Product Overview

The ABB AI830A 3BSE040662R1 is an 8-channel analog input module for RTD temperature measurement in the ABB S800 I/O family. It is designed for three-wire RTD connections and supports Pt100, Cu10, Ni100, Ni120, and resistive sensors. The module performs signal linearization and converts measured temperature into Celsius or Fahrenheit directly within the module.

This module is well suited to industrial process control applications where accurate and stable temperature monitoring is required. Each input channel can be configured individually, allowing the module to handle multiple temperature measurement points within the same control system.

Technical Specifications

These specifications are based primarily on ABB's current product documentation.

Main Features

The AI830A combines several functions that make it practical for temperature-monitoring applications:

• Eight independent RTD input channels
• Three-wire RTD connection
• Supports Pt100, Cu10, Ni100, and Ni120
• 14-bit measurement resolution
• Individual channel configuration
• Built-in temperature linearization
• Conversion to Celsius or Fahrenheit
• Open-circuit and short-circuit supervision
• Grounded-sensor detection
• Groupwise isolation from ground
• Front-panel Fault, Run, and Warning LEDs
• 50 Hz and 60 Hz mains-frequency filtering

The module also provides strong noise rejection, with ABB specifying CMRR above 120 dB and NMRR above 60 dB under the stated conditions.

S800 I/O Integration

The 3BSE040662R1 belongs to ABB's S800 I/O module family. ABB lists the AI830A for use with TU810, TU812, TU814, TU830, and TU833 Module Termination Units.

Its compact 45 mm width allows it to fit into space-conscious control cabinets. The module communicates through the S800 I/O architecture, making it suitable for integration into larger ABB automation and process-control systems.

Applications

The ABB AI830A is mainly used for temperature acquisition in industrial automation and process-control environments.

Typical applications include:

• Process temperature monitoring
• Chemical and petrochemical plants
• Power generation systems
• Manufacturing equipment
• Heating and cooling systems
• Industrial machinery
• Energy and utility systems
• ABB System 800xA installations

Because multiple RTD signals can be handled by one module, the AI830A can simplify temperature acquisition where several measurement points need to be monitored simultaneously.

Installation and Maintenance

Before installation, verify the 3BSE040662R1 part number and confirm that the selected Module Termination Unit is compatible with the application. ABB specifies the compatible MTUs as TU810, TU812, TU814, TU830, and TU833.

All connected RTDs must be isolated from ground. Proper three-wire wiring is also important because field wiring resistance can influence measurement accuracy.

During maintenance, inspect the terminal connections, field wiring, module seating, and diagnostic LEDs. The module provides supervision for open circuits, short circuits, reference-channel conditions, and internal power supply status, which can help technicians identify potential faults.

For spare storage, keep the module in suitable ESD-protective packaging and protect it from excessive humidity, dust, and mechanical impact.

Supply Information

We supply ABB automation and S800 I/O spare parts for industrial maintenance, system upgrades, repair projects, and replacement requirements. The ABB AI830A 3BSE040662R1 is a practical choice for applications requiring reliable eight-channel RTD temperature acquisition.

When ordering, customers should confirm the complete AI830A / 3BSE040662R1 identification and the required condition or revision. This helps ensure that the supplied module matches the existing ABB control-system configuration.