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Foxboro P0500RQ

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Foxboro P0500RQ
May 26, 2026

Foxboro P0500RQ

The Foxboro P0500RQ is a high-performance Fault-Tolerant Field Control Processor (FCP280) designed for the Foxboro I/A Series DCS by Schneider Electric. As a core real-time controller, it delivers reliable, high-speed process control for critical industrial applications. Built with a rugged die-cast aluminum housing and compliant with G3 harsh environment standards, it operates stably in high EMI, dusty, and temperature-fluctuating conditions. Its fault-tolerant architecture ensures uninterrupted operation, making it ideal for high-reliability industrial control systems.

Description

Foxboro P0500RQ

Product Introduction

The Foxboro P0500RQ is a high-performance Fault-Tolerant Field Control Processor (FCP280) designed for the Foxboro I/A Series DCS by Schneider Electric. As a core real-time controller, it delivers reliable, high-speed process control for critical industrial applications. Built with a rugged die-cast aluminum housing and compliant with G3 harsh environment standards, it operates stably in high EMI, dusty, and temperature-fluctuating conditions. Its fault-tolerant architecture ensures uninterrupted operation, making it ideal for high-reliability industrial control systems.

Basic Information

  • Model: P0500RQ (FCP280 Fault-Tolerant Field Control Processor)

  • Brand: Foxboro (Schneider Electric EcoStruxure Foxboro)

  • Series: I/A Series DCS

  • Type: Redundant Real-Time Process Controller

  • Processor: 32-bit industrial RISC

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

  • Communication: 10/100BaseTX Ethernet, ControlNet, RS-232

  • Power Supply: 24 VDC (±10%), 10 W, redundant-capable

  • Enclosure: Die-cast aluminum, IP20 protection

  • Dimensions: 140 mm × 165 mm × 45 mm

  • Weight: Approximately 0.6 kg

  • Certifications: CE, UL, CSA, RoHS; G3 environment compliant

  • Compatibility: Foxboro Evo, I/A Series 200 Series FBM I/O modules

Function and Positioning

The P0500RQ serves as the central fault-tolerant control engine in the I/A Series architecture. It executes closed-loop regulatory control, interlock logic, sequential control, and real-time data acquisition for process variables like temperature, pressure, flow, and level. It supports up to 32 FBMs per HDLC fieldbus chain, expandable to 128 FBMs via the FEM100 expansion module. It connects to the Foxboro Evo network for high-speed data exchange and features a dual-module fault-tolerant design that enables bumpless failover, eliminating single points of failure. Positioned as a high-reliability main controller, it bridges field I/O devices and supervisory systems to ensure continuous, safe, and efficient plant operation.

Core Performance Parameters

  • Processor Speed: 0.1 μs per Boolean instruction, 0.5 μs per floating-point instruction

  • Control Tasks: Logic, PID regulation, sequential control, interlock, and math functions

  • I/O Capacity: Up to 256 I/O points; supports remote I/O expansion

  • Fieldbus: 4 × HDLC ports, 2 Mbps speed, up to 32 FBMs per port

  • Network Speed: 10/100 Mbps Ethernet

  • Supported Protocols: Modbus TCP/IP, ControlNet, Ethernet/IP, Foxboro proprietary protocols

  • Operating Temperature: 0°C to +60°C

  • Storage Temperature: -40°C to +85°C

  • Humidity: 0–95% non-condensing

  • Vibration/Shock: Compliant with IEC 60068-2-6/2-27

  • MTBF: Greater than 50,000 hours (typical)

General Compatible Accessories

  • I/A Series DIN rail-mounted modular baseplates for module mounting and bus connection

  • Redundant 24 VDC power supply modules for fault tolerance

  • Cat5e/Cat6 Ethernet cables for 10/100 Mbps communication

  • I/A Series 200 Series FBM I/O modules (e.g., FBM201, FBM202, FBM217)

  • FEM100 fieldbus expansion modules for extended I/O capacity

  • Foxboro Developer Workbench configuration software for programming and diagnostics

  • DIN rail installation kits for cabinet mounting and strain relief

Applicable Equipment Fields

  • Oil and Gas: Refineries, offshore platforms, pipeline monitoring and control

  • Chemical and Petrochemical: Reactor control, distillation processes, batch production

  • Power Generation: Thermal power plants, combined-cycle plants, boiler control systems

  • Metallurgy: Furnace, kiln, and rolling mill process automation

  • Water and Wastewater: Treatment plants, pumping stations, SCADA systems

  • Pharmaceutical: Clean-room automation, batch reactor control

  • Pulp and Paper: Digester, bleaching, and paper machine process control


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