Product Details
The Foxboro P0926JMA, also cataloged as the P0926JMA Modular Baseplate, operates as a dedicated hardware component for structural mounting and backplane signal bus interconnection within Foxboro I/A Series DCS environments. It provides direct physical execution of modular 8-slot Field Bus Module (FBM) carrier housing and redundant power rail distribution. The assembly routes internal communication buses while regulating backplane voltage profiles to mounted I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0926JMA |
| Brand | Foxboro |
| Origin | USA |
| Weight | 0.2 kg (0.44 lbs) |
| Dimensions | 102.2 cm x 12.4 cm x 12.6 cm |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Passive (Backplane distribution: +5 VDC) |
| Slot Capacity | 8 Slots (Modular FBM) |
| Mounting Type | DIN Rail Mount |
| Storage Temp | -40 to +85 deg C |
| Humidity Rating | 5-95% RH (non-condensing) |
DCS Backplane Communication and Channel Isolation
The Foxboro P0926JMA baseplate integrates high-density multi-layer printed circuit traces engineered to maintain deterministic bus communications across all 8 module positions. Designed for Foxboro I/A Series architectures, the backplane traces deliver channel-to-channel isolation between power distribution buses and differential fieldbus communication loops. It conditions +5 VDC backplane power to preserve signal integrity and support transparent pass-through for 4-20 mA HART loop protocol field telemetry without inductive coupling.
Frequently Asked Questions
Q: Does the P0926JMA baseplate support hot-swapping of individual Field Bus Modules (FBMs)?
A: Yes, the backplane bus logic and connector pins allow live insertion and removal of individual FBM units without interrupting power or signal communication on adjacent operating slots.
Q: How is backplane power redundancy managed across the 8 slots of the P0926JMA?
A: The baseplate features integrated dual power distribution rails that route primary and secondary +5 VDC supply buses across all slots, ensuring continuous operation if one power feed degrades.
Field Installation Guidelines
- Mount the P0926JMA baseplate horizontally onto standard DIN rails, ensuring all retention clamps latch tightly against the rail base.
- Verify that adjacent baseplates connect via dedicated HDLC interface cables before applying system backplane power.
- Connect the primary system ground strap to the dedicated grounding stud on the baseplate frame to ensure full EMI/RFI shielding protection.
- Align module keyways before inserting FBM units into any of the 8 slots to prevent pin bending on the +5 VDC backplane connector headers.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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