ABB 3BHE037864R0106 Communication & Signal Interface Board

Description

Hardware and Performance Specifications Auxiliary supply: 24 V DC, 18‑30 V DC wide‑range input Power consumption: ≤11 W Communication interfaces: Multi‑channel optical fiber Ethernet LC ports, RS485 serial port; support IEC 61850, Modbus‑TCP protocols Binary I/O: Galvanic‑isolated digital inputs and relay output channels Mounting mode: Subrack plug‑in PCB for UNITROL6000 excitation cabinet Protection class: IP20 Operating temperature: ‑25 ℃ ~ +70 ℃ Storage temperature: ‑40 ℃ ~ +85 ℃ Humidity: 5‑95 %RH non‑condensing EMC compliance: Comply with IEC 61000‑4 series industrial electromagnetic‑compatibility standards Dimension & weight: approx. 240 × 160 × 35 mm, weight approx. 0.52 kg Certifications: CE approval

Main Functions Realize high‑speed data exchange between UNITROL6000 excitation controller and external automation monitoring system. Transmit real‑time measured values, protection alarms, time‑stamped event logs and disturbance‑recording data to upper‑level SCADA/DCS system. Receive remote control and remote setting switching commands issued by upper‑level system and forward to excitation main controller. Acquire field binary interlock and status feedback signals for excitation logic processing. Front‑panel LED indicators display bus link status, data transmission status and hardware‑fault alarm codes for on‑site inspection. Hardware self‑diagnosis detects optical‑channel failure, communication abnormality and internal circuit faults, upload fault‑alarm information to main processing unit. Parameter configuration and commissioning are completed by ABB excitation engineering software.

Installation Requirement Plug‑in installation inside UNITROL6000 excitation subrack. High‑power power cables and weak‑signal optical‑fiber / control‑wiring shall be strictly separated. Ensure reliable cabinet protective grounding. After board replacement, confirm full part‑number UFC911B106 / 3BHE037864R0106 matches original project configuration, download complete excitation‑configuration file. Perform optical‑fiber communication link test, signal‑loop verification and data‑interaction test with upper‑level monitoring system. Different hardware revisions cannot be directly interchanged without firmware and configuration adaptation. Do not put into service until no hardware self‑diagnosis fault alarm exists.

Typical Application Scenarios Communication‑interface spare‑part for UNITROL6000 static excitation‑systems of large‑capacity synchronous generators in thermal‑power plants, hydropower plants and heavy‑industrial captive‑power‑stations; used for excitation‑system maintenance and spare‑part replacement.

Key Features

1. Dedicated UFC911B106 multi‑function communication‑interface board for UNITROL6000 excitation platform, supports IEC 61850 substation‑automation standard protocol.
2. Optical‑fiber Ethernet interface, excellent anti‑interference performance for strong‑electromagnetic‑interference power‑plant site environment.
3. Integrate serial communication and binary‑signal acquisition functions, realize multi‑type signal interaction.
4. Plug‑in subrack‑mount structure, convenient for on‑site replacement and maintenance.
5. Strict full‑part‑number matching shall be observed during spare‑part replacement; cannot be substituted by other UFC‑series boards without adaptation.