FOXBORO 0303391 / 303391 Processor Module – Product Description

Overview

The Foxboro 0303391 (303391) processor module is a key control component in the Foxboro I/A Series DCS platform. It manages real-time data acquisition, advanced process control, and communication with FBMs and system networks. Moreover, its distributed architecture reduces single-point failures and improves system responsiveness in demanding automation environments. The module integrates CPU, memory, and communication interfaces in a compact and durable design suited for continuous industrial operation.

Technical Specifications

• Model: Foxboro 303391

• Type: Processor / Control Module

• System Compatibility: Foxboro I/A Series DCS

• Memory: 16 MB SDRAM, 32 MB Flash

• Input Voltage: 24 VDC (supports redundant supply)

• Power Consumption: Max 8.5 W per non-fault-tolerant module

• Configuration: Single or dual (fault-tolerant) processors

• Operating Temperature: 0 °C to +60 °C

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

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

• Architecture: Distributed controller with FBM support

• Certifications: CE, UL, ATEX, IECEx

• Country of Origin: USA

FAQ

1. What system is the 0303391 module compatible with?
It is designed for the Foxboro I/A Series distributed control system.

2. Does the module support fault-tolerant configurations?
Yes, it supports dual-processor configurations for high availability.

3. What voltage does the module require?
It operates on 24 VDC and supports redundant power inputs.

4. Can it be used in hazardous industrial environments?
Yes, depending on the system, it carries certifications such as CE, UL, ATEX, and IECEx.

5. Which industries commonly use this module?
It is widely used in oil & gas, refining, chemical production, power generation, and pulp & paper.