Product Overview

The AI625, cataloged as 3BHT300036R1, is a high-density analog acquisition module belonging to the ABB S600 I/O series. This module is engineered to bridge the gap between field-level analog sensors and the Distributed Control System (DCS). It provides high-resolution digitization of various process variables, converting physical measurements into actionable data for control logic. Built to survive the electrical rigors of industrial environments, the AI625 ensures signal integrity through robust isolation and filtering. Its Swedish-manufactured circuitry is optimized for high-speed sampling, making it a critical component for systems requiring rapid feedback and precision monitoring.

Critical Performance Specifications

• Model Identification | AI625

• Part Number | 3BHT300036R1

• Input Density | 16-Channel Differential Inputs

• Signal Compatibility | Supports both 0/4-20mA current and ±10V voltage ranges

• Sampling Velocity | 10 kHz acquisition rate for real-time processing

• Communication Interface | Modbus RTU connectivity via serial link

• Thermal Range | Rated for operation between -25°C and +70°C

• Mass | 1.16 kg

• Chassis Dimensions | 4 x 26.1 x 27 cm

• System Hierarchy | Compatible with S600 I/O and DCS architectures

Industrial Deployment Scenarios

The AI625 Analog Input Module is specifically utilized in sectors where high-speed data acquisition and multi-channel density are required:

• Petrochemical Processing: Monitoring pressure transmitters and temperature probes across large-scale refinery units to ensure safety and yield optimization.

• Metals and Mining: Capturing high-speed feedback from tension sensors and load cells in rolling mills to maintain material thickness consistency.

• Energy Management: Interfacing with power transducers to monitor real-time load distribution and phase voltages within substation automation systems.

• HVAC and Environmental Control: Aggregating data from multiple air quality and humidity sensors in pharmaceutical cleanrooms to maintain strict atmospheric compliance.

• Marine Systems: Integrating engine performance data and tank level measurements into centralized shipboard automation platforms.