Foxboro P0400TH‑F (FBM212)

The Foxboro P0400TH‑F (also designated FBM212) is an isolated field power supply module in the P0400 series, built for the Foxboro I/A Series DCS and EcoStruxure Foxboro Evo platforms. It provides clean, stabilized, and galvanically isolated DC power to FBM I/O modules and field transmitters, ensuring signal integrity and reliable operation in high‑noise industrial environments. Hot‑swap capable and fully diagnostics‑enabled, it delivers continuous, protected power for analog and digital control loops.

Manufacturer: Foxboro (Invensys, now Schneider Electric)Model: P0400TH‑F (FBM212)Type: Isolated Field Power Supply Module, P0400 Series I/OCompatible Systems: Foxboro I/A Series DCS, EcoStruxure Foxboro EvoMounting: Slot‑mount on I/A FBM baseplates; hot‑swap enabledProtection Class: IP20 (for cabinet installation)Certifications: CE, UL, CSA, ATEX, SIL 2; compliant with ISA S71.04 G3Power Input: 24 VDC ±10% via backplane; ≤8.0 WOperating Temperature: -20°C to +70°CStorage Temperature: -40°C to +85°CRelative Humidity: 5%–95%, non‑condensingVibration/Shock: ISA S71.04 G3 (1 g, 10–500 Hz; 15 g, 11 ms)Weight: Approximately 0.50 kgDimensions: 170 mm × 35 mm × 150 mm (H×W×D)Origin: United StatesWarranty: 5‑year standard

The P0400TH‑F is a dedicated isolated power supply that converts 24 VDC backplane power into multiple precision isolated outputs, eliminating ground loops and protecting sensitive analog/digital circuits from surges and short circuits. As a critical infrastructure module, it ensures measurement accuracy and signal integrity for temperature, pressure, and flow loops, especially in unconditioned cabinets and safety‑related control systems.

Input Voltage: 24 VDC ±10%Output Channels: Multi‑isolated (±15 VDC, +5 VDC, +24 VDC)Output Power: Rated to support 1–4 FBM modules and connected field sensorsIsolation: 1500 VDC input‑to‑output; 2500 VDC channel‑to‑channelRegulation: ±0.1% line/load; low noise (<50 mVpp)Protection: Overvoltage, overcurrent, short‑circuit, overtemperature, ESD, surgeDiagnostics: LED indicators (Power/Run/Fault); remote fault logging; current monitoringResponse Time: <1 ms fault detection; <10 ms recoveryData Integrity: 32‑bit CRC check; fault filtering

Mounting Accessories: I/A FBM baseplates, rack mounting rails, module retention clipsCabling Accessories: Shielded power cables, cable glands, terminal blocks, signal surge protectorsPower Accessories: 24 VDC redundant power supplies, backplane power distribution modules, fusesSpare Parts: Sealing gaskets, LED indicator assemblies, protection circuits, connectorsDiagnostic & Configuration Tools: I/A series diagnostic software, Foxboro configuration utilities, signal loop simulators

Oil & Gas: Offshore platform I/O cabinets, refinery safety loops, hazardous area sensor powerChemical: Petrochemical plant outdoor I/O houses, reactor control loops, batch process interlocksPower Generation: Thermal power plant switchgear rooms, turbine auxiliary circuits, unconditioned equipment roomsWater & Wastewater: Pump station control systems, remote monitoring sites, outdoor valve actuation panelsMetals & Mining: Smelter furnace interlocks, high‑vibration area I/O cabinets, conveyor system sensor power