puede alcanzar un elevado nivel de seguridad funcional. De este modo, por ejemplo, se pueden conectar directamente sensores y actuadores en circuitos de seguridad sin laboriosos equipamientos de evaluación para estructuras redundantes. Al mismo tiempo, la tasa de fallos es muy baja y la disponibilidad alta. Ya que, ¿de qué sirve un dispositivo de seguridad que se desconecta continuamente (entra en estado seguro) y que, de ese modo, deja fuera de servicio la instalación que supervisa?
P22400 es seguro y tiene una alta disponibilidad.
Knick Products Comply With UL - What Does That Mean?
ene 2018
Interface Technology
There are different assessments and approaches to reach an adequate level of safety. Manufacturers are typically on the “safe” side, if they comply with recognized standards.
Functional safety and maximum availability can go together
feb 2017
Interface Technology
The requirements on operational and safety-related circuits are continuously growing.
¡Estaremos encantados de atenderle!
Contacto
| Aislamiento CA/CC: | Hasta 600 V |
|---|---|
| Temperatura ambiente: | -40 … 70 °C |
| Función: | Transmisión/aislamiento de señales estándar |
| Entrada: | 0 ... 20 mA, 4 ... 20 mA |
| Salida: | 0 ... 20 mA, 4 ... 20 mA, Transmisión 1:1 |
| Tensión de prueba: | 5,4 kV CA |
| Alimentación: | Alimentación por bucle |
| Frecuencia de corte: | aprox. 100 Hz |
| Dimensiones (An x L x Al): | 12,5 x 99 x 114,5 mm |
| Características especiales: | Aislamiento basado en transformadores de señales de corriente estándar de 0(4) ... 20 mA, Alta fiabilidad: MTBF de 1106 años, Para circuitos de seguridad hasta SIL 3 (EN 61508), hasta PL c/PL e (EN 13849-1), También disponible como divisor de señal con 2 salidas con aislamiento, Uno o dos canales por dispositivo |
| Categoría de producto: | Aislador universal / Aislador de señales normalizadas |
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