ABB DAI 04 Analog Input

Product Overview

The ABB DAI 04 is a precision-engineered analog input interface for the Bailey INFI 90 and Network 90 distributed control systems. It converts continuous field signals into digital data for real-time process monitoring. 

Technical Specifications

• Manufacturer: ABB (Bailey Controls)

• Model Designation: DAI 04

• Product Type: Analog Input Module

• System Compatibility: Bailey INFI 90 / Network 90 DCS

• Input Signal Support: Standard industrial analog voltage and current loops

• Processing Architecture: High-fidelity A/D conversion with signal conditioning

• Physical Weight: 2.0 kg

• Environmental Rating: Industrial grade for high-vibration and thermal stress

• Estimated Lead Time: 4 - 6 weeks

• Availability: Professional spare part for DCS maintenance

Application and Functional Advantages

The DAI 04 is designed for the rigorous demands of power plants, refineries, and water treatment facilities. Its primary engineering advantage is its ability to filter out electromagnetic interference (EMI) commonly found in industrial cabling, providing the central processor with clean, accurate data. By maintaining a high signal-to-noise ratio, the module enables tighter PID tuning and prevents false alarms in critical safety systems. The rugged construction and standardized mounting make it a dependable drop-in solution for aging or expanding control system architectures.