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FOXBORO P0916ND I/A Series Fieldbus Base-to-Base Cable

The FOXBORO P0916ND, also cataloged as the FOXBORO P0916ND Base-to-Base Cable, operates as a dedicated hardware component for 2 Mbps high-speed data interconnection between adjacent Fieldbus Module baseplates within Foxboro I/A Series DCS networks.

Hardware Specifications

Parameter Specification
Model P0916ND
Brand FOXBORO (Invensys / Schneider Electric)
Cable Type 2 Mbps Base-to-Base Fieldbus Interconnect Cable
Platform Compatibility Foxboro I/A Series DCS / FBM Baseplates
Physical Cable Length 0.25 meters (25.0 cm)
Communication Velocity 2 Mbps deterministic data transfer rate
Operating Temp 0 to 60 deg C
Storage Temp -40 to 85 deg C
Maximum Relative Humidity 95% RH non-condensing
Interface Application Inter-baseplate communication bus expansion
Mechanical Protection Heavy-duty low-profile jacketed data bus connector assembly
Certifications CE, UL, CSA
Physical Weight 0.15 lbs ( 0.07 kg)
Origin China

DCS Process Control and Loop Protocols

The FOXBORO P0916ND data assembly functions as the hardware link that extends the internal 2 Mbps fieldbus backplane across multiple baseplate segments. By establishing low-latency signal continuity, this interconnect component enables synchronous data exchange between processing units and remote Fieldbus Modules (FBMs). The internal multi-conductor balancing controls crosstalk and electromagnetic induction, maintaining the data frame accuracy required to process complex 4-20 mA HART loop protocol lines. This steady transmission line integrity ensures that downstream channel-to-channel and channel-to-bus isolation circuits execute validation routines without experiencing communication drift or packet loss.

Frequently Asked Questions

Q: Can the P0916ND bus cable be safely disconnected while the adjacent FBM baseplates are powered?

A: No. Unplugging the base-to-base cable while the system backplane is energized interrupts the 2 Mbps fieldbus trunk, which will instantly drop downstream modules offline and force all dependent control loops into their fail-safe trip states.

Q: How does the short length of the P0916ND cable affect signal propagation and impedance matching on the bus?

A: The 0.25-meter physical footprint is precisely calculated by the factory to minimize transmission line reflections and match the exact characteristic impedance of the Foxboro I/A Series backplane communication bus.

Q: What environmental shielding properties prevent data corruption across this cable interface?

A: The cable assembly features an integrated braided foil shield that encapsulates the data lines. This construction paths transient high-frequency noise directly to the chassis frame via the baseplate ground tabs, protecting signal frames from ambient interference.

Field Installation Guidelines

  • Connector Keying Alignment: Line up the integrated mechanical alignment keys on the P0916ND plug with the matching receptacle shroud on the baseplate prior to pushing the connector home to prevent pins from bending.
  • Latch Engagement Validation: Push the cable plugs into the baseplate ports until the internal mechanical retention clips click into place, securing the link against typical control cabinet vibrations.
  • Bend Radius Constraints: Do not force sharp bends or kinks into the 0.25-meter cable body during close-coupled cabinet routing. Maintain a smooth loop configuration to preserve the integrity of the internal copper wire strands.
  • Grounding Continuity: Check that the FBM baseplates themselves are locked to a common low-impedance master ground bus to ensure the braided shielding on the cable drains induced currents efficiently.

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