ABB AI843 (3BSE028925R1) — Comprehensive Product Documentation

Product Overview

The ABB AI843 (3BSE028925R1) is an industrial-grade analog input module designed for integrated automation systems. This product is engineered to capture and convert analog signals from field instrumentation into precise digital data for processing by higher-level controllers. The AI843 supports a range of measurement signals and is suitable for demanding control environments where accuracy, robustness, and operational continuity are essential.

The module is part of a modular I/O platform and is compatible with standard DIN rail or rack-mount structures. Its design reflects an emphasis on signal fidelity, electrical noise resistance, and reliable communication with system controllers. AI843 is built to deliver long-term performance and to simplify system expansion and maintenance.

Brand and Product Series

• Brand: ABB

• Product Series: Analog Input Module Series (Industrial Automation and Control Interfaces)

The Analog Input Module Series includes a family of products with varying channel counts, input types, resolution ratings, and performance characteristics. These modules serve as the interface between analog field devices and the digital control systems used in manufacturing, energy distribution, and infrastructure applications.

Product Introduction

The AI843 module is tailored for environments where precise analog input processing is required. It accepts multiple analog input channels and supports common industrial standards for voltage and current signals. Each channel is equipped with signal conditioning and filtering to ensure enhanced measurement accuracy and resistance to electrical interference.

AI843 is constructed for industrial settings, capable of maintaining performance over a wide range of operating conditions. The module integrates easily with automation systems through standardized connections and provides visual diagnostic feedback to help operators monitor module status and identify issues rapidly.

Key Advantages

High-Quality Analog Data Acquisition
AI843 delivers consistent and accurate analog signal conversion, supporting reliable control feedback loops and system automation tasks.

Multi-Channel Configuration
Providing several input channels within a single module reduces the need for multiple discrete converter devices and lowers system complexity.

Signal Noise Resistance
Built-in filtering and signal conditioning help minimize the effects of electrical interference, improving measurement accuracy in electrically noisy industrial environments.

Modular Integration
The module is designed to fit into modular automation racks or DIN rail systems, allowing flexible system design and easy scalability.

Simple Diagnostics
LED indicators and status feedback simplify troubleshooting and ongoing maintenance activities.

Product Applications

Process Control
AI843 is commonly used in continuous and batch process industries to acquire signals from sensors monitoring process variables such as temperature, pressure, flow, and level.

Factory Automation
It serves in automated production lines to gather real-time analog feedback from sensing devices and communicate that data to control systems.

Energy Monitoring and Distribution
In electrical substations and energy monitoring stations, AI843 can interface with measurement devices to collect data such as voltage, current, and power factors.

Infrastructure and Building Management
It integrates with environmental sensors in HVAC, water treatment, and management systems to support monitoring and control logic.

Environmental Monitoring Systems
Used in systems that require continuous acquisition of analog data for air quality, vibration, or other condition monitoring tasks.

Technical Specifications

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