P0916NB Foxboro Communication Interface

P0916NB Foxboro Communication Interface | New & Original Stock

Availability: 10 left in stock

Foxboro P0916NB Communication Interface Module The Foxboro P0916NB, also cataloged as the P0916NB Communication Interface Module, operates as a dedicated...

SKU: PO916NB

Manufacturer: Foxboro
Product No.: PO916NB
Product Type: Communication Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 160g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Foxboro P0916NB Communication Interface Module

The Foxboro P0916NB, also cataloged as the P0916NB Communication Interface Module, operates as a dedicated hardware component for communication distribution and fieldbus data routing within Foxboro I/A Series DCS platforms. The device provides direct physical/electrical execution for redundant data paths between control processors and peripheral Fieldbus Modules (FBMs), maintaining continuous telemetry mapping across the system backplane layer.

Hardware Specifications

Parameter	Specification
Model	P0916NB
Brand	Foxboro
Origin	USA
Weight	0.16 kg
Dimensions	161 x 110 x 20 mm
Operating Temp	0 to +60 deg C
Power Consumption	Less than or equal to 8 W
System Compatibility	Foxboro I/A Series DCS
Memory	16 MB SDRAM, 32 MB Flash
Communication Protocols	Proprietary Foxboro redundant fieldbus
Power Supply	24 VDC nominal
Humidity	Up to 95% RH (non-condensing)
Shock/Vibration	15 g shock, 0.05 g rms vibration
Certifications	CE, UL, CSA, IEC 61131-2

Process Control & DCS Network Properties

The communication circuit employs dedicated galvanic isolation barriers between the internal processing core and the active fieldbus segments to isolate delicate control logic from common-mode noise propagation. Running a local embedded controller, the module executes deterministic pass-through mapping for real-time 4-20 mA HART loop protocol diagnostic frames alongside standard digital I/O data states. Real-time diagnostics monitor structural network health parameters continuously, executing immediate fault isolation routines to preserve signal validation limits under heavy backplane bus loading.

Frequently Asked Questions

Q: Does the module support hot-swappable installation while the primary fieldbus is routing data? A: Yes, the hardware incorporates live-insertion circuitry that permits hot-swappable replacement on an active baseplate. Upstream processing configurations remain active, and adjacent fieldbus module links suffer zero data disruption during physical extraction or connection sequences.

Q: How does the internal flash memory architecture handle sudden power drops? A: Operating configuration states and firmware maps are saved directly inside the 32 MB non-volatile flash memory block. If a 24 VDC input drops, system metrics are retained securely, allowing immediate initialization and recovery of communication pathways upon power restoration.

Q: What is the behavior of the network link during a primary fieldbus failure? A: The module executes concurrent tracking across dual, independent proprietary fieldbus paths. If a physical break or signal attenuation is detected on the primary channel, the routing engine executes an instantaneous switch to the secondary line, avoiding timing dropouts in critical process loops.

Field Installation Guidelines

Baseplate Carrier Insertion: Orient the module within the designated slots of the Foxboro baseplate. Push firmly until the multi-pin connector seats into the passive backplane bus, then secure all mechanical retention elements to prevent connection gaps caused by mechanical vibration.
Redundant Power Input Verification: Supply separate 24 VDC feeds from independent power distribution rails to the backplane baseplate terminal strips. This dual-input connection ensures the interface layer remains operational if a single power block encounters a fault.
Shield Grounding Specifications: Terminate the communication cable shields at a centralized low-impedance master ground bus bar inside the enclosure panel. Never link the shield lines to external field ground vectors to prevent structural ground loop noise.
Distance and Routing Constraints: Route all communication lines through separate, dedicated wiring raceways. Maintain at least 30 cm of structural distance between low-voltage digital network lines and heavy AC motor starter loops or variable frequency drive conductors.

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