Description

ABB DSAI130D 3BSE003127R1 Differential Analog Input Board Product Description

Technical Specifications

• Product Model: DSAI130D, Order No: 3BSE003127R1
• Brand: ABB
• Warranty: One Year
• Input Voltage: 24 VDC supplied via DCS rack backplane
• Operating Temperature: 0°C to +55°C
• Storage Temperature: -40°C to +70°C
• Response Time: 20 ms per‑channel conversion time
• Protection Class: IP20 (cabinet eurocard rack‑mount installation)
• Accuracy Class: ±0.03% full‑scale measurement accuracy
• Output Frequency: Not applicable
• Rated Current Range: ±10 V, ±10 mA differential signal input
• Communication Interface: S100 backplane bus interface, field differential signal terminals
• Supported Protocols: ABB proprietary S100 parallel backplane bus protocol
• Overload Capacity: Galvanic isolation, overvoltage and surge protection for field inputs
• Dimensions: 365 mm × 261 mm × 20 mm

Product Overview

The ABB DSAI130D 3BSE003127R1 is a eurocard‑format 16‑channel differential analog input board built for ABB Advant MOD300 and AC400‑series DCS platforms, acquiring high‑level differential analog signals from plant‑field sensors and transmitters. This automation component converts analog measurement signals into 12‑bit digital datasets for the main controller to execute process monitoring and closed‑loop regulation. It addresses typical legacy‑system pain points such as common‑mode noise interference, signal offset drift and limited channel density for large measurement points. Facilities operating long‑term ABB process control installations deploy this spare component to sustain data acquisition performance and delay expensive full‑system migration. Automation engineers, maintenance technicians and system integrators in power generation, chemical processing and pulp‑and‑paper sectors rely on this board for robust multi‑point analog signal capture. (Word count:175)

Key Functions

16‑Channel Differential Analog Signal Acquisition This board supports 16 differential input channels accepting ±10 V and ±10 mA signals from pressure, flow and temperature transmitters. 12‑bit A/D conversion delivers stable digital readings transmitted over the S100 bus to the DCS controller. Differential input design greatly suppresses common‑mode interference for high‑noise industrial plant environments.

Software‑Configurable Multi‑Stage Signal Filtering Four selectable hardware filter cut‑off frequencies (10 Hz, 30 Hz, 100 Hz, 300 Hz) can be configured via system software. Users match filter parameters according to field signal characteristics to filter out high‑frequency electrical noise without hardware modification. Tunable filtering improves measurement stability for vibration‑heavy production sites.

Galvanic Isolation Between Field Circuit and System Bus Integrated galvanic isolation separates field‑side measurement loops from the internal S100 control bus. It blocks ground‑loop disturbances and transient surges from propagating into core DCS hardware. Electrical isolation prevents single‑point field faults from spreading and corrupting other measurement channels.