Configured for digitizing process transmitter signals in Foxboro I/A Series DCS networks, the Foxboro P0917QY-0C (P0917QW Analog Input Modules) provides direct physical/electrical execution across 16 isolated analog input channels. The module samples standard 4-20 mA DC current loops, utilizing 12-bit to 16-bit A/D conversion stages to pass digitized telemetry over the fieldbus backplane. Equipped with termination assembly bypass jacks, the hot-swappable unit operates on 24 VDC nominal power and maintains galvanic isolation between field instrument wiring and central logic buses.
| Parameter | Specification |
|---|---|
| Model | P0917QY-0C (P0917QW) |
| Brand | Foxboro |
| Origin | USA |
| Weight | Standard FBM weight profile |
| Dimensions | Standard FBM carrier assembly dimensions |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | 8 W approx |
| Product Type | Analog Input Modules |
| Input Channels | 16 isolated analog input channels |
| Signal Range | 4-20 mA DC process signals |
| Resolution | 12-bit to 16-bit A/D conversion |
| Galvanic Isolation | Channel-to-channel and channel-to-system isolation |
| System Bus Interface | Foxboro I/A Series redundant fieldbus |
| Power Supply Input | 24 VDC nominal |
| Storage Temp | -40 deg C to +85 deg C |
| Operating Humidity | 5% to 95% non-condensing |
The input module conditions 4-20 mA current loops from field transmitters before converting analog values into system memory registers. Operators interface with the 4-20 mA HART loop protocol on connected transmitters to extract secondary variable data and diagnostic alarms across individual channels. Channel-to-channel galvanic isolation prevents ground loops from skewing signal conversion accuracies in electrically noisy environments. Integrated diagnostic circuits execute watchdog routines and continuous self-tests, driving status LEDs to signal hardware status without causing scan cycle latencies.
Q: How do integrated bypass jacks affect loop signal integrity during maintenance procedures?
A: Integrated bypass jacks allow engineers to connect test meters or signal injectors directly into the termination assembly without breaking the active 4-20 mA process loop or disconnecting field wiring.
Q: Is hot-swapping permitted while the carrier baseplate remains powered?
A: Yes, the module supports live insertion and removal on an energized backplane carrier. Keyed connectors ensure power lines engage before data bus contacts to safeguard active communication lines.
Nuestra línea de producción se paró debido a un monitor Bently Nevada defectuoso. Lo encontramos en stock aquí y lo enviaron por DHL de inmediato. Volvió a funcionar en 48 horas, lo que realmente salvó nuestra planta.
Encontrar módulos nuevos y originales es fundamental para nuestra seguridad. Este equipo entrega componentes de fábrica con certificación completa. Su compromiso de vender únicamente productos nuevos los convierte en nuestro socio de mayor confianza.
Llevamos dos años abasteciendo aquí piezas de Honeywell y Schneider. Todos nuestros envíos llegan perfectamente embalados, con los precintos originales de fábrica intactos. Ofrecemos una comunicación clara y los mejores plazos de entrega del sector.