Foxboro P0923NAC Control Processor & Communication I/O Module

Overview

The P0923NAC from Foxboro is a high-performance control processor and communication I/O module for the I/A Series DCS. Engineered for mission-critical applications, it provides real-time control, high-speed communication, and robust data acquisition across distributed networks. The module supports dual-module redundancy, ensuring continuous operation in power generation, petrochemical, turbine, and feedwater systems.

Technical Specifications

General Information

Functional Capabilities

• Executes continuous, sequential, logic, and batch control operations

• Manages high-speed communication with field devices

• Supports fault-tolerant dual-module configuration

• Provides real-time diagnostics and system health monitoring

• Fully integrates with Fieldbus Modules (FBMs) and supervisory systems

Communication Protocols

• Modbus

• Profibus

• DeviceNet

• HDLC Fieldbus

• Ethernet

Processor & Memory

I/O Characteristics

• Number of Channels: 8

• I/O Types: Analog and digital (mixed-signal)

Electrical Specifications

• Input Voltage: 24 VDC (supports redundant power input)

• Power Consumption: ≤ 8.5 W

Environmental Ratings

Physical Characteristics

• Mounting: DIN rail or modular baseplate

• Dimensions: 20 × 10 × 5 cm
  

Key Features

• High-performance control processor for Foxboro I/A Series DCS

• Supports multiple industrial communication protocols

• Fault-tolerant architecture with dual-module redundancy

• Real-time diagnostics and system health monitoring

• Suitable for turbine control, feedwater systems, and other critical processes

• Compact and modular design for scalable deployment

Applications

Ideal for power generation, petrochemical plants, turbine management, feedwater systems, and industrial processes requiring reliable, fault-tolerant control and high-speed communications.

FAQ

Q: Can the P0923NAC operate in harsh environmental conditions?
A: Yes, it supports temperatures from –40°C to +70°C and 0–95% non-condensing humidity, suitable for industrial and offshore environments.

Q: Which protocols are compatible with this module?
A: The module supports Modbus, Profibus, DeviceNet, HDLC Fieldbus, and Ethernet for versatile field device integration.