Description
ABB GDD471A001 | 2UBA002322R0001 | Power Electronics Control Board
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Board Designation | GDD471A001 |
| ABB Material Number | 2UBA002322R0001 |
| Product Type | Power electronics control board |
| Reported Application | ABB medium-voltage drive power unit |
| Control Interface | Fiber-optic communication reported |
| Primary Function | Power-unit / gate-drive control |
| Power Semiconductor Interface | Reported IGBT gate-drive interface |
| Diagnostic Function | Power-unit status and fault feedback |
| Board-Level Protection | Reported semiconductor fault/protection monitoring |
| Mounting | Internal drive/power-unit assembly |
| Exact Drive Compatibility | Must be verified from drive nameplate and PCB revision |
The strongest consistent identification across the current search results is the relationship GDD471A001 ↔ 2UBA002322R0001. Multiple sources describe 2UBA002322R0001 as a control board used in ABB medium-voltage drive power units, with optical communication between the control electronics and power section.
Product Introduction
The ABB GDD471A001, associated with ABB material number 2UBA002322R0001, is reported as a power-electronics control board used within ABB medium-voltage drive equipment. In this role, the board sits between higher-level drive control electronics and the power-conversion section, handling control signaling, power-semiconductor drive functions, and status or fault feedback.
This is therefore not a conventional PLC I/O card. A replacement should be treated as a drive-specific power-electronics spare, where hardware revision, connector arrangement, firmware or onboard configuration, optical-fiber routing, and the exact host drive are more important than the GDD designation alone.

GDD471A001
Application Scenarios & Field Pitfalls — Engineer’s Perspective
Engineering Pain Point
A failed GDD471A001 can produce symptoms that look like a failed IGBT, DC-link problem, fiber communication fault, or complete power-cell shutdown. Replacing the PCB without first checking the optical links, auxiliary supply, gate-drive circuitry, and semiconductor power stage can result in replacing a good board unnecessarily.
Typical Applications
- ABB medium-voltage variable-frequency drive systems
- ABB power-cell based inverter architectures
- High-power industrial motor drive cabinets
- Drive maintenance and emergency PCB replacement
Technical Pitfalls to Avoid
- Do not identify this board solely from the GDD471A001 designation.
Current web sources contain a significant identification conflict. Some pages describe / 2UBA002322R0001 as a Symphony Harmony high-voltage DI/DO module, while other sources identify the same part number as an ABB MV-drive power-unit control board. - Match the complete ABB material number and PCB revision.
For a drive repair, verify 2UBA002322R0001, PCB revision, connector arrangement, and the host drive model. Do not substitute a visually similar ABB control PCB without engineering confirmation. - Inspect the fiber-optic circuit before condemning the board.
Loss of optical communication can originate from the fiber, transmitter/receiver components, connectors, or upstream control electronics rather than the GDD board itself. - Do not assume the board is interchangeable between ABB drive families.
Some current sources associate this part with ACS580MV, while others associate it with older ABB ACS-series or other medium-voltage drive equipment. The actual drive nameplate and cabinet documentation should take precedence. - Treat the board as a power-electronics component.
Testing should include appropriate ESD controls and the manufacturer’s isolation/discharge procedure. It should not be handled like a conventional low-voltage PLC card.
Related Products
- ABB 2UBA002322R0001 — Material-number designation repeatedly associated with ; verify the exact PCB marking.
- ABB ACS580MV — Medium-voltage drive platform reported as one application for this board by current sources.
- ABB ACS5000 — Older medium-voltage drive family appearing in some current identification records; verify compatibility before substitution.
- ABB ACS6000 — Another ABB medium-voltage drive family associated with similar power-electronics architectures; do not assume direct interchangeability.
- ABB ACS1000 — Medium-voltage drive family mentioned by some suppliers in connection with ; verify against the original drive documentation.
- ABB IGBT power modules — Power-semiconductor hardware controlled by the relevant gate-drive electronics.
- ABB fiber-optic drive control assemblies — Optical communication hardware used for isolated control signaling within MV power-conversion equipment.
Procurement Check
Before purchasing or installing an , verify:
- Exact marking:
- ABB material number: 2UBA002322R0001
- Complete host-drive model
- Drive power rating
- Power-cell identification
- PCB hardware revision
- Connector configuration
- Fiber-optic connector arrangement
- Auxiliary/control supply
- Existing fault code
- Condition of optical fibers
- Gate-drive and IGBT condition
- Original ABB cabinet documentation
- Nameplate photograph of the failed board
Recommended procurement description:
ABB / 2UBA002322R0001 Power Electronics Control Board, ABB Medium-Voltage Drive Power-Unit Control / Gate-Drive Assembly — Exact Drive Model and PCB Revision to Be Verified Before Replacement.
Important: I would keep the 2UBA002322R0001 ↔ association, but I would not advertise it as an 8-DI/8-DO Symphony Harmony module without an original ABB document or nameplate confirming that application. The current sources are internally contradictory, while several independent listings consistently describe the part as a drive power-unit control board.
