Model: UNS0887A‑P
Part No: 3BHE008128R0001
Power Supply: 24V DC (±15%), typical power consumption 4.5W
Applicable System: ABB UNITROL 5000 static excitation system
Main Function: Protocol conversion, data gateway, communication expansion between excitation controller and upper monitoring system
Communication Interfaces: Internal system bus, supporting DCS/SCADA system docking
Data Feature: Real‑time transmission of excitation operating parameters, fault records and alarm information
Isolation: 1.5kV AC galvanic isolation for communication channels
Operating Temperature: ‑10℃ ~ +60℃; Storage temperature:‑40℃ ~ +85℃
Humidity: 5%‑95% RH, non‑condensing
Protection Class: IP20 (cabinet internal installation)
Mounting: Rack plug‑in installation for UNITROL5000 excitation cabinet
Dimension: 205mm × 140mm ×38mm; Weight: approx 0.40kg
UNS0887A‑P (3BHE008128R0001) is a dedicated communication adapter board for ABB UNITROL5000 generator static excitation system. It serves as data gateway between the main excitation controller and plant‑level monitoring system.
This plug‑in board completes communication protocol conversion, realizes seamless data interconnection between excitation unit and DCS, SCADA or host monitoring equipment. It uploads real‑time generator voltage, excitation current, limit status and fault alarm data, and receives remote parameter configuration commands from upper system. Industrial‑grade EMC hardware design adapts to complex electromagnetic environment in power plant excitation cabinet. On‑board LED indicators show communication status and fault information for convenient on‑site inspection and troubleshooting.
Widely used in thermal power, hydropower and industrial captive power plant synchronous generator excitation cabinets. When replacing spare parts, verify full part number and hardware revision to ensure system compatibility. Complete power‑off and discharge operations before installation to avoid module damage and communication failure of excitation system. Suitable for on‑site fault replacement and long‑term spare‑part stocking of existing UNITROL5000 excitation equipment.
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