ABB AI895 3BSC6900B6R1 S800 I/O 8-Channel Intrinsically Safe Analog Input Module

Description

The AI895 is an intrinsically safe analog input module for collecting process signals in hazardous areas. It features galvanic isolation and energy-limiting circuitry to prevent ignition risks and supports HART communication for device diagnostics and remote configuration. Designed for safety and accuracy, it is widely used in oil and gas, chemical, and pharmaceutical industries.

Specifications

• Manufacturer: ABB

• Country of Origin: Sweden

• Model Number: AI895 (3BSC6900B6R1)

• Input Channels: 8 channels (single-ended)

• Signal Range: 4 to 20 mA

• Safety Rating: Intrinsically Safe (IS) for hazardous areas

• A/D Resolution: 12 bits

• HART Support: Bi-directional HART pass-through

• Power Supply: 24 VDC nominal

• Physical Weight: 0.25 kg (0.55 lbs)

• Redundancy: Supports module redundancy with appropriate MTUs

Features

• Direct Hazardous Area Interfacing: Integrated intrinsic safety barriers eliminate the cost and space required for external signal conditioners.

• HART Protocol Capability: Allows for the seamless transmission of secondary digital variables and device health monitoring.

• Galvanic Isolation: High-level isolation between field inputs and system logic protects the control hardware from transients and ground loops.

• Short-Circuit Protection: Advanced current-limiting technology safeguards the module against field wiring faults.

• System 800xA Compatibility: Full integration with ABB’s flagship automation platform for centralized asset management.

• LED Status Indicators: Front-facing LEDs provide immediate visual feedback for module health and individual channel faults.