Description

The Emerson FOXBORO IPM2-P0904HA is a high-availability redundant power supply module designed for Emerson’s I/A Series DCS and Safety Instrumented Systems (SIS). Engineered to deliver uninterrupted 24VDC power to critical control components, this module features dual-input AC/DC conversion with active load sharing and fault resilience. As part of the IPM2 series, the FOXBORO IPM2-P0904HA provides 90W output (3.75A at 24VDC) with N+1 redundancy support, ensuring continuous operation during mains fluctuations or single-module failures. Its hot-swappable design enables maintenance without system shutdown, while integrated diagnostics monitor voltage ripple, temperature, and load imbalance in real time.

Certified for SIL 2 applications per IEC 61508, the Emerson FOXBORO IPM2-P0904HA employs galvanic isolation (1500VAC) between input/output and chassis, eliminating ground loop interference. The module’s convection-cooled construction operates reliably in -40°C to +85°C environments without derating, making it ideal for harsh industrial settings. When deployed in redundant pairs with the FPM power management module, the IPM2-P0904HA achieves >99.999% uptime – a critical safeguard for refinery safety shutdown systems, turbine controls, and nuclear power instrumentation.

FOXBORO IPM2-P0904HA

Technical Specifications

Main Features and Advantages

Fault-Tolerant Power Delivery: Dual independent power conversion stages with active current sharing ensure seamless failover if one unit fails. The IPM2-P0904HA maintains voltage regulation within ±0.5% during 100% load steps.

Advanced Diagnostics: Front-panel LEDs indicate input health, output status, and module faults. PMBus telemetry provides real-time metrics (efficiency, temperature, load %) to Emerson’s AMS Device Manager for predictive maintenance.

Robust Environmental Performance: Fanless design eliminates moving parts, achieving IP20 protection against dust. Withstands 5g vibration (10–500Hz) and 50g shock per IEC 60068-2. The extended temperature range (-40°C to +85°C) ensures reliability in electrical rooms without climate control.

Seamless Integration: Hot-swap capability allows replacement in<2>

Application Field

The Emerson FOXBORO IPM2-P0904HA secures power for mission-critical automation across hazardous industries. In oil & gas, it powers emergency shutdown (ESD) valves and fire/gas detection panels on offshore platforms. Petrochemical plants deploy it for reactor pressure control systems where power interruptions risk runaway reactions. Nuclear facilities rely on its SIL 2 certification for rod position indicators and cooling pump controls.

Pharmaceutical manufacturers use the IPM2-P0904HA to maintain sterile process environments in bioreactors during utility fluctuations. Power generation stations integrate it into turbine governing systems and excitation controls. Water treatment plants leverage its corrosion-resistant terminals for chlorine dosing skids in high-humidity environments.

FOXBORO IPM2-P0904HA

Related Products

IPM2-P0604HA: 60W version for space-constrained cabinets.

FPM1000: Power management controller for N+M redundancy.

IPM2-P0914: Non-redundant 90W variant.

FBM242: Thermocouple input module requiring stable 24VDC.

CPSU-400/480: Chassis-mounted bulk power supply.

FBM207: Digital output module for shutdown valves.

PSS21H-2DI: SIL 3 digital input safety module.