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FCM100ET

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FCM100ET
May 27, 2026

FCM100ET

The FCM100ET is a high-speed, enhanced Field Communication Module designed by Foxboro (Schneider Electric) for the I/A Series DCS platform. Optimized for high-reliability industrial networks, it acts as a critical gateway bridging 100Mbps Ethernet and 2Mbps fieldbus networks, enabling seamless, low-latency bidirectional communication between the DCS and multi-protocol intelligent field devices. Engineered for harsh industrial environments, it supports redundant operation, hot-swappable design, and extended temperature tolerance, delivering enhanced data integrity and real-time performance for critical process automation and digital transformation applications.

Description

FCM100ET

Product Introduction

The FCM100ET is a high-speed, enhanced Field Communication Module designed by Foxboro (Schneider Electric) for the I/A Series DCS platform. Optimized for high-reliability industrial networks, it acts as a critical gateway bridging 100Mbps Ethernet and 2Mbps fieldbus networks, enabling seamless, low-latency bidirectional communication between the DCS and multi-protocol intelligent field devices. Engineered for harsh industrial environments, it supports redundant operation, hot-swappable design, and extended temperature tolerance, delivering enhanced data integrity and real-time performance for critical process automation and digital transformation applications.

Basic Information

  • Model: FCM100ET (P0926GS)

  • Brand: Foxboro (Schneider Electric, formerly Invensys)

  • Series: I/A Series DCS Enhanced Field Communication Module

  • Core Function: Ethernet-to-fieldbus gateway, high-speed multi-protocol communication

  • Processor: 32-bit industrial RISC processor

  • Memory: 8 MB program memory, 4 MB data memory

  • Power Supply: 24 VDC (18–30 VDC operating range)

  • Power Consumption: Max 8 W

  • Operating Temperature: -40 °C to +70 °C (extended range)

  • Mounting: Plug-in for Foxboro FBM200 series I/O rack; DIN rail compatible

  • Redundancy: Hot-swappable, paired redundant configuration with bumpless transfer

  • Approvals: CE, UL, CSA, IEC 61158, EN 50121 (railway EMC) compliant

Function and Positioning

The FCM100ET functions as a high-performance multi-protocol fieldbus interface, bridging the I/A Series DCS with intelligent field instruments including transmitters, valve positioners, process analyzers, and PLCs. It converts between DCS internal Ethernet protocols and industry-standard fieldbus protocols (Modbus RTU, Profibus-DP, HART), enabling real-time data acquisition, remote device configuration, and predictive diagnostics with millisecond-level response. Positioned as a high-end, high-speed communication module for process automation, it enhances system visibility and asset management by integrating digital device data into control and AMS systems, reducing maintenance costs and improving operational efficiency in continuous and mission-critical process environments.

Core Performance Parameters

  • Protocol Support: Simultaneous Modbus RTU, Profibus-DP, HART communication

  • Communication Interfaces: 1×10/100Mbps Ethernet; 1×2Mbps fieldbus; 2×isolated HART channels

  • Data Throughput: Millisecond-level real-time response; high-speed packet processing

  • Redundancy: Dual-module redundant operation with seamless failover; hot-swappable

  • Isolation: Channel-to-channel and channel-to-system electrical isolation; 2500Vrms protection

  • Environmental Protection: Enhanced resistance to vibration, dust, and EMI/RFI interference; conformal coating

  • Diagnostics: Onboard LED indicators for power, communication, and fault status; remote diagnostic support

  • Scalability: Supports up to 256 I/O points with remote I/O expansion; compatible with I/A Series controllers

General Compatible Accessories

  • Foxboro FBM200 series I/O rack and backplanes

  • Redundant 24 VDC industrial power supplies

  • Shielded fieldbus cables for Modbus, Profibus-DP, and HART

  • Foxboro I/A Series CP60, CP80, CP90, FCP270 controllers

  • AMS (Asset Management System) software for device diagnostics

  • Standard industrial DIN rail and panel mounting hardware

  • Foxboro InTouch and Wonderware System Platform software

  • Surge protectors and signal conditioners for field wiring

  • Redundant network switches and fiber optic converters

Applicable Equipment Fields

  • Process Control: Chemical, petrochemical, oil and gas, pharmaceutical, biotechnology

  • Power Generation: Thermal power plants, combined-cycle facilities, renewable energy, turbine control

  • Water & Wastewater Treatment: Municipal and industrial water systems, SCADA applications

  • Food & Beverage: Batch processing, packaging, and utility monitoring

  • Pulp & Paper: Process monitoring and quality control systems

  • Mining & Metals: Mineral processing, smelting, and material handling

  • Industrial IoT: Smart manufacturing, digital transformation, predictive maintenance

  • Railway & Transportation: Wayside control systems, rolling stock monitoring (EN 50121 certified)


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