FBM246

General Information

Manufacturer: Foxboro (Schneider Electric)

Model: FBM246 (Part No. P0914XN)

Series: I/A Series EcoStruxure DCS Compact 200 Series

Type: 8-Channel Isolated FoxCom Communication Module

Function: Intelligent device interface for Foxboro smart transmitters, supporting dual-baud communication

Environment: Class G3 harsh industrial environment (ISA S71.04)

Certification: CE, ATEX, CSA; Class 1 Division 2 / Zone 2 hazardous area approved

Weight: Approx. 600 g

Dimensions (mm): 140 (H) × 165 (W) × 45 (D)

Key Specifications

Communication Interface

Protocol: FoxCom (dual-baud rate)

System Bus: 4800 baud (redundant fieldbus, bidirectional)

Field Device: 600 baud (bidirectional)

Connection: Single twisted pair (2-wire) for power + digital communication

Channel & Isolation

Channels: 8 isolated channels for Foxboro intelligent field devices

Isolation: Per-channel galvanic isolation, 600 VAC 1-minute withstand

Field Power: Internal isolated power per channel; external power supported via balun module

Power & Operation

Supply Voltage: 24 VDC (+5% / -10%)

Power Consumption: ≤10 W (max)

Operating Temp: 0°C to +60°C

Storage Temp: -40°C to +85°C

Humidity: 5–95% (non-condensing)

Main Features

Dual-Baud FoxCom: 4800 baud (system) / 600 baud (field) for high-speed data exchange with smart transmitters.

8-Channel Isolation: Fully isolated channels eliminate crosstalk, enhance noise immunity, and contain faults.

Smart Transmitter Support: Native interface for Foxboro intelligent devices (pressure, temperature, flow), accessing digital values, diagnostics, and status.

2-Wire Operation: Single twisted pair carries both power and data, reducing wiring complexity and cost.

Hot-Swappable: Online replacement without system shutdown or field cabling disruption.

Redundancy: Supports 1:1 redundant fieldbus communication for high availability.

LED Diagnostics: Front-panel LEDs indicate module status and individual channel communication health.

Applications

Process industries: Chemical, power, oil & gas, water treatment.

Smart transmitter interface: Foxboro intelligent field devices in hazardous areas.

Digital process data acquisition with diagnostic capabilities.

Harsh environments with high EMI, dust, or corrosion (Class G3).