Product Overview
The Foxboro FBM228 FOUNDATION Fieldbus Communication Module is a powerful interface for connecting FOUNDATION™ Fieldbus (FF) devices to Foxboro Distributed Control Systems (DCS). It supports both single and redundant configurations, ensuring uninterrupted data exchange and control reliability.
Moreover, each module provides four isolated H1 links with independent Link Active Schedulers (LAS), allowing efficient communication with up to 64 field devices. Designed for demanding industrial environments, the FBM228 delivers superior performance and long-term stability.
Functional Highlights
- Comprehensive FF Device Integration: Supports AI, AO, DI, DO, and PID blocks for flexible loop configurations.
- Redundant Operation: Works as a redundant pair with fault-tolerant processors and communication paths.
- Advanced Diagnostics: Includes blocks such as BIN, IIN, RIN, and ROUT for real-time device health analysis.
- High Capacity: Handles four H1 links, up to 16 devices per link, and 64 per module.
- Flexible Installation: Mounts easily on DIN rails or 19-inch racks using optional kits.
- Wide Compatibility: Works with Foxboro, Pepperl+Fuchs, Relcom, and third-party power conditioners.
In addition, the module’s modular design enables system scalability and optimized control placement—either in the field device or the host system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Communication Interface | 4 isolated H1 links with independent LAS |
| Supported Devices | Up to 64 devices per module |
| Baud Rate | 31.25 kbps (bus/tree topology) |
| Macrocycle Time | Minimum 200 ms (auto-adjustable) |
| Power Supply | 24 V DC, 3.8–5.0 W consumption |
| Operating Temperature | -20°C to +70°C (standard) / -40°C to +70°C (extended) |
| Humidity | 5–95% non-condensing |
| Mounting | DIN rail or 19-inch rack |
| Weight | Approx. 284 g |
| EMC Compliance | European EMC Directive 2014/30/EU |
| Safety | UL/UL-C, ATEX Zone 2 compliant |
| RoHS Compliance | Directive 2011/65/EU |
| Part Numbers | FBM228: RH101SF (replaces RH973LB), Redundancy Adapter: RH922RK |
Therefore, the FBM228 meets international standards for performance, safety, and environmental sustainability.
System Integration and Applications
The FBM228 integrates seamlessly with Foxboro DCS, providing efficient management of FOUNDATION Fieldbus networks in oil & gas, petrochemical, and power industries.
Typical applications include:
- Connecting smart transmitters, positioners, and actuators.
- Establishing redundant fieldbus segments for high-availability systems.
- Integrating FF diagnostic data into centralized asset management tools.
Furthermore, its flexible architecture simplifies expansion and minimizes downtime during maintenance or system upgrades.
Details
| Weight | 0.63 kg |
|---|---|
| Dimensions | 610 × 503 × 140 mm |
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