Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | BCU-02 |
| Ordering Code | 3AUA0000110429 |
| Product Type | Control Unit for Converters |
| Power Supply | External 24 V DC |
| Fiber Optic Connections | 2 (V1, V2) on BCU-02 |
| Option Slots | 3 (for I/O, encoder, fieldbus adapters) |
| Memory | Removable memory unit + SDHC card slot |
| Communication | Fiber optic to converter modules; drive-to-drive (XD2D) RS-485 |
| Mounting | DIN rail (vertical or horizontal) |
| Typical Compatibility | ABB ACS880, ACS6000, ACS5000 series |
4. Product Introduction (Anti-Template)
The ABB BCU-02 (ordering code 3AUA0000110429) is a control unit used to manage converter modules in ABB medium-voltage and high-performance drive systems via fiber-optic links. It provides the central intelligence for communication, diagnostics, and real-time data handling between the control section and the power converter modules.
The unit includes integrated branching functionality that collects and stores real-time data from the converters onto an SDHC memory card, supporting fault tracing and analysis. It features two fiber-optic ports (V1 and V2), three option slots for I/O extensions, encoders or fieldbus adapters, and a removable memory unit that retains parameter settings when the control unit is replaced. An external 24 V DC supply is required. The BCU-02 is the base model in the BCU-02/12/22 family; higher variants add more fiber-optic channels via BPEB-05 boards.

BCU-02

BCU-02

BCU-02

BCU-02
5. QC, Procurement & Logistics SOP
- Inbound Verification – Confirm full part number (BCU-02 / 3AUA0000110429), revision, presence of memory unit and SD card slot, and fiber-optic connector condition. Photograph all labels.
- Functional Testing – Apply 24 V DC, verify power and status indicators, and check basic communication readiness where test equipment is available.
- QA & Packaging – Protect fiber-optic ports, option slots and connectors; clean the unit; pack in anti-static protective packaging.
- Global Logistics & Export Compliance – Classify under the correct HS code for industrial drive control modules. Packaging must protect optical interfaces; export documentation is prepared to minimize customs delays.
6. Technical Pitfalls & Integration Warnings
Fiber Optic Handling – Use only approved fiber types and respect maximum cable lengths (plastic optical fiber ~35 m, hard-clad silica ~100 m). Dirty or damaged connectors cause communication loss.
Memory Unit Transfer – When replacing the , move the removable memory unit to the new control unit to retain parameters and avoid reconfiguration.
Power Supply – Provide a clean, stable 24 V DC source. Voltage dips or noise can cause resets or communication faults.
Option Slot Population – Install only compatible option modules. Incorrect boards can prevent the control unit from starting or communicating.
7. Frequently Asked Questions (FAQ)
What is the realistic global lead time for a verified 3AUA0000110429?
As a specialized drive control unit, availability depends on surplus stock. Typical lead time after verification is 5–15 business days plus standard shipping.
What is the function of the ?
It is the control unit that manages converter modules via fiber-optic links and handles diagnostics and data logging in ABB drive systems.
How many fiber-optic ports does the have?
Two (V1 and V2). Higher models (BCU-12 / BCU-22) support more channels.
What power supply is required?
External 24 V DC.
Can parameters be retained during replacement?
Yes. Transfer the removable memory unit from the old unit to the new one.
Is the still in production?
It remains part of the active ABB drive control unit family for ACS880 and related systems, although newer configurations may use updated variants.
What should be confirmed before ordering a replacement?
Exact ordering code (3AUA0000110429), firmware compatibility, presence of the memory unit, and the number of required fiber-optic channels for the installed system.

