ABB AI880A 8-Channel HART Analog Input Module

Product Description

The ABB AI880A (Part Number: 3BSE039293R1) is a high-integrity, 8-channel unipolar single-ended analog input module engineered for the S800 I/O system. Featuring full HART protocol pass-through communication and groupwise ground isolation, it delivers precise 12-bit resolution data acquisition and dual loop redundancy for mission-critical industrial process loops.

Technical Specifications

• Manufacturer: ABB

• Model Number: AI880A

• Article Number: 3BSE039293R1

• I/O Subsystem: S800 System Architecture

• Channel Configuration: 8 unipolar single ended input loops

• Signal Current Limits: 0 to 20 mA or 4 to 20 mA operational range

• HART Pass Through: Yes, certified digital transmitter communications support

• Redundancy Capability: Yes, supports dual module configuration setups

• Safety Integrity Option: High Integrity architecture design approval

• Data Converters Resolution: 12 bit analog-to-digital conversion depth

• Loop Input Impedance: 250 ohms combined with external TY801 shunt stick

• Channel Block Isolation: Groupwise electrical isolation barrier relative to chassis ground

• Maximum Loop Voltage: 11 V d.c. non-destructive terminal limit

• Update Cycle Metric: 10 ms fast scan synchronization loop

• Hardware Rise Filter: 190 ms internal low-pass hardware filter constant

• Maximum Field Cable: 600 meters maximum allowable loop length

• Module Power Dissipation: 2.4 W maximum internal heat output

• Physical Module Dimensions: 45 mm width x 119 mm height x 111 mm depth

• Net Hardware Weight: 0.15 kg (0.33 lbs) base unit mass

Industrial Application Scenarios

• Safety Instrumented Systems: Feeds high-integrity analog data points from emergency shutdown valves into central processing blocks without signal loss risk.

• HART Instrument Management: Captures secondary diagnostic data variables from intelligent pressure or temperature field transmitters to enable predictive instrument maintenance schemes.

• Redundant Loop Tracking: Monitors critical petrochemical tank farm level sensors by pairing two identical modules in a hot-standby hardware arrangement.

• Distributed Power Plants: Connects directly within decentralized field subracks to transmit continuous flue gas monitoring data across fast Modulebus links.