Description
Product Introduction
The ABB UNS2880B-P,V2 3BHE014967R0002 is a COB PCB assembled control board used in ABB UNITROL 5000 excitation systems. ABB’s published spare-parts documentation lists identification number 3BHE014967R0002, type UNS 2880 B-P V2, and description Control Board, with the component marked as system-dependent within the UN 5000 family.
The board occupies an important position in the excitation-control architecture. It should not be treated as a generic PLC CPU or standard drive-control card. The UNS2880B-P,V2 works as a dedicated control-board assembly within the excitation system, coordinating control functions with associated measurement, converter-interface, gate-driver, and I/O boards. ABB’s spare-parts list places the UNS2880B-P,V2 alongside the UNS2881B-P,V1 measurement unit board, UNS2882A-P,V1 extended gate controller, and other UNITROL 5000 interface boards.
The complete identification 3BHE014967R0002 / UNS2880B-P,V2 is important for procurement. The V2 revision is not interchangeable by assumption with an earlier UNS2880 variant. A secondary source lists the board as approximately 0.44 kg and 296 × 254 × 20 mm, while ABB’s product-detail record confirms the COB PCB assembly designation.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product ID | 3BHE014967R0002 |
| Type Designation | UNS2880B-P,V2 |
| Product Type | COB PCB Assembled |
| Functional Description | Control Board |
| Product Family | UNITROL 5000 |
| Application | Generator excitation control |
| Board Function | Main excitation-system control |
| Weight | Approx. 0.44 kg |
| Dimensions | Approx. 296 × 254 × 20 mm |
| Customs Tariff | 85371092 |
| Mounting | Dedicated excitation-system electronics assembly |
| Revision | V2 |
ABB’s official product-detail information confirms the product ID, type designation, COB PCB assembly description, and customs classification.
Specification caution: Some secondary listings incorrectly describe this board as an ACS600/ACS800 motor-drive controller and publish generic values such as 24 VDC input, Ethernet, RS-232, RS-485, and 16 digital I/O channels. Those specifications are not supported by ABB’s UNITROL 5000 spare-parts documentation and should not be used as confirmed engineering specifications for this exact part.
Application Scenarios & Engineering Considerations
The UNS2880B-P,V2 is principally relevant to ABB UNITROL 5000 generator excitation systems.
- Synchronous generator excitation: Provides the main control-board function within the excitation system.
- Power-generation plants: Applicable to excitation equipment associated with large generators.
- Static excitation systems: Works with the dedicated converter and gate-control electronics of the excitation system.
- Legacy UNITROL 5000 maintenance: Particularly important where the original control architecture must remain in service.
- Excitation-system refurbishment: Used when the installed control board requires replacement and the complete hardware revision must be preserved.
The board should be evaluated as part of the entire excitation system. Its compatibility depends on the installed UNITROL configuration, associated boards, firmware/software, system parameters, and hardware revision.

UNS2881B-P,V1 3BHE009319R0001
Related ABB UNITROL Boards
- ,V2 — 3BHE014967R0002 — Control Board.
- UNS2881B-P,V1 — 3BHE009319R0001 — Measurement Unit Board.
- UNS2882A-P,V1 — 3BHE003855R0001 — Extended Gate Controller.
- UNS0880A-P,V1 — 3BHB005922R0001 — Converter Interface.
- UNS0880A-P,V2 — 3BHB005922R0002 — Converter Interface.
- UNS0881A-P,V1 — 3BHB006338R0001 — Gate Driver Interface.
- UNS0881A-P,V2 — 3BHB006338R0002 — Gate Driver Interface.
- UNS0882A-P,V1 — 3BHB006309R0001 — Power Signal Interface.
- UNS0883A-P,V1 — 3BHB006208R0001 — Fast I/O.
These relationships are documented in ABB’s UNITROL 5000 spare-parts material.
The Engineer’s Guide: Field Pitfalls to Avoid
⚠️ Do not classify it as a generic VFD control board.
Some reseller databases associate 3BHE014967R0002 with VFD spare parts or ACS-series drives. ABB’s own UNITROL 5000 documentation identifies it as the UNS 2880 B-P V2 Control Board.
How to avoid it: Identify the board by both and 3BHE014967R0002, and verify the installed UNITROL system.
⚠️ V2 matters.
The requested part is specifically V2. An earlier UNS2880 board should not be approved merely because its board outline appears similar.
⚠️ Do not confuse it with UNS2881B-P,V1.
The two boards are adjacent in the UNITROL 5000 spare-parts structure, but they have different functions:
- Control Board
- UNS2881B-P,V1: Measuring Unit Board
⚠️ Configuration data can be as important as the PCB.
Replacing the physical board without preserving the correct excitation-system configuration can result in startup faults or incorrect excitation behavior.
How to avoid it: Record the existing controller configuration, firmware/software revision, parameter set, and diagnostic status before removing a functioning board.
⚠️ Do not rely on a visual inspection alone.
A COB PCB can look clean and still have failures in processor circuitry, memory, measurement interfaces, or internal power rails.
For refurbished equipment, functional testing in an appropriate UNITROL test environment is preferable to a simple power-on test.
Frequently Asked Questions
What is ABB 3BHE014967R0002?
It is the ABB product ID for the ,V2 COB PCB assembled control board.
What does ,V2 do?
It functions as the control board in the ABB UNITROL 5000 excitation-system architecture.
Is it a PLC CPU?
No. It is a dedicated excitation-system control PCB, not a general-purpose PLC CPU.
Which system uses this board?
ABB’s spare-parts documentation identifies it within the UNITROL 5000 family.
Is ,V2 interchangeable with UNS2881B-P,V1?
No. They perform different functions. ABB identifies ,V2 as the Control Board, while UNS2881B-P,V1 is the Measuring Unit Board.
What should I verify before purchasing?
Verify:
- 3BHE014967R0002
- UNITROL 5000 system compatibility
- Board revision
- Existing control-board configuration
- Firmware/software revision
- Associated measurement board
- Converter/gate-driver board versions
- Connector and PCB condition
- Functional test report
