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Foxboro P0500RJ

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Foxboro P0500RJ
May 26, 2026

Foxboro P0500RJ

Foxboro P0500RJ is a high-performance Field Control Processor (FCP) for the Foxboro I/A Series DCS (Schneider Electric), serving as the core control unit for real-time industrial process control. It integrates a powerful 32-bit RISC processor, large memory, and multi-protocol communication interfaces, delivering high-speed logic, regulatory, and sequential control. With a rugged die-cast aluminum housing and G3 harsh environment compliance, it ensures reliable operation in high EMI, dust, and temperature-fluctuation environments. As a key controller, it executes complex control strategies and coordinates I/O modules to maintain process stability and safety.

Description

Foxboro P0500RJ

Product Introduction

Foxboro P0500RJ is a high-performance Field Control Processor (FCP) for the Foxboro I/A Series DCS (Schneider Electric), serving as the core control unit for real-time industrial process control. It integrates a powerful 32-bit RISC processor, large memory, and multi-protocol communication interfaces, delivering high-speed logic, regulatory, and sequential control. With a rugged die-cast aluminum housing and G3 harsh environment compliance, it ensures reliable operation in high EMI, dust, and temperature-fluctuation environments. As a key controller, it executes complex control strategies and coordinates I/O modules to maintain process stability and safety.

Basic Information

  • Model: P0500RJ

  • Brand: Foxboro (Schneider Electric EcoStruxure Foxboro)

  • Series: I/A Series DCS Field Control Processor

  • Type: Real-time Process Controller

  • Processor: 32-bit industrial RISC

  • Memory: 8 MB program, 4 MB data

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

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

  • Enclosure: Die-cast aluminum, IP20

  • Dimensions: 140 mm × 165 mm × 45 mm

  • Weight: Approx. 0.6 kg

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

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

Function and Positioning

P0500RJ functions as the central real-time control engine in the I/A Series architecture. It executes closed-loop regulatory control, interlock logic, sequential control, and data acquisition for temperature, pressure, flow, and level variables. It supports up to 32 FBMs per fieldbus chain (128 max via expansion) and connects to the Foxboro Evo network for high-speed data exchange. Redundant dual-controller design enables bumpless failover, eliminating single points of failure. Positioned as a high-reliability main controller, it bridges field I/O and supervisory systems to ensure continuous, safe, and efficient plant operation.

Core Performance Parameters

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

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

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

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

  • Network Speed: 10/100 Mbps Ethernet

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

  • 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: >50,000 hours (typical)

General Compatible Accessories

  • I/A Series Backplane: For module mounting and bus connection

  • Redundant Power Supply: 24 VDC dual-input for fault tolerance

  • Ethernet Cables: Cat5e/Cat6 for 10/100 Mbps communication

  • FBM I/O Modules: 200 Series (FBM201, FBM202, FBM217, etc.)

  • Fieldbus Expansion Modules: FEM100 for extended I/O capacity

  • Configuration Software: Foxboro Developer Workbench for programming

  • DIN Rail Kits: For cabinet installation and strain relief

Applicable Equipment Fields

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

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

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

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

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

  • Pharmaceutical: Clean-room automation and batch reactor control

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


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