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FOXBORO P0926GV FBM231 – Redundant Field Device System Integrator Module
Product Overview
The P0926GV FBM231 is a redundant Field Device System Integrator (FDSI) module developed by FOXBORO, designed to establish a reliable serial interface between dual-ported field I/O devices and FOXBORO Evo™ or I/A Series DCS systems. It addresses the industrial need for stable, redundant communication in critical processes, enabling seamless data transmission while ensuring fault tolerance. A pair of these modules operates in master-tracker configuration, with automatic role switching to prevent downtime, making it suitable for harsh industrial environments in petrochemical, power generation, and refining sectorsparesource.schneider-electric.com.
Technical Specifications — P0926GV FBM231
| Parameter | Value |
|---|---|
| Product Model | P0926GV FBM231 |
| Manufacturer | FOXBORO |
| Product Type | Redundant Field Device System Integrator (FDSI) Module |
| Power | 24 V DC; 5 W nominal |
| Communication / Protocol | RS-232, RS-422, RS-485 (configurable per port); asynchronous communication |
| Operating Temperature | -20 °C ~ 70 °C (Class G3 harsh environment) |
| Mounting | Modular baseplate (DIN rail or 19-inch rack); adjacent odd/even positions for redundancy |
| Dimensions (HxWxD) | 4 in × 1.75 in × 4.11 in (102 mm × 45 mm × 104 mm) |
| Weight | Approx. 1 kg (2.2 lb) |
| Typical Interfaces | 4 configurable serial ports; fieldbus connection to FCM 100ET/FCM 100E/FCP 270/FCP 280 |
| Compliance | CE, UL, IEC 61508 (SIL 2 compatible); ANSI/ISA-12.12.01 |
FOXBORO P0926GV FBM231
Key Features and Benefits — P0926GV FBM231
- Four serial ports, each individually configurable via software for RS-232, RS-422, or RS-485, supporting flexible connection to multiple device types.
- Redundant master-tracker configuration with automatic role switching on fault detection (e.g., heartbeat loss) or manual switching via SMDH.
- Supports up to 64 RS-485 devices or 4 direct RS-232/RS-422 devices, with up to 2000 DCI block connections for extensive system integration.
- Galvanic isolation (600 V AC for 1 minute) protects against electromagnetic interference, ensuring signal integrity in harsh industrial settings.
- Front-panel LEDs indicate operational status, communication activity, and master/tracker role for quick troubleshooting.
Related Models
- FBM230: FOXBORO field device integrator module, designed for single-ported field devices instead of dual-ported ones.
- FBM232: FOXBORO fieldbus interface module, connecting redundant Ethernet to higher-level controllers for network expansion.
- FBM214: FOXBORO 8-channel HART input module, dedicated to smart instrument data acquisition and remote configuration.
- FBM247: FOXBORO configurable analog/digital/pulse I/O module, suitable for mixed signal control applications.
Installation and Maintenance — P0926GV FBM231
- Mount modules in adjacent odd/even rack positions for redundant configuration, ensuring unobstructed airflow for heat dissipation.
- Connect to termination assemblies (TA) for field wiring; use appropriate cables (DB-25 for RS-232, twisted-pair for RS-485).
- Download required I/O drivers from FOXBORO’s protocol library; no on-site hardware configuration is needed.
- Regularly check LED indicators for abnormal status and clean module surfaces to prevent dust accumulation.
- Replace modules via hot-swapping to minimize system downtime during maintenance.
