ABB AI825 3BSE036456R1 S800 I/O Galvanically Isolated Analog Input Module

Description

The ABB AI825 is a high-performance analog input module belonging to the S800 I/O family, specifically engineered for demanding industrial environments. It provides four channels of individual galvanic isolation, allowing for the precise measurement of voltage and current signals while protecting the control system from ground loops, electrical noise, and cross-channel interference.

Specifications

• Manufacturer: ABB.

• Country of Origin: Sweden.

• Model Number: AI825 (3BSE036456R1).

• Input Configuration: 4 channels, individually galvanically isolated.

• Signal Ranges: ±10 V, ±5 V, 0 to 10 V, 0 to 20 mA, and 4 to 20 mA.

• A/D Resolution: 14 bits plus sign.

• Isolation Rating: 50 V continuous channel-to-channel and channel-to-system.

• Power Supply: 24 VDC nominal.

• Dimensions: 119 mm x 45 mm x 102 mm.

• Physical Weight: Approximately 0.22 kg (0.48 lbs).

Features

• Superior Galvanic Isolation: Provides dedicated isolation for every channel to ensure maximum signal integrity and prevent fault propagation between field devices.

• Bipolar Signal Support: Accommodates both positive and negative voltage ranges, offering flexibility for complex sensing applications such as motor speed or directional flow.

• Comprehensive Fault Detection: Includes integrated diagnostics for over-range, under-range, and hardware failure, reporting status directly to the controller.

• High Common Mode Rejection: Effectively filters out electromagnetic interference (EMI) commonly found in heavy industrial processing areas.

• Hot-Swap Capability: Allows the module to be removed or replaced without powering down the I/O station, significantly reducing system downtime.

• S800 System Integration: Designed for seamless plug-and-play operation within the System 800xA and Advant OCS architectures via the ModuleBus interface.