Overview

The ABB AI623 is a flexible analog input module designed to interface between field sensors and ABB’s digital control systems.

It ensures precise measurement, galvanic isolation, and configurable input ranges, making it ideal for process industries, utilities, and manufacturing automation.

Its compact and robust construction allows reliable operation in harsh industrial environments, with flexible mounting options for integration into cabinets or DIN rails.

Technical Data

Key Features

• 8 high-precision analog input channels with configurable ranges.

• Supports voltage, current, RTDs, and J‑type thermocouples.

• 16‑bit resolution with ±0.1% measurement accuracy.

• Galvanic isolation per module for reliable signal integrity.

• Fast update time of 0.5 ms for real-time monitoring.

• Compact design suitable for DIN rail or horizontal mounting.

• Robust construction for industrial environments.

Typical Applications

• Process control: Temperature, pressure, and flow measurement in chemical, oil & gas, and pharmaceutical plants.

• Machine automation: Capturing analog signals from actuators and transmitters.

• Building automation: Monitoring HVAC parameters such as temperature and humidity.

• Environmental monitoring: Recording sensor data for water treatment and air quality systems.

FAQ

Q1: How many channels does the ABB AI623 provide?
A1: 8 analog input channels with configurable ranges.

Q2: What types of signals can it measure?
A2: Voltage, current, RTDs (Pt100/Pt1000/Ni1000), and J‑type thermocouples.

Q3: What is its resolution and accuracy?
A3: 16‑bit resolution with ±0.1% measurement accuracy.

Q4: Is galvanic isolation included?
A4: Yes, each module provides galvanic isolation for reliable signal integrity.

Q5: Where is it typically used?
A5: In System 800xA installations across process industries, utilities, and manufacturing automation.