Product Description

Overview

The ABB UNC4674BV1 Interface Module plays a central role in UNITROL excitation systems by managing communication, signal conditioning, and I/O processing. It helps operators maintain stable generator performance by ensuring clean and reliable data exchange between the excitation controller and external supervisory systems. Moreover, its rugged industrial design allows continuous operation in demanding power-generation environments.

Product Summary

This module supports synchronous generators by maintaining accurate voltage regulation and reactive power control across a wide range of operating conditions. In addition, its compact mechanical structure simplifies installation in retrofit projects where space is limited. Engineers value the consistent performance of this module because it integrates smoothly with SCADA systems and plant-level automation architectures.

Technical Specification

General Information

• Manufacturer: ABB

• Model Number: UNC4674BV1

• Part Number: HIEE305089R1

• Product Type: Interface Module

• Origin: Sweden

• Condition: Brand New & In Stock
  

System & Functionality

• System Compatibility: UNITROL 1020 / UNITROL 5000 excitation systems

• Functions: Signal conditioning, communication handling, I/O processing

• Input/Output Channels: Multiple analog and digital channels

Communication & Electrical

• Supported Protocols: Ethernet, Modbus, Profibus, IEC 61850 (per configuration)

• Supply Voltage: 24 VDC typical

Mechanical & Environmental

• Dimensions (H × W × D): ~186 × 59 × 127 mm

• Weight: 1.43 kg

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Protection Class: Industrial-grade housing

Shipping & Packaging

• Shipping Detail: FedEx, UPS, or equivalent express carriers

FAQ

Q1: Which UNITROL systems support the UNC4674BV1 module?
It integrates with UNITROL 1020 and UNITROL 5000 platforms used in generator excitation systems.

Q2: Does the module include configurable communication interfaces?
Yes, it supports multiple protocols such as Profibus, Ethernet, and IEC 61850 depending on system configuration.

Q3: Can this module operate in high-temperature environments?
Yes, it runs reliably from –20 °C to +60 °C and suits most industrial power facilities.

Q4: Is setup complex for this module?
No, installation is straightforward because the module features a compact and service-friendly design.

Q5: What industries commonly use the UNC4674BV1?
It is widely used in power generation, grid-stability systems, and industrial automation requiring precise excitation control.