I/O modules

Product Overview

The ABB AI845 (3BSE023675R1) is an 8-channel Analog Input (AI) module supporting HART communication.
It works in redundant or single configuration within ABB S800 I/O systems, providing precise signal measurement and reliable diagnostics.
This module distributes current-limited transmitter power and ensures seamless integration with ABB termination units.

Key Features

• Input Types: 0(4)…20 mA, 0(1)…5 V
• Resolution: 12-bit, single-ended
• Accuracy: 0.1%
• HART Protocol Support for smart device communication
• Current-limited transmitter power distribution
• Advanced on-board diagnostics
• Compatible Termination Units: TU810, TU812, TU814, TU818, TU830, TU833, TU835, TU838, TU844, TU845, TU854
• Channel Configuration: 1×8 channels, redundant or single

Technical Specifications

• Channel Type: Analog Input (AI)
• Number of Input Channels: 8
• Number of Output Channels: 0
• Product Type: I/O Module

Physical Information

• Dimensions: 102 mm × 119 mm × 45 mm (Depth × Height × Width)
• Net Weight: 0.2 kg

Environmental Compliance

• RoHS Status: Compliant with EU Directive 2011/65/EU
• WEEE Category: 5 (Small Equipment, no external dimension exceeds 50 cm)
• Batteries Required: 0

Customs & Tariff

• HS Code: 853890 – Parts for apparatus of headings 85.35, 85.36, or 85.37
• Customs Tariff Number: 85389099

Applications

The AI845 is suitable for industrial automation requiring reliable analog signal acquisition.
It integrates with ABB S800 I/O 4.0–5.1 systems and the 800xA and Compact Product Suite platforms, supporting advanced process control and diagnostics.

Details