May 26, 2026

Foxboro FCM10EF Product Description

The Foxboro FCM10EF (P0916CP) is a high‑performance fiber‑optic fieldbus communication module for the Foxboro I/A Series DCS (Schneider Electric EcoStruxure). It is an enhanced variant of the FCM10E, featuring 10 Mbps fiber Ethernet instead of copper, designed for long‑distance, high‑noise, and harsh industrial environments. With a rugged die‑cast aluminum enclosure and conformal coating, it provides superior EMI/RFI immunity, electrical isolation, and extended temperature stability. The module acts as a critical communication bridge, converting 10 Mbps fiber Ethernet signals from the DCS backbone to 2 Mbps fieldbus signals for DIN‑rail FBMs, enabling deterministic, reliable data exchange between control stations and distributed I/O in mission‑critical process control.

Description

Foxboro FCM10EF Product Description

Product Overview

Basic Information

Manufacturer: Foxboro (Invensys, now Schneider Electric)
Model: FCM10EF (Part Number: P0916CP)
Product Type: Fiber‑Optic Fieldbus Communication Module
Applicable System: Foxboro I/A Series DCS (compatible with all I/A Series control processors)
Mounting Style: DIN rail mount or rack‑mount baseplate installation
Protection Rating: IP20 (cabinet installation); 2500 VDC galvanic isolation between fiber and fieldbus sides
Construction: Rugged die‑cast aluminum housing with conformal coating; compact form factor
Certifications: CE, UL, CSA, ATEX, IECEx; meets ISA S71.04 G3 harsh environment standards
Operating Temperature: -20°C to +70°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 5% to 95% non‑condensing
Vibration/Shock: 5–200 Hz, 0.15 g; 30 g half‑sine shock (11 ms)
MTBF: ≥120,000 hours
Weight: Approximately 0.28–0.30 kg
Dimensions: 102 mm (H) × 44 mm (W) × 23 mm (D)
Country of Origin: United States

Function and Positioning

The FCM10EF functions as a long‑distance, noise‑immune communication hub and protocol converter within the I/A Series DCS, positioned for industrial sites requiring fiber‑optic connectivity and high electromagnetic compatibility. Its core role is to transparently convert 10 Mbps fiber Ethernet signals from the DCS control backbone to 2 Mbps fieldbus signals for up to 30 FBMs, and vice versa, ensuring seamless, low‑latency data flow between central control and distributed DIN‑rail I/O. The fiber interface eliminates ground loops and electrical noise interference, making it ideal for long cable runs (up to 2 km) and high‑noise areas. It supports 1:1 redundant pairing with automatic failover (≤40 ms) and hot‑swap capability, enabling maintenance without process shutdown. The module also provides advanced diagnostics and remote monitoring via Foxboro System Manager, enhancing system visibility and reducing unplanned downtime.

Core Performance Parameters

Communication Interfaces: 10 Mbps fiber Ethernet (control side, SC/ST connector); 2 Mbps fieldbus (FBM side, isolated)
Signal Conversion: Bidirectional 10 Mbps fiber Ethernet ↔ 2 Mbps fieldbus translation
Isolation: 2500 VDC galvanic isolation between fiber and fieldbus networks; channel‑to‑channel isolation
FBM Capacity: Up to 30 FBMs per module or redundant pair; up to 30 redundant pairs on the fiber backbone
Transmission Distance: Up to 2 km for fiber segments; fieldbus cable length up to 60 m
Power Supply: 24 VDC ±5% (–10% tolerance); power consumption ≤7 W (max)
Diagnostics: Dual‑color LEDs for power, link, and fault status; supports remote monitoring, event logging, and firmware updates
Redundancy: 1:1 module redundancy with seamless auto‑failover; redundant fiber network support
EMI Compliance: Industrial‑grade noise immunity (IEC 61000‑4‑2/3/4/5); G3 harsh environment compliant
Safety: IEC 61508 SIL 2 capable; suitable for high‑risk process zones

General Adaptable Accessories

DCS Chassis: I/A Series DIN rail mounting bases and rack‑mount enclosures for FCM10EF and FBM deployment
Communication Cables: 10 Mbps fiber optic cables (single‑mode/multi‑mode), 2 Mbps fieldbus shielded twisted pair cables, redundant synchronization cables
Interface Adapters: Fiber SC/ST to RJ45 converters, fieldbus terminal blocks, signal conditioners, isolation barriers for hazardous areas
Redundancy Accessories: Redundant 24 VDC power supplies, failover control modules, synchronization cables for 1:1 FCM10EF pairs
Mounting & Protection: DIN rail brackets, anti‑vibration kits, ESD protection modules, conformal coating kits, hazardous area barrier modules
Spare Parts: Replacement aluminum enclosures, LED indicator assemblies, fiber connector kits, connection terminals

Applicable Equipment and Fields

The FCM10EF is designed for large‑scale process industries using Foxboro I/A Series DCS, especially those requiring long‑distance fiber communication and high noise immunity. Key sectors include oil and gas (refining, petrochemicals, offshore platforms), thermal and nuclear power generation, chemical manufacturing, pulp and paper, water and wastewater treatment, pharmaceuticals, metals and mining, and railway process systems. It is ideal for connecting FBMs with HART/analog/digital I/O to the DCS in outdoor installations, remote process units, high‑voltage substations, and areas with heavy electrical interference, ensuring reliable real‑time monitoring and control in harsh industrial environments.

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