ABB AI825 (3BSE036456R1) — Comprehensive Product Documentation

Product Overview

The ABB AI825 (3BSE036456R1) is a high-performance analog input module designed for use in modular automation systems within industrial environments. Specifically engineered to acquire, condition, and convert multiple analog signals from field sensors into precise digital data for downstream controller processing, the AI825 fulfills critical roles in advanced process control, distributed I/O networks, and automated monitoring applications.

The AI825 stands out with enhanced accuracy, expanded channel capacity, and improved ruggedness compared to earlier models. With its reliable conversion, robust signal conditioning, and seamless integration with industrial control platforms, the AI825 is suitable for demanding production environments that prioritize data integrity, system uptime, and ease of maintenance.

Brand and Series

• Brand: ABB

• Series: Analog Input Module Series (Process Automation & Control Interface Modules)

The AI825 belongs to an established family of modular analog I/O modules widely adopted for scalable control system architectures. The series offers solutions with various configurations to support different channel counts, signal types, and performance requirements.

Product Introduction

The AI825 module is developed to serve as a core analog interface component. It accommodates a large number of channels, supports common industrial signal standards, and incorporates internal features that enhance long-term reliability and diagnostic visibility. Designed for rack or DIN rail systems, the unit simplifies configuration, reduces signal noise susceptibility, and improves fault detection — enabling operators to maintain optimized control loops and reduce plant downtime.

This module is engineered to meet the needs of advanced manufacturing, energy systems, and process industries requiring consistent data acquisition and real-time monitoring. Its modular nature ensures it fits seamlessly into control cabinets, minimizing physical footprint while maximizing performance.

Product Advantages

• High Channel Density: Supports a greater number of analog inputs per module, increasing signal capture without expanding rack space.

• Precision Analog Conversion: High-resolution converters improve the accuracy and fidelity of analog data.

• Broad Signal Compatibility: Accepts a range of voltage and current inputs, enabling compatibility with many field devices.

• Robust Field Operation: Designed to withstand electrical noise, temperature variations, and industrial stressors.

• Integrated Diagnostics: Provides status indicators and error reporting to help technical staff identify issues quickly.

• Modular Integration: Fits into industry-standard modular platforms for simplified engineering and maintenance.

Applications

• Process Control Systems: Captures analog values from sensors monitoring temperature, pressure, flow, and level for control loops.

• Automated Manufacturing: Supports machine monitoring and feedback control in assembly lines and production cells.

• Energy Distribution Monitoring: Interfaces with measurement devices to gather operational data for energy efficiency and safety systems.

• Environmental Sensing: Transmits conditioned signals from environmental monitoring equipment for reporting and alarm systems.

• Infrastructure Automation: Integrates with control systems managing critical infrastructure such as water treatment, HVAC systems, and power substations.

Technical Specifications

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