Product Overview

The ABB 3BHE006412R0101, model UFC762 AE101, is a high-integrity Control and Voltage Measurement Interface (CVMI) board specifically engineered for the UNITROL® Excitation System series. This essential circuit board functions as a high-precision acquisition and command layer, responsible for monitoring generator terminal voltages and executing relay-based control logic within the power electronics assembly. Designed to operate as a critical node in a Distributed Control System (DCS), the UFC762 AE101 ensures that excitation levels remain synchronized with grid demands, providing the real-time processing necessary to stabilize synchronous machine performance.

Essential Hardware Parameters

• Model Identification: UFC762 AE101

• Ordering Code: 3BHE006412R0101

• Functional Category: CVMI (Control Voltage Measurement Interface) / Relay Output Module

• System Series: UNITROL® Excitation Systems

• Communication Support: Optimized for Ethernet router services and high-speed internal bus data transfer

• Net Weight: 0.22 kg

• Module Footprint: 18.3cm x 17.8cm x 2.0cm

• Manufacturing Origin: Sweden

• Environmental Build: Engineered for electromagnetic compatibility (EMC) in high-voltage substation environments

Operational Use Cases

The UFC762 AE101 is primarily deployed in utility-scale power generation sectors, including hydroelectric, thermal, and nuclear facilities. It is tasked with the critical role of voltage measurement and relay output execution to manage the field current of large generators. Beyond traditional power plants, this board is utilized in heavy industrial sectors where large synchronous motors require precise excitation control to manage reactive power and ensure grid stability. Its scalable design allows it to integrate seamlessly into complex automation architectures, providing a cost-effective yet robust solution for facilities undergoing digital transformation or system life-extension upgrades. By providing rapid signal processing and stable relay switching, it significantly mitigates the risk of unplanned downtime in high-availability industrial networks.