FOXBORO FBM232 P0926GW

Technical Specifications

• Module Supply Voltage: 12 V DC – 30 V DC isolated Compact 200 backplane power
• Typical Power Consumption: 0.5 W low-power rack card design
• Ethernet Interface: Single RJ45 10/100 Mbps auto-negotiation IEEE 802.3 port
• Supported Industrial Ethernet Protocols: Modbus TCP, Foxboro DCI, Ethernet/IP, OPC UA client
• Internal Backplane Bus: 2 Mbps Compact 200 Module Fieldbus
• Maximum Supported Ethernet Slave Nodes: 64 independent IP-addressable field devices per module
• Physical Module Dimensions: 139 mm × 118 mm × 18 mm slim rack card profile
• Module Net Weight: 0.20 kg ultra-lightweight construction
• Operating Temperature Range: -40 °C ~ +85 °C
• Storage Temperature Range: -40 °C ~ +85 °C
• Humidity Tolerance: 5 % – 95 % RH non-condensing
• Environmental Rating: ISA S71.04 Class G3 harsh industrial corrosive environment compliant
• Certifications: CE, UL, IEC 61508 SIL2, ATEX Zone 2 hazardous location certified

Function Features

1. Bidirectional protocol translation between DCS internal backplane bus and external industrial Ethernet networks
2. Native Foxboro DCI control block library for seamless linkage with Foxboro controller logic blocks
3. Auto IP address scanning function to detect all online Ethernet field devices without manual address entry
4. Independent communication fault diagnosis for each IP node, including timeout, link loss, IP conflict alarm
5. Hot-swap compatible with Compact 200 rack backplane, no full DCS system shutdown required during replacement
6. Front panel dual LED indicators for Ethernet link activity and module backplane communication status
7. Built-in data buffer with 10,000 real-time data point storage for offline data caching during network disconnection
8. Hardware isolation between Ethernet external circuit and DCS internal control bus to block surge and EMI interference

Performance Parameters

• Ethernet transmission latency: ≤ 2 ms single-point data transmission delay
• Maximum backplane data refresh rate: 100 ms full data polling for 64 slave nodes
• Ethernet cable maximum transmission distance: 100 m CAT5e shielded twisted pair
• Protocol conversion processing speed: 5,000 data points per second throughput
• Ethernet port protection withstand voltage: 1500 Vrms surge isolation

Material Composition

• Front panel: Thin black aluminum alloy with laser-etched model and status label, UL94-V0 attached plastic edge seal
• Main PCB: Multi-layer thin FR4 high-temperature circuit board with full G3 conformal anti-corrosion coating
• RJ45 connector: Gold-plated 8-pin industrial-grade shielded socket with integrated ESD protection chip
• Backplane contact assembly: Beryllium copper gold-plated multi-pin plug-in terminals

Structure Characteristics

• Ultra-slim single-width horizontal plug-in rack card design with dual plastic locking latches
• PCB internal partition layout: isolated Ethernet signal zone and internal DCS bus logic zone separated by ground barrier
• Front panel embedded two-color LED status window without protruding components
• No built-in heat sink; low power consumption enables fully passive convection cooling

Working Principle

Advantage Highlights

1. Ultra-low power consumption reduces total cabinet heat load for multi-module dense rack layout
2. Supports up to 64 third-party Ethernet field devices, eliminating demand for multiple independent gateway modules
3. ISA G3 corrosion certification allows deployment in chemical, offshore and pulp & paper corrosive workshop cabinets
4. Wide -40 °C to +85 °C operating temperature range adapts to unheated or high-temperature industrial control rooms
5. Integrated auto-scan function drastically shortens field Ethernet device commissioning time
6. Hardware galvanic isolation prevents external network surge damage to core DCS control hardware

Applicable Industries

Installation Requirements

1. Install only on Foxboro Compact 200 series standard redundant backplane rack
2. Use CAT5e or higher shielded twisted-pair Ethernet cable for external field device wiring
3. Terminate unused Ethernet cable ends with 120 Ω matching resistor to eliminate signal reflection
4. Maintain minimum 8 mm vertical gap between adjacent rack modules for natural heat dissipation
5. External industrial Ethernet network must be equipped with independent surge protection barrier

Usage Notes

1. Do not connect public office LAN to module Ethernet port; deploy independent isolated control network only
2. Record all IP address configurations before module replacement to avoid re-commissioning workload
3. Avoid laying Ethernet cables parallel with high-current power cables within the same wiring duct
4. Execute monthly Ethernet communication link health check per DCS maintenance specification
5. Module cannot operate without matching Compact 200 series Foxboro controller firmware version