FBM24C / FBM25C

General Information

Manufacturer: Foxboro (Schneider Electric)

Model: FBM24C / FBM25C

Series: I/A Series EcoStruxure DCS Compact 200 Series

Type: 16‑Channel Isolated Discrete Output Module

Function: Interfaces DCS control signals to field discrete devices (valves, relays, indicators)

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

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

Protection Class: IP20

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

Weight: Approx. 600 g

Key Specifications

Channel Quantity: 16 galvanically isolated discrete output channels

Isolation: Per‑channel galvanic isolation (channel‑to‑channel, channel‑to‑ground)

Output Rating (External Powered):

15–60 VDC, up to 2 A per channel

120 VAC / 125 VDC, up to 0.5 A per channel

240 VAC, up to 0.5 A per channel

On‑state Voltage Drop: ≤ 0.2 V @ 2.25 A

Off‑state Leakage Current: ≤ 0.1 mA

Module Power: 24 VDC (+5% / −10%)

Power Consumption: ≤ 3 W

Operating Temperature: 0°C to +60°C

Storage Temperature: −40°C to +85°C

Humidity: 5%–95%, non‑condensing

Withstand Voltage: 600 VAC for 1 minute (channel‑to‑ground/channel‑to‑channel)

Main Features

16 Fully Isolated Output Channels: Eliminates crosstalk and fault propagation between channels.

Multi‑Voltage Compatibility: Supports 15–60 VDC, 120/240 VAC, and 125 VDC external power.

Configurable Operation:

Fail‑safe mode (hold, off, or preset state)

Sustained or momentary (pulse) outputs

Software‑selectable debounce filtering

Hot Swappable: Online replacement without system shutdown.

Redundancy Ready: Supports 1:1 redundant pairing for high availability.

LED Diagnostics: Front‑panel LEDs for module status and per‑channel indication.

Ladder Logic Support: Executes discrete I/O or ladder logic programs locally.

Versatile Termination Assemblies (TAs): Offer current limiting, fusing, relay/solid‑state outputs, and redundant power distribution.

Applications

Process Industries: Chemical, power, oil & gas, water treatment, and pharmaceuticals.

Discrete Control: On/off control of valves, relays, contactors, alarm lights, and interlock loops.

Harsh & Hazardous Areas: Class G3 environments and Class 1 Div 2/Zone 2 classified locations.

High‑Reliability Systems: Applications requiring redundancy, hot‑swap capability, and advanced diagnostics.