Product Overview

The ABB UAD141A02, identified by part number 3BHE012095R0002, is a fundamental processing and motherboard unit engineered for the UNITROL series of excitation systems. This "Basic Module" functions as the central hardware foundation for industrial control cabinets, providing the computational infrastructure necessary for high-precision voltage and current regulation. Designed to operate as a high-tier node within a Distributed Control System (DCS), the UAD141A02 manages the core logic and signal distribution required for synchronous machine stability. Its architecture is optimized for high-speed data acquisition and deterministic response times, ensuring that critical power conversion commands are executed without latency in mission-critical energy sectors.

Critical Hardware Architecture

• Model Designation: UAD141A02

• Part Identification: 3BHE012095R0002

• Module Classification: Basic Control Module / Industrial Motherboard

• Product Range: UNITROL Excitation Systems

• Communication Support: Multi-protocol integration including Modbus RTU

• External Dimensions: 27 x 11.5 x 2.8 cm

• Unit Mass: 0.26 kg

• Manufacturing Origin: Sweden

• Network Capability: Ethernet-ready via DCS routing interfaces

• Lifecycle Status: Active

Applied Industrial Contexts

The UAD141A02 is a specialized component essential for the stability and protection of large-scale electrical rotating machines.

• Power Plant Excitation: Serving as the logic backbone for UNITROL systems managing hydroelectric and thermal generators.

• Heavy Industrial Rectifiers: Controlling high-power conversion stages in chemical electrolysis and metal smelting plants.

• Automated Process Control: Providing a stable motherboard platform for synchronized motor control in large-scale manufacturing.

• Smart Grid Interfacing: Facilitating rapid data exchange between local power hardware and centralized SCADA monitoring via Modbus and Ethernet pathways.

System Integrity and Engineering Excellence

Built to withstand the rigorous electromagnetic interference (EMI) typical of power conversion environments, the 3BHE012095R0002 utilizes high-integrity industrial circuitry to prevent signal degradation. The module's slim-profile PCB design is optimized for high-density rack mounting, allowing for efficient heat dissipation even in confined cabinet spaces. It features a user-centric configuration interface that simplifies the initial deployment and future firmware updates, effectively reducing the time required for commissioning and maintenance. By integrating the UAD141A02, system operators benefit from a future-proof hardware foundation that ensures consistent performance across a wide range of ambient temperatures and varying load conditions, ultimately lowering the total cost of system ownership.