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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Specification / Value |
| Part Number | P0926GU |
| Communication Ports | 4 individually isolated serial communication channels |
| Physical Interfaces | Configurable per port: RS-232, RS-422, or RS-485 (2-wire/4-wire) |
| Supported Protocols | Modbus RTU, Allen-Bradley DF1, custom ASCII, and FDSI drivers |
| Baud Rate | Configurable from 300 bps to 38.4 kbps per channel |
| Galvanic Isolation | 600 V AC optical isolation between ports and control backplane |
| Power Consumption | 5.0 W maximum power consumption at 24 V DC |
| Operating Temperature | −20 to +70 °C (−4 to +158 °F) |
| Relative Humidity | 5 to 95% non-condensing |
| Environmental Rating | Class G3 harsh environment compliant (ISA S71.04) |
Product Introduction & Supply Chain Strategy
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. The Foxboro FBM230 (P0926GU) serves as a high-density Field Device System Integrator (FDSI) module, connecting up to four independent serial buses to the Foxboro Field Control Processor (FCP) for seamless data access across Modbus power meters, weigh scales, PLCs, and gas chromatographs.
Maintaining FBM230 units as New Surplus provides a strategic buffer against serial gateway communication failures without facing long OEM factory lead times. Sourcing original, non-refurbished stock avoids common failure modes seen in second-hand market parts—such as blown RS-485 line driver chips, corrupted driver memory blocks, and cracked backplane connectors—ensuring total system stability and a lower Total Cost of Ownership (TCO).
- FBM230 P0926GU
- FBM230 P0926GU
Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Execute full Lock-out/Tag-out (LOTO) on connected 24 V DC power rails and external serial communications cables.
- Wear a grounded ESD wrist strap before opening the protective anti-static packaging.
- Record all port configurations, protocol driver names, RS-485 termination resistor settings, and pinouts for each active port.
Stage 2: Removal
- Loosen the upper and lower captive retention screws on the FBM230 faceplate.
- Disengage the module extraction latches to unseat the high-density backplane connector.
- Pull the module straight out along baseplate guide rails to avoid bending backplane connector pins.
Stage 3: Installation (Clone & Seat)
- Verify the replacement module part number reads P0926GU and inspect pins for contamination.
- Align the card edges with the baseplate guide slot.
- Push the module inward until connectors engage, then press firmly to seat. Torque faceplate retaining screws to 0.5 Nm.
Stage 4: Power-On & Testing
- Restore 24 V DC baseplate power and verify input voltage reads between 21.6 V DC and 26.4 V DC.
- Observe front panel status LEDs: verify POWER lights solid green, FAIL remains unlit, and serial port TX/RX LEDs flash indicating active serial polling.
- Check Foxboro System Manager / FDSI driver status to verify all four channels reflect healthy communication handshakes without checksum errors.
Firmware/Software Versions & Upgrade Notes
- Recommended Version: Supported on Foxboro I/A Series System Software V8.2 through V8.8 and Control Core Services / EcoStruxure Foxboro DCS V9.0 or later.
- Baseplate Compatibility: Requires standard 200 Series 2-position, 4-position, or 8-position Foxboro baseplates (P0926HF, P0926KE series).
- Upgrade / Downgrade Warnings:
- Ensure the custom FDSI protocol driver file loaded in the FCP matches the exact driver version required by the target serial devices before hot-swapping hardware.
- Do not alter physical port dip-switches or jumpers on associated termination assemblies while the channel is online to avoid packet corruption.
Frequently Asked Questions (FAQ)
Why is this New Surplus FBM230 module priced lower than OEM list price?
Our pricing reflects unused surplus inventory obtained directly from global enterprise stock reserves, canceled capital projects, and system integrator surplus. This allows us to supply genuine OEM hardware at significant savings without waiting for factory manufacturing runs.
Are these modules completely unused or refurbished?
These modules are 100% New Surplus / Original New stock. They have never been placed into live process operation, feature zero backplane pin wear, and are supplied in original protective anti-static packaging. We maintain a zero-tolerance policy against refurbished or repaired parts.
Can I hot-swap the while the DCS baseplate is powered?
Yes, the supports live hot-swapping on powered baseplates. Once inserted, the active Field Control Processor recognizes the module address and re-downloads the FDSI channel configurations and driver binaries automatically.
Can each of the 4 ports run a different serial protocol independently?
Yes. Each port on the can be individually configured for different electrical standards (RS-232, RS-422, or RS-485) and distinct baud rates, allowing multiple instrument types to connect to a single module.
What warranty coverage comes with this New Surplus module?
Every (P0926GU) module is backed by a full 1-year replacement warranty, supported by visual connector checks, power-on diagnostic testing, and transceiver integrity testing prior to dispatch.
