Product Overview

The Foxboro FBM241C (P0914WM) functions as a high-performance, channel-isolated I/O interface for the I/A Series and Foxboro Evo Distributed Control Systems (DCS). This 100% Brand New original module features a versatile hybrid configuration, providing 8 discrete contact sense inputs and 8 discrete switch outputs. Engineered for high-integrity process control, the FBM241C utilizes full galvanic isolation for every channel to eliminate ground loops and prevent noise migration. It serves as a critical bridge for managing motor starters, solenoid valves, and status feedback in demanding petrochemical, power generation, and water treatment applications.

Technical Specifications

• Module Type: Channel Isolated Discrete I/O

• Part Number: P0914WM (FBM241C)

• Discrete Inputs: 8 Channels (Contact Sense)

• Discrete Outputs: 8 Channels (Switch Outputs)

• Input Voltage Range: 15–60 VDC

• DC Output Rating: 15–60 VDC at 2 A (Maximum per channel)

• AC Output Rating: Up to 240 VAC at 5 A (Maximum per channel)

• Isolation: Full galvanic isolation (Channel-to-Channel and Channel-to-Logic)

• Communication: Redundant Foxboro FBM Bus

• Dimensions: 11 cm x 11.5 cm x 4.5 cm

• Weight: 0.34 kg

• Operating Environment: Industrial Grade (Oil & Gas, Power, Chemical)

Engineering Advantages

• Total Channel Isolation: The FBM241C (P0914WM) provides independent galvanic isolation for each of its 16 points. This architecture prevents a single field-side fault or electrical surge from cascading to other channels or damaging the DCS backplane, ensuring maximum system availability.

• High-Capacity Switch Outputs: Unlike standard low-power digital modules, this unit drives up to 5 A at 240 VAC. This robust switching capability allows the module to control large industrial actuators and motor control circuits directly, often removing the need for intermediate interposing relays.

• Redundant Bus Integration: The module utilizes a redundant communication interface to the Fieldbus. This dual-path connectivity ensures that the control processor maintains constant visibility and control over the field devices, even if one communication cable or hardware path fails.

• Compact Hybrid Footprint: By combining 8 inputs and 8 outputs into a single 4.5 cm wide module, the FBM241C optimizes cabinet density. It provides a complete control loop interface (command and feedback) within a single hardware slot, simplifying wiring and reducing rack space requirements.

FAQs

• Can the FBM241C handle both AC and DC loads simultaneously?The module supports both 15–60 VDC and 240 VAC switching; however, you must ensure that your external wiring and Termination Assembly (TA) match the specific voltage requirements of your field devices.

• Does this module require a specific Termination Assembly (TA)?Yes. Because the P0914WM supports high-current switching (up to 5 A), it requires a compatible high-power Termination Assembly to ensure the field-side connectors can handle the rated load safely.

• Is the FBM241C hot-swappable?The module supports hot-swapping on a powered baseplate. When replacing a unit, the I/O points will transition to their configured fail-safe states until the new module initializes.