Product Overview

The ABB DSAI 130H, identified by part number 57120001-NT, is a high-precision analog input interface designed for the Advant Controller 400 series (AC450) and MasterPiece Distributed Control Systems (DCS). This module serves as the primary data acquisition point for continuous process variables, converting analog signals from field sensors into digital data for the controller’s logic processor.

Engineered for the rigorous demands of the energy and heavy manufacturing sectors, the DSAI 130H is built to maintain signal integrity in environments characterized by high electromagnetic interference (EMI) and significant temperature fluctuations. Its architecture supports a high density of input points, allowing for efficient use of rack space while providing the deterministic performance required for closed-loop control and safety monitoring.

Performance and System Scalability

The 57120001-NT module is recognized for its long-term stability and robust electrical isolation. It protects the central system backplane from field-side electrical surges and ground loops, ensuring that a single instrument failure does not compromise the entire control node. The board's circuitry is optimized for high-speed sampling, making it suitable for time-critical applications such as turbine monitoring or chemical reactor pressure control.

As part of the modular Advant OCS family, the DSAI 130H allows for rapid system expansion. It integrates seamlessly into existing AC450 sub-racks, supporting the "Master" communication protocols for consistent data synchronization across the network. Its hardware design prioritizes durability, featuring industrial-grade components that resist the effects of mechanical vibration and industrial atmospheric contaminants.

Technical Specifications

• Model Number: DSAI 130H

• Ordering Code: 57120001-NT

• Device Type: Analog Input Board

• System Compatibility: Advant Controller 450 (AC450) / Advant OCS

• Signal Support: Standard industrial analog ranges (Voltage/Current)

• Data Acquisition: High-speed sampling with multi-channel support

• Isolation: Galvanic isolation between field inputs and system bus

• Manufacturing Origin: Sweden

• Physical Weight: 0.4 kg

• Module Dimensions: 2 x 24.3 x 24.8 cm

• HS Code: 8537101190

• Operational Status: Active / Legacy Support

Primary Industrial Applications

• Thermal Power Plants: Monitoring boiler temperatures, steam pressure, and fluid flow rates.

• Petrochemical Processing: Interfacing with level transmitters and pressure transducers in hazardous area barriers.

• Metal and Mining: Tracking furnace temperatures and mechanical strain gauges in heavy milling operations.

• System Maintenance: Serving as a reliable spare part for extending the lifecycle of Advant Master control infrastructures.