ABB AI895 3BSC6900B6R1 I/O Analog Input Module

Technical Overview

The AI895 (Part Number: 3BSC6900B6R1) is an 8-channel intrinsic safety (IS) analog input module for the ABB S800 I/O system. It facilitates direct connection to 4–20 mA transmitters in hazardous areas and features integrated HART communication for remote diagnostics and variable tracking. With 12-bit resolution and built-in transmitter power, it provides a compact, reliable solution for high-fidelity process monitoring.

Comprehensive Technical Specifications

• Manufacturer: ABB

• Article Number: 3BSC6900B6R1

• Module Type: Analog Input (S800 System)

• Number of Channels: 8

• Input Signal Range: 4–20 mA

• HART Support: Yes

• Intrinsic Safety: Yes

• Resolution: 12 bit

• Accuracy: Typ. 0.05%, Max. 0.1%

• Under/Over Range: 1.5 mA / 22 mA

• Isolation: Groupwise isolated from ground

• Power Dissipation: 4.75 W

• Current Consumption: Typ. 130 mA (+5V Modulebus); Typ. 270 mA (+24V external)

Typical Applications

• Hazardous Area Instrumentation: Direct interfacing with field devices in explosive atmospheres without additional external barriers.

• Process Automation: Precise monitoring of flow, pressure, and temperature in chemical and oil & gas facilities.

• Asset Management: Leveraging HART protocols for real-time device health monitoring and remote configuration.

• Refinery Control Systems: High-density analog integration for ABB Ability™ System 800xA and other DCS platforms.