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Foxboro P0500ST

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Foxboro P0500ST
May 27, 2026

Foxboro P0500ST

The Foxboro P0500ST is a high-performance Redundant Field Control Processor (FCP) belonging to the Schneider Electric EcoStruxure Foxboro I/A Series DCS, designed for twin-slot high-reliability control in critical and harsh industrial environments. Built with a rugged die-cast aluminum enclosure meeting G3 harsh environment standards, it delivers superior resistance to EMI, dust, vibration, and temperature fluctuations. The P0500ST integrates dual-channel Ethernet and fieldbus communication with a hot-standby redundant architecture, ensuring bumpless failover, uninterrupted real-time control, and high data integrity for mission-critical process applications.

Description

Foxboro P0500ST

Product Introduction

The Foxboro P0500ST is a high-performance Redundant Field Control Processor (FCP) belonging to the Schneider Electric EcoStruxure Foxboro I/A Series DCS, designed for twin-slot high-reliability control in critical and harsh industrial environments. Built with a rugged die-cast aluminum enclosure meeting G3 harsh environment standards, it delivers superior resistance to EMI, dust, vibration, and temperature fluctuations. The P0500ST integrates dual-channel Ethernet and fieldbus communication with a hot-standby redundant architecture, ensuring bumpless failover, uninterrupted real-time control, and high data integrity for mission-critical process applications.

Basic Information

  • Model: P0500ST (Twin-Slot Redundant Field Control Processor, FCP)

  • 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, 4×HDLC fieldbus ports

  • Power Supply: 24 VDC (±10%), <12 W, redundant-capable

  • Enclosure: Die-cast aluminum, IP20 protection

  • Dimensions: 140 mm × 165 mm × 45 mm

  • Weight: Approximately 0.65 kg

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

  • Compatibility: Foxboro Evo, I/A Series 200 Series FBM I/O modules, FEM100 expansion module

Function and Positioning

The P0500ST serves as the enhanced redundant control core in the I/A Series architecture, optimized for maximum uptime in critical processes. It executes closed-loop PID regulation, interlock logic, sequential control, and real-time data acquisition for up to 256 I/O points, managing complex variables such as temperature, pressure, flow, and level. It supports 32 FBMs per HDLC fieldbus chain, expandable to 128 FBMs via the FEM100 module. The twin-slot hot-standby design enables seamless bumpless failover with data consistency verification, eliminating single points of failure. Positioned for high-risk applications where continuous operation and data reliability are critical, it bridges field I/O devices and supervisory systems to ensure safe, stable, 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, advanced 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 copper 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 secure mounting and bus connection

  • Redundant 24 VDC power supply modules for enhanced fault tolerance

  • Cat5e/Cat6 Ethernet cables for reliable 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: Offshore platforms, refineries, and pipeline critical control systems

  • Chemical and Petrochemical: Complex reactor control, distillation processes, and batch production

  • Power Generation: Thermal power plants, combined-cycle plants, and nuclear power main control systems

  • Metallurgy: Furnace, kiln, and rolling mill process automation (high vibration and temperature areas)

  • Water and Wastewater: Large-scale treatment plants and critical SCADA systems

  • Pharmaceutical: Clean-room automation and high-precision batch reactor control

  • Pulp and Paper: Digester, bleaching, and paper machine process control (harsh chemical environments)


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