Foxboro AD908AC Digital Input Module

Overview

The Foxboro AD908AC is an advanced Digital Input Module designed for seamless integration into the FOXBORO I/A Series Distributed Control System (DCS). This module efficiently interfaces with a variety of digital sensors and switches, including limit switches, pushbuttons, and photoelectric sensors. Featuring eight input channels, the AD908AC guarantees reliable and precise signal processing.

Each channel is galvanically isolated, offering robust protection from electrical noise and interference. Thanks to its compact and rugged design, the AD908AC operates flawlessly even in harsh industrial conditions, making it a versatile choice for demanding environments.

Key Features

Eight Digital Input Channels: The Foxboro AD908AC provides eight channels, ensuring efficient handling of digital signals.
Galvanic Isolation: With galvanic isolation between each channel and ground, the module remains highly resistant to electrical noise.
Compact and Durable Design: Built for industrial environments, it offers excellent durability in harsh conditions.
High Accuracy: The module maintains exceptional accuracy for critical digital input applications.
Input Application Program: It features an application program to optimize input functionality for various industrial tasks.

Technical Specifications

Parameter	Specification
Manufacturer	Foxboro (now part of Schneider Electric)
Model Number	AD908AC
Product Type	Digital Input Module
Input Channels	8 channels
Input Signal Type	Digital signals (e.g., limit switches, pushbuttons)
Galvanic Isolation	Yes (between channels and ground)
Operating Temperature Range	-20°C to +70°C (-4°F to +158°F)
Dimensions (L x W x H)	10.4 cm x 4.5 cm x 11.4 cm
Weight	Approx. 0.284 kg (0.63 lbs)
Mounting	DIN Rail or Panel Mounting
Power Requirements	24 VDC

Applications

The Foxboro AD908AC excels in various industrial automation tasks, including:

Process Control: It ensures precise monitoring and control of digital inputs.
Industrial Automation: The module interfaces with sensors and optimizes system efficiency.
Building Automation: The AD908AC integrates easily into building management systems.