Foxboro P0904BD I/A Series Base Supply & I/O Module – Product Description

Overview

The Foxboro P0904BD serves as a foundational Base Supply and I/O Module support unit for the Foxboro I/A Series Distributed Control System (DCS). It delivers regulated DC power to connected modules and ensures reliable communication with controllers and field devices. Moreover, its rugged industrial-grade construction provides long-term stability for continuous operation in harsh environments.

Technical Specifications

• Model: P0904BD

• Type: Base Supply / I/O Module Support Unit

• System Compatibility: Foxboro I/A Series DCS

• Input Voltage: 24 VDC (supports redundant supply)

• Output Function: Provides regulated DC power to I/O modules

• Power Consumption: Max ~8.5 W per module

• Processor Configuration: Single processor (dual for fault-tolerant setups)

• Memory (if processor installed): 16 MB SDRAM, 32 MB Flash

• Operating Temperature: 0 °C to +60 °C (32 °F to 140 °F)

• Storage Temperature: –40 °C to +85 °C

• Humidity Range: 5% – 95% non-condensing

• Dimensions (H × W × D): ~14.7 × 5.15 × 11.4 cm

• Weight: 0.6–1.5 kg depending on configuration

• Country of Origin: USA (some batches assembled elsewhere)

• Application Areas: Oil & gas, chemical plants, refining, power generation, pulp & paper, water treatment

FAQ

Q1: What systems is the P0904BD compatible with?
A: It is fully compatible with Foxboro I/A Series Distributed Control Systems.

Q2: Does this module support redundancy?
A: Yes, it can be paired with another base supply for fault-tolerant operation.

Q3: What is the primary function of the P0904BD?
A: It provides regulated DC power and communication support for I/O modules.

Q4: Can it operate in harsh industrial conditions?
A: Yes, it is designed for high temperature and humidity environments.

Q5: How is this module installed?
A: It fits into standard Foxboro DCS racks for modular system layouts.