Description
Product Core Brief
- Model: V1
- Order Code: 3BHE014967R0001
- Brand: ABB
- Product Type: Excitation control option board / COB main control board
- Core Function: Serves as a control or communication interface board inside ABB excitation cabinets; supports signal processing, cabinet communication, diagnostics, and excitation system coordination
- Key Specs: Rack-mounted plug-in module | Backplane-powered | Status LEDs | Industrial-grade PCB | Compatible with ABB excitation cabinet families
- Condition: New Original / New Surplus
Key Technical Specifications
- Part Number: V1
- ABB Order Code: 3BHE014967R0001
- Manufacturer: ABB
- Product Category: Excitation control board / COB module
- Typical Application: ABB excitation cabinets, generator excitation systems, synchronous motor excitation, industrial power control systems
- Core Role: Acts as a control option board inside the excitation cabinet; handles system communication, I/O coordination, diagnostics, and control signal processing
- Power Supply: Supplied via system backplane; typically 24 VDC system supply, cabinet-dependent
- Installation: Plug-in cabinet module; installed in designated slot per cabinet layout
- Diagnostics: Front LEDs and fault feedback where supported by cabinet firmware
- Operating Temperature: Subject to cabinet and revision; confirm against nameplate/manual
- Protection Class: IP20, for control cabinet installation
- Lifecycle Status: Availability depends on surplus stock; official ABB lifecycle should be confirmed by order code
- Condition: New / New Surplus
- Warranty: Up to 12 months, supplier-dependent
Product Introduction
The ABB UNS2880B-P V1 is a control option board used in ABB excitation system cabinets. It is commonly identified as a COB main control board and is typically referenced with order code 3BHE014967R0001. The module is installed in the excitation cabinet backplane and supports control communication, signal coordination, diagnostics, and system-level interface functions within the excitation system.
For maintenance teams, system integrators, and MRO procurement, this board is usually sourced as a verified replacement when a failed COB module causes excitation cabinet alarms, communication faults, control signal loss, or system diagnostics errors. Because ABB uses multiple UNS order codes across different cabinet families, the full part number, hardware revision, and slot position must be matched before replacement.
QA & Testing SOP
- Label verification. Confirm UNS2880B-P, V1, and 3BHE014967R0001 on the ABB nameplate. Check for any revision marks.
- Visual inspection. Inspect the PCB, connectors, front panel, and solder joints for corrosion, burnt components, cracked pins, or rework marks.
- Slot verification. Confirm the module is installed in the correct cabinet slot and that the backplane connector matches the original board.
- Power-up check. Energize the cabinet per site procedure and verify normal LED indications and no abnormal heating.
- Communication and diagnostics check. Verify cabinet communication, module recognition, and alarm status where testable.
- Parameter and firmware check. If the module supports configuration, confirm that firmware and parameters match the existing excitation cabinet setup.
- ESD and mechanical protection. Handle the module with ESD-safe tools and protect connectors during storage and shipping.
Installation Pitfalls & Guide
❗ Match the full order code. UNS2880B-P V1 alone is not sufficient. The 3BHE014967R0001 code must match the failed module.
❗ Do not confuse with UNITROL 1010 AVR. This is a cabinet plug-in control board, not a standalone generator AVR. It cannot replace a UNITROL 1010 controller.
❗ Confirm slot position and cabinet family. Install only into the designated slot. Wrong slot placement may cause communication faults or incorrect control mapping.
❗ Commission under supervision. Replacement and parameter verification should be performed by qualified personnel following plant safety procedures.
Replacement steps:
- Record the original slot position, LED status, alarm codes, and configuration.
- De-energize the excitation cabinet unless approved hot-swap procedures apply.
- Remove the failed COB module and inspect the backplane connector.
- Install the replacement UNS2880B-P V1 and secure the front panel.
- Power up, verify communication, clear alarms, and confirm normal excitation operation.
Technical FAQ
What is UNS2880B-P V1 3BHE014967R0001?
It is an ABB excitation cabinet control option board, commonly referenced as a COB main control board for ABB excitation systems.
Is this a UNITROL 1010 AVR?
No. It is a cabinet plug-in control board, not a standalone automatic voltage regulator.
Can it be used as a direct replacement?
Only if the order code, hardware revision, firmware, slot position, and cabinet configuration match the original module.
What is the warranty?
Typically up to 12 months from acceptance, depending on supplier terms.
Do you offer bulk or repeat-order pricing?
Yes. Pricing can be adjusted for volume, repeat procurement, or long-term spare parts agreements. Send the full order code, revision, and quantity for a quote.



