Product Details
The Foxboro P0926HF, also cataloged as the P0926HF Modular Baseplate, operates as a dedicated hardware component for fieldbus module interconnectivity and backplane power distribution within Foxboro I/A Series platforms. It accommodates up to 8 slot positions to interface 2 Field Control Processors (FCP) and 2 Fieldbus Modules (FBM) with dedicated time strobe synchronization.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0926HF |
| Brand | Foxboro |
| Origin | USA |
| Weight | 1.75 lbs |
| Dimensions | Standard sub-rack mounting footprint |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | Passive backplane routing |
| Slot Capacity | 8 slots total |
| Configuration | 4 position, 2 FCP slots, 2 FBM slots |
| Synchronization | Time strobe signals integrated |
Channel Isolation and Backplane Signal Integrity
The Foxboro P0926HF utilizes built-in backplane signal paths to isolate module communications from field-side interference. Integrating channel-to-channel isolation architecture across fieldbus connections prevents ground loop currents from affecting attached 4-20 mA HART loops and control processor buses. Time strobe signal routing across the backplane traces ensures deterministic data sampling without signal crosstalk.
Frequently Asked Questions
Q: Can modules installed on the P0926HF baseplate be hot-swapped during operation?
A: Yes, fieldbus modules and processors mounted on the baseplate support hot-swapping under power, provided proper ESD grounding procedures are followed and redundant power feeds remain active.
Q: How does the baseplate manage time strobe signal distribution?
A: Dedicated printed circuit traces carry time strobe synchronization pulses from the primary control processor across all slots, maintaining millisecond clock alignment across input and output channels.
Field Installation Guidelines
Mount the baseplate securely to a clean vertical enclosure surface or DIN rail system using standard mounting hardware. Ensure a minimum clearance of 50 mm above and below the baseplate to facilitate natural convection airflow for installed modules.
Verify that all backplane ground points are tied directly to the central cabinet earth bus bar using heavy-gauge copper grounding straps. Shielded field wiring connected to attached modules must be grounded at a single chassis point to eliminate potential differences. Ensure conduit connections maintain a minimum 5-thread engagement for NPT fittings to comply with panel enclosure integrity standards.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
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- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































