ABB AO895 3BSC690087R1 S800 I/O Intrinsic Safety Analog Output Module with HART

Description

The ABB AO895 is an 8-channel analog output module for the S800 I/O system, designed to control field devices in hazardous areas. With built-in energy-limiting barriers, it supports direct connection to intrinsically safe actuators and positioners without external isolators. The module also features HART pass-through communication for digital configuration and maintenance via the AC 800M controller, enhancing safety and process efficiency.

Specifications

• Manufacturer: ABB

• Country of Origin: Switzerland

• Model Number: AO895

• Order Number: 3BSC690087R1

• Product Type: Intrinsically Safe Analog Output

• Output Channels: 8

• Current Range: 4 to 20 mA

• Digital Communication: HART pass-through supported

• Hazardous Area Suitability: Designed for field devices in Zone 0, 1, or 2

• Resolution: 12-bit

• Weight: 0.3 kg

Features

• Integrated Safety Barriers: Features internal circuitry that limits energy to hazardous areas, significantly reducing installation footprint and wiring costs.

• HART Asset Management: Supports bidirectional digital data exchange for remote monitoring and recalibration of smart actuators.

• Redundant Configuration: Capable of being utilized in redundant pairs to ensure maximum system availability for critical process control loops.

• Output Supervision: Continuous read-back functionality allows the module to monitor the actual output current and detect open circuits or high resistance.

• Advanced Isolation: Provides high-level galvanic isolation between the system backplane and the field circuits to eliminate ground loop noise.

• Modular Maintenance: Compatible with S800 Module Termination Units (MTUs) and supports hot-swapping to ensure zero-downtime hardware replacement.