Foxboro AD207AU High-Density Analog Input Module – Product Description

Description / Overview

The Foxboro AD207AU is a high-density analog input module engineered for the Foxboro I/A Series Distributed Control System (DCS). It integrates signal conditioning, data acquisition, and communication into a compact design. Moreover, it delivers precise and reliable measurements for continuous process monitoring in industrial applications.

Technical Data / Specifications

• Model: AD207AU

• Type: High-density analog input module

• System Compatibility: Foxboro I/A Series DCS

• Number of Channels: Up to 32 analog inputs

• Supported Signals: Voltage (–32 V to +32 V), Current (–20 mA to +20 mA), RTDs, Thermocouples

• Resolution: 16-bit

• Accuracy: ±0.1% of full scale

• Scan Rate: 250 ms per channel

• Memory: 16 MB SDRAM, 32 MB Flash

• Input Voltage: 24 VDC (supports redundant supply)

• Power Consumption: Max ~8.5 W per module

• Configuration: Single processor; fault-tolerant requires dual modules

• 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

• Weight: 270 g

• Country of Origin: USA

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

FAQ

Q1: How many input channels does the AD207AU support?
A1: It supports up to 32 analog input channels for versatile process monitoring.

Q2: Which signal types are compatible with this module?
A2: It supports voltage, current, RTDs, and thermocouples.

Q3: Can the AD207AU operate in a fault-tolerant configuration?
A3: Yes, dual modules can be configured for fault-tolerant operation.

Q4: Is the module compatible with Foxboro I/A Series DCS?
A4: Yes, it fully integrates with the Foxboro I/A Series Distributed Control System.

Q5: What is the operating temperature range?
A5: The module operates between 0 °C to +60 °C and stores safely down to –40 °C.