ABB AI923 Analog Input Module for Precision Process Control

Product Overview

The ABB AI923 is a versatile Analog Input Module designed for seamless integration with ABB’s control systems, such as the AC800M and S900 PLCs. It is engineered to efficiently convert a variety of real-world analog signals, including 4-20mA, voltage, thermocouples, and RTDs, into digital data for processing by programmable logic controllers (PLCs) or distributed control systems (DCS). The ABB AI923 ensures high accuracy and reliability in process monitoring, providing critical data acquisition for industrial automation applications.

This module plays a key role in industries such as oil and gas, chemical processing, power generation, and water treatment, where precise monitoring of process variables like temperature, pressure, and flow is crucial.

Key Features

Multi-Signal Support: The ABB AI923 accepts a variety of input signals, including 4-20mA, voltage, thermocouples, and RTDs, offering flexibility for different industrial applications.
High Resolution: The module provides either 12-bit or 16-bit resolution, ensuring high-quality signal conversion for accurate data analysis.
Accuracy: With an accuracy of ±0.1% of full scale, it guarantees reliable monitoring of critical process conditions.
Galvanic Isolation: The AI923 includes galvanic isolation between channels and the power supply, ensuring protection against electrical noise and enhancing safety.
HART Communication: Some models support HART communication for easy device configuration and diagnostics, facilitating quick setup and maintenance.
Flexible Configuration: Configuration is straightforward using ABB’s engineering tools, such as AC800M Control Builder or S900 Programming Tool, allowing for customized setups.

Technical Specifications

Parameter	Specification
Model	ABB AI923
Manufacturer	ABB
Product Type	Analog Input Module
Number of Channels	Typically 8 channels
Signal Types	4-20mA, Voltage, Thermocouples, RTDs
Resolution	12-bit or 16-bit (model dependent)
Accuracy	±0.1% of full scale
Input Impedance	>1 MΩ
Isolation	Galvanic isolation between channels and power supply
Communication	HART communication (optional)
Power Supply	24 VDC
Mounting	DIN rail
Dimensions	Compact (size similar to other ABB analog modules)

Applications

The ABB AI923 is ideal for a range of industrial applications where high-precision analog signal measurement and monitoring are required. It excels in the following areas:

Process Control: Accurate monitoring and measurement of analog signals in industries such as oil & gas, chemical processing, water treatment, and power generation.
Seamless Integration with ABB PLCs: The AI923 integrates smoothly with ABB’s AC800M and S900 PLCs, ensuring efficient data management and process control.
Industrial Automation: Ideal for systems that require reliable signal conversion, data acquisition, and process control for critical industrial operations.