The Foxboro P0916KP-0B, also cataloged as the FBM Digital Input Modules, operates as a dedicated hardware component for acquiring discrete status signals within Foxboro I/A Series DCS networks. The module processes 16 isolated input channels operating at a 24 VDC nominal voltage rating. Equipped with a 37-pin male connector interface for Type 4 cable connectivity, the rack-mounted assembly passes field contact sense telemetry across the carrier backplane while maintaining galvanic isolation between field circuitry and central control logic.
| Parameter | Specification |
|---|---|
| Model | P0916KP-0B |
| Brand | Foxboro |
| Origin | USA |
| Weight | 0.25 kg (0.56 lbs) |
| Dimensions | Standard FBM carrier module dimensions |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | 24 VDC backplane supply power |
| Product Type | Digital Input Modules |
| Input Channels | 16 discrete input channels |
| Signal Range | 24 VDC contact sense |
| Terminal Termination | 32 screw terminations |
| Field Connection | 37-pin male connector (Type 4 cable) |
| Galvanic Isolation | Channel-to-system galvanic isolation |
| System Bus | Foxboro I/A Series redundant Fieldbus |
| Storage Temp | -40 deg C to +85 deg C |
| Operating Humidity | 5% to 95% non-condensing |
The discrete input module receives dry contact switches and 24 VDC field voltage signals before digitizing state changes for system controllers. While co-located analog modules manage 4-20 mA HART loop protocol telemetry, this digital unit handles high-speed state change verification and limit switch monitoring. Internal optocouplers provide galvanic isolation barriers that prevent voltage surges on field wiring from damaging backplane microprocessors. Continuous self-testing algorithms verify input circuit health and monitor backplane data integrity without introducing latency into deterministic scan cycles.
Q: How does the 37-pin male connector configuration interface with field terminal blocks?
A: The module connects to external 32-screw terminal blocks via a pre-fabricated Type 4 cable assembly, establishing point-to-point wiring continuity between field contacts and input optocouplers.
Q: Is live module insertion permitted during system operation?
A: Yes, the unit supports hot-swapping on powered carrier baseplates. Power-sequencing pins engage backplane ground and power feeds before logic line pins engage, protecting communication integrity.
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