Foxboro AD205MB High-Density Analog Input Module

Overview

The Foxboro AD205MB is a high-density analog input module built for Foxboro I/A Series DCS applications. It offers up to 32 universal analog channels capable of processing a wide range of signals, including voltage, current, RTDs, and thermocouples. Designed for reliability and precision, the module is ideal for continuous process monitoring in demanding industrial environments.

Operating Principle

The AD205MB combines signal conditioning, analog-to-digital conversion, and communication within a compact module. Each input channel can be configured for a specific sensor type, providing flexibility for complex control systems. Optional dual-module fault-tolerant configurations and redundant 24 VDC power ensure high availability for mission-critical applications.

Technical Specifications

Key Features

• Supports up to 32 analog input channels for diverse signal acquisition

• Handles voltage, current, RTD, and thermocouple signals

• 16-bit resolution with ±0.1% full-scale accuracy

• Redundant 24 VDC power support for uninterrupted operation

• Optional fault-tolerant dual-module configuration

• Strong isolation and EMC protection for industrial reliability

• Compact design for easy integration into DCS racks

• Designed for stable long-term operation in harsh environments

Application Scope

The AD205MB is widely deployed in:

Oil and gas production and refining
Chemical and petrochemical plants
Power generation and utilities
Pulp and paper industry
Water and wastewater treatment
General industrial process monitoring and control

FAQ

Q: Can the AD205MB operate with both RTDs and thermocouples simultaneously?
A: Yes. Each input channel is configurable for different signal types.

Q: Is the module suitable for fault-tolerant systems?
A: Yes. Dual-module configurations provide fault-tolerant operation with redundant power.

Q: What is the maximum number of input channels?
A: Up to 32 channels depending on the module version.