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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Specification |
| Manufacturer | FOXBORO / Invensys / Schneider Electric |
| Model / Part Number | FBM230 / P0926GU (RH926GU) |
| Module Type | Fieldbus Communication Expansion Coupler |
| Ports | 4 Fieldbus expansion ports (isolated RS-485 / HDLC communication links) |
| Communication Rate | 2 MB/s Module Fieldbus rate |
| Redundancy | Dual-redundant bus paths (Bus A and Bus B) |
| Form Factor / Mounting | 200 Series compact enclosure / Baseplate DIN rail mount |
| Power Input | 24 V DC nominal (redundant power rails from baseplate) |
| Power Dissipation | 4.0 W maximum |
| Isolation | Galvanic isolation between fieldbus ports, backplane logic, and earth ground |
| Operating Temperature | −20 to +70°C (−4 to +158°F) |
Product Introduction & Supply Chain Strategy
The FOXBORO FBM230 (P0926GU) is a 4-port Fieldbus expansion module engineered for Foxboro I/A Series and EcoStruxure Distributed Control Systems (DCS). It serves as a high-speed communication bridge, extending the 2 MB/s redundant Module Fieldbus across multiple baseplate chains to connect remote fieldbus modules (FBMs) directly to Control Processors (CPs).
Because communication interface modules like the FBM230 represent single-point-of-failure bottlenecks across entire DCS baseplate chains, holding factory-sealed New Surplus stock is a vital operational insurance policy. Purchasing unused New Surplus inventory eliminates the severe risks of refurbished cards—such as degraded communication transceivers or worn backplane contacts—preventing total rack offline events and costly unscheduled plant shutdowns.
FBM230 P0926GU
FBM230 P0926GU
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Execute complete Lock-Out/Tag-Out (LOTO) procedures on the DCS cabinet power distribution units feeding the 200 Series baseplate.
- Wear an ESD-grounded wrist strap before handling the card to protect sensitive RS-485/HDLC communication transceivers.
- Record baseplate slot location and verify keying pin configurations on the 200 Series baseplate.
Stage 2: Removal
- Unlatch top and bottom red retaining clips on the front face of the existing FBM230 housing.
- Pull the module straight forward off the baseplate guide rails to ensure backplane connector pin headers are not bent.
- Inspect the exposed baseplate receptacle for dust, debris, or thermal discoloration prior to installing the new unit.
Stage 3: Installation (Clone & Seat)
- Verify physical keying tabs on the New Surplus FBM230 match the slot keying notches on the baseplate.
- Align the module housing with slot guide tracks and press firmly until the module backplane connector fully seats.
- Engage top and bottom retaining clips to lock the card securely against panel vibration.
Stage 4: Power-On & Testing
- Re-apply 24 V DC power supplies to the baseplate rails.
- Observe front-panel status LEDs: confirm the operational status LED glows steady green and active Fieldbus expansion port LEDs blink active.
- Verify communication handshakes across downstream FBM slots on the Foxboro Control Processor diagnostic display.
Firmware/Software Versions & Upgrade Notes
- Software Compatibility: Supported across Foxboro I/A Series System Software (v8.x) and EcoStruxure Control Software environments.
- Redundancy Configuration: Ensures dual-path communication (
Bus AandBus B) across expanded baseplates. Verify proper bus termination resistors on extended fieldbus cable runs. - Cable Architecture: Use official Foxboro Fieldbus expansion cables (such as twinaxial or shielded twisted-pair assemblies) to prevent bus noise and signal reflection across multi-baseplate clusters.
Frequently Asked Questions (FAQ)
Is this FOXBORO FBM230 P0926GU module brand new or refurbished?
This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability.
Why pay a premium for New Surplus over cheap refurbished cards online?
Communication cards like the manage data traffic for entire racks of I/O modules. A failure on a refurbished transceivers can drop communication to multiple field devices simultaneously, causing widespread loop failures that cost tens of thousands of dollars in lost production—far exceeding the savings of buying refurbished hardware.
What is the main function of the in a 200 Series cabinet?
The acts as a signal repeater and splitter for the 2 MB/s Module Fieldbus. It allows a single Control Processor (CP) or Fieldbus Isolator to extend communication across up to four separate baseplate extension lines.
Can the be hot-swapped while the DCS rack is live?
Yes. Foxboro 200 Series modules support live insertion and removal (hot-swapping) on energized baseplates without disrupting Fieldbus communication on adjacent active channels, provided proper ESD procedures are followed.
Does the require software programming or DIP switch configuration?
No. The operates as a hardware-level communication coupler and repeater; system addresses and routing are managed transparently via the Foxboro Control Processor software environment.
What warranty comes with this New Surplus P0926GU module?
Every New Surplus FOXBORO P0926GU module includes a full 1-year functional replacement warranty, supported by serial verification and complete pre-shipment quality inspection documentation.
