ABB UNS0119A-P,V101 3BHE029153R0101 V101 Main Control Processor Board

UNS0119A‑P,V101 (3BHE029153R0101) is core main‑processor board for ABB UNITROL1020 compact digital excitation regulator, V101 stands for hardware revision version. It undertakes AVR automatic voltage‑regulation closed‑loop calculation, excitation protection logic processing, fault event recording, sampling signal processing and system communication functions. It outputs control commands to thyristor power unit, interacts with internal I/O and communication peripherals. Corresponding alternate part number: 3BHE029154P3. Product status: Obsolete, spare‑part only supply available。

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Description

Hardware & Electrical Specifications

  • Model：UNS0119A‑P,V101
  • Part Number：3BHE029153R0101
  • Module Type：Main Control Processor Board
  • Bus Interface：Internal system back‑plane bus for peripheral board interaction
  • External Interface：Ethernet communication port, multi‑channel signal terminal interfaces
  • Power supply：24 V DC (18‑32 V DC)
  • Max power consumption：12 W
  • Galvanic isolation：≥2000 V AC between field‑signal side and control‑logic side
  • Dielectric strength：2000 V AC 1 minute
  • Insulation resistance：＞100 MΩ @ 500 V DC
  • On‑board protection：ESD protection, surge suppression, hardware watchdog, conformal coated PCB
  • Compatibility note：Cannot run standalone; dedicated for UNITROL1020 excitation unit, must match corresponding firmware. Replacement with alternate PN 3BHE029154P3 needs hardware‑firmware compatibility validation。

Environmental Specifications

  • Operating temperature：‑10 ℃ ~ +60 ℃
  • Storage temperature：‑40 ℃ ~ +85 ℃
  • Relative humidity：5%‑95% non‑condensing
  • Installation location：Inside UNITROL1020 excitation unit housing
  • EMC compliance：IEC 61000‑6‑2
  • Certifications：CE

Mechanical Data

  • Installation：Built‑in main board for UNITROL1020 device
  • Interfaces：Internal system bus connector; front‑panel Ethernet port; external signal terminal blocks
  • Recommended wire cross‑section：0.75 mm²‑2.5 mm² copper cable for signal terminals
  • Terminal tightening torque：0.6‑1.0 N·m
  • Weight：approx 0.87 kg
  • Dimension：Form‑factor matched for UNITROL1020 housing

Main Functions

  1. Execute core AVR automatic voltage‑regulation closed‑loop algorithm for synchronous generator excitation system.
  2. Implement excitation‑related protection logic, fault event recording and alarm processing.
  3. Process analog & binary input signals, generate control output commands for thyristor power unit.
  4. Support Ethernet communication, realize parameter configuration, real‑time monitoring and remote data exchange.
  5. System self‑diagnosis: detect power‑supply abnormality, internal logic fault and peripheral channel failure; generate fault alarm code.
  6. LED status indication:
    • Green LED：Power supply normal, processor running healthy
    • Yellow LED：Communication / control loop active
    • Red LED：System fault / protection trip alarm

Installation & Wiring Requirements

  1. Cut off total power supply before replacement. Follow UNITROL1020 service manual for board replacement operation. Hot‑swap is strictly forbidden.
  2. Connect measuring‑signal, binary I/O and communication cables strictly according to wiring diagram; separate high‑power cables and weak‑signal cables to reduce electromagnetic interference.
  3. Equipment protective grounding shall comply with ABB UNITROL‑series grounding specification.
  4. After replacement, download project parameters, verify firmware version consistency, complete regulation‑loop test and protection function simulation before commissioning.
  5. Replacement note: Only apply for UNITROL1020 unit; cross‑model substitution is not allowed.

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