ABB AI880A Analog Input Module

Product Description

The ABB AI880A (Part Number 3BSE039293R1) is a high-integrity, unipolar single-ended Analog Input Module designed for the decentralized S800 I/O family. This 8-channel module natively supports standard $0 \dots 20\text{ mA}$ and $4 \dots 20\text{ mA}$ current loops and features integrated HART protocol pass-through communication. 

Technical Specifications

• Manufacturer: ABB

• Product Series Family: S800 I/O Hardware Platform

• Model Number Designation: AI880A

• Global Article Code: 3BSE039293R1

• Device Classification: High-Integrity Safety/Process Analog Input Module

• Channel Density Configuration: 8 unipolar single-ended channels

• Input Current Signal Envelopes: $0 \dots 20\text{ mA}$ or $4 \dots 20\text{ mA}$ software-selectable profiles

• HART Digital Protocol Interfacing: Yes (Bi-directional pass-through capabilities on all 8 channels)

• Safety Integrity Status: High Integrity (Suitable for safety-critical and SIL3 deployment)

• Hardware Fault Redundancy: Supports fully redundant configuration architecture

• Internal Data Converter Resolution: 12-bit binary digital resolution

• Input Impedance Parameter: 250 $\Omega$ nominal resistance when paired with the TY801 shunt stick matrix

• Electrical Isolation Barrier: Groupwise isolation protection from chassis system ground

• Over-Range Measurement Margin: Up to +12% for $0 \dots 20\text{ mA}$ lines; up to +15% for $4 \dots 20\text{ mA}$ lines

• Absolute Accuracy Threshold: Maximum error limit of $\pm0.1\%$ of full scale at room temperature

• Thermal Drift Coefficient: Maximum 50 ppm/°C baseline deviation

• Hardware Signal Input Filtering: 190 ms hardware filter rise time window ($0 \dots 90\%$)

• Data Bus Loop Update Cycle: 10 ms fast processing refresh rate

• Field Loop Transmitter Protection: Built-in current-limiting short-circuit transmitter power distribution

• Maximum Permissible Cable Length: 600 meters (Approximately 656 yards) using standard shielded twisted pair

• Maximum Non-Destructive Fault Voltage: 11 VDC continuous limit

• Normal Mode Rejection Ratio (NMRR): Greater than 40 dB at 50Hz and 60Hz frequency bands

• Rated Dielectric Test Isolation: 50 V rated insulation voltage; 500 VAC dielectric test withstand barrier

• Internal Power Dissipation Profile: 2.4 W total module thermal load

• Modulebus Power Draw: 45 mA maximum load from +5 V rail; 50 mA maximum load from +24 V rail

• External Supply Consumption: 4 mA baseline + connected transmitter loop currents (max 260 mA combined)

• Physical Footprint Profile: 45 mm × 102 mm × 119 mm (W × D × H); depth expands to 111 mm with terminal block attached

• Net Device Weight: 0.15 kg (Approx. 0.33 lbs)

Industrial Application Scenarios

The ABB AI880A 3BSE039293R1 analog input card is heavily utilized across high-safety processing sectors like petrochemical refining installations, offshore oil rigs, specialized pharmaceutical lines, and thermal power plant controls. The module installs on standard S800 backplanes connected to ABB Ability System 800xA or AC800M automation architectures. In these configurations, it connects directly to core analog field instruments, such as differential pressure transmitters, ultrasonic fuel level sensors, pipeline flowmeters, and process temperature loops. Because of its safety rating, it functions as a dual-purpose node: it handles everyday process variable data while standing ready to initiate emergency safety logic if a parameter crosses critical plant shutdown limits.