The ABB DSAX110A 3BSE018291R1 is a high-reliability, combined analog input and output board engineered for distributed data acquisition and process control. Operating as a critical module within the Advant Controller 400 (AC400) and AC450 subrack environments, it acts as a dual-direction interface bridging localized continuous field sensors with the host controller. The card manages simultaneous multi-channel analog signal reception and analog control signal transmission over the S100 I/O bus, utilizing high-precision analog-to-digital and digital-to-analog converters.

n Number of Signal Input Channels: 8 channels

n Number of Signal Output Channels: 4 channels

n Supported Input/Output Signal Range: Nominal 0 to ±10 VDC / 0 to 20 mA or 4 to 20 mA

n System Logic Power Consumption: Standard +5 VDC (from backplane) and ±24 VDC (from external or subrack distribution)

n Ambient Operating Temperature: 0°C to +55°C (+32°F to +131°F) continuous cabinet environment rating

n Relative Operating Humidity: 5% to 95% (Non-condensing state)

1.

Closed-Loop Flow and Valve Regulation: Directly receives continuous current telemetry from electronic flowmeters (inputs) and simultaneously outputs fine-tuned mA positioning commands to proportional control valve actuators (outputs) to maintain constant pipeline flow rates.

2.

Pulp, Paper, & Printing Mills: Tracks continuous tension variations on web-handling machinery while dynamically outputting speed correction references to auxiliary AC/DC variable frequency motor drives.

3.

Oil, Gas, & Heavy Petrochemical Processing: Monitors continuous temperature profiles inside distillation columns and adjusts chemical dosing pump velocities based on real-time fluid feedback tracking.

4.

Traditional Power Utilities & Steam Boiler Control: Aggregates thermal analytics from boiler feeds while outputting precise position setpoints to air combustion dampers and fuel gate manifolds.