Foxboro P0400VR

The Foxboro P0400VR is a high-performance redundant control processor module in the P0400 series, designed for Foxboro I/A Series DCS and EcoStruxure Foxboro Evo systems. As a key redundant controller, it delivers reliable real-time control, data processing, and network coordination for critical process applications. Built with industrial-grade components and a ruggedized aluminum housing, it offers superior EMI/RFI immunity, wide temperature tolerance, and hot-swap capability. The module supports seamless 1:1 redundancy and comprehensive on-board diagnostics, ensuring continuous operation and fast fault recovery in harsh industrial environments.

Manufacturer: Foxboro (Invensys, now Schneider Electric)Model: P0400VRType: Redundant Control Processor Module, P0400 SeriesCompatible Systems: Foxboro I/A Series DCS, EcoStruxure Foxboro EvoMounting: Slot-mount on I/A FBM baseplates; hot-swap enabledProtection Class: IP20, cast aluminum enclosure for G3 harsh environmentsCertifications: CE, UL, CSA, ATEX, SIL 2; compliant with ISA S71.04 G3Power Supply: 24 VDC ±10% via backplane; max power consumption 10.0 WOperating Temperature: 0°C to +60°CStorage Temperature: -40°C to +85°CRelative Humidity: 5%–95%, non-condensingVibration/Shock: ISA S71.04 G3 (1 g, 10–500 Hz)Weight: Approximately 0.6 kgDimensions: 140 mm × 165 mm × 45 mmOrigin: United StatesWarranty: 5-year standard manufacturer warranty

The P0400VR functions as the redundant central control core for medium to large process control systems. It executes closed-loop regulation, sequence control, and batch processing algorithms, while managing up to 256 I/O points and coordinating data exchange between I/O modules, operator stations, and host systems. Its primary role is to provide high availability through 1:1 hot redundancy; the standby module takes over instantly if the primary fails, eliminating downtime. It also performs real-time data acquisition, alarm management, and network communication, supporting multi-protocol integration with third-party devices. Positioned for critical applications where uninterrupted control is mandatory, it enhances system reliability, simplifies maintenance, and reduces operational risk.

Input Voltage: 24 VDC ±10%Processor: 32-bit industrial RISC processor; 0.1 μs/Boolean instruction, 0.5 μs/floating-point instructionMemory: 8 MB program RAM, 4 MB data RAM, 2 MB Flash ROMCommunication Interfaces: 10/100BaseTX Ethernet, ControlNet, RS-232 diagnostic portSupported Protocols: Modbus RTU/TCP, Ethernet/IP, HART, Profibus, ControlNet, Foxboro proprietaryData Transfer Rate: 100 Mbps (Ethernet), 5 Mbps (ControlNet)Isolation: 1500 VDC port-to-port isolationProtection: Overvoltage, overcurrent, short-circuit, ESD, surge, overtemperatureDiagnostics: LED status indicators (Power/Run/Fault); front-panel RS-232 port; remote fault loggingResponse Time: <2 ms control loop execution; <10 ms fault recoveryRedundancy: 1:1 hot redundancy with automatic failover

Mounting Accessories: I/A FBM baseplates, rack mounting rails, module retention clips, dust coversCabling Accessories: Shielded Ethernet cables, ControlNet cables, RS-232 serial cables, cable glands, terminal blocks, network surge protectorsPower Accessories: 24 VDC redundant power supply units, backplane power distribution modules, fuses, power cable assembliesSpare Parts: Sealing gaskets, LED indicator assemblies, protection circuits, connectors, heat sinksDiagnostic & Configuration Tools: I/A Series diagnostic software, Foxboro configuration utilities, network analyzers, protocol simulators, programming cables

The P0400VR is widely used in critical process industries requiring high-reliability redundant control. Applications include oil and gas (offshore platforms, refineries, pipeline control), chemical (petrochemical plants, reactor control, batch production), power generation (thermal power plants, boiler/turbine control, combined-cycle plants), water and wastewater (treatment plant control, pump station automation), metals and mining (smelter control, conveyor systems, mineral processing), and pharmaceuticals, food and beverage, pulp and paper. It pairs with field transmitters, valve positioners, motor control units, remote I/O modules, and third-party PLCs, suitable for control rooms, field cabinets, and high-interference industrial sites.