BCU-12 3AUA0000110430 ABB BCU Series Drive Control Module
Manufacturer: ABB
Product No.: BCU-12
Condition: In stock
Product Type: Drive Control Module
Product Origin: SE
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
Guaranteed Safe Checkout
3AUA0000110430 ABB BCU-12 Control Unit Architecture
The 3AUA0000110430 is the factory designation for the ABB BCU-12 control unit, serving as the primary digital processing and communication core for industrial drive systems. Equipped with 7 fiber optic connections, redundant 24 VDC power inputs, Safe Torque Off (STO) channels, and comprehensive analog/digital I/O, this modular controller manages high-speed inverter switching and precise motor control.
Technical Specifications & I/O Configuration Matrix
| Subsystem / Interface | Terminal Designation | Electrical Specification & Parameters |
|---|---|---|
| External Power Input | XPOW (Pitch 5 mm, 2.5 mm²) | 24 V DC (±10%), 2 A; supports dual redundant power supplies. |
| Relay Outputs | XRO1 … XRO3 | 250 V AC / 30 V DC, 2 A; varistor protected. |
| Auxiliary Output | XD24 (Pins 2 & 4) | Max 4.8 W total load (200 mA / 24 V) minus DIO1/DIO2 power draw. |
| Digital Inputs | XDI:1 … XDI:6 | 24V logic ("0" < 5V, "1" > 15V); Rin: 2.0 kohm; DI6 supports PTC thermistor. |
| Start Interlock | XDI:7 (DIIL) | 24V NPN/PNP input; hardware filtering 0.04 ms, digital filtering up to 8 ms. |
| Digital I/O | XDIO:1 … XDIO:4 | Configurable as 0–16 kHz frequency input (DIO1) or 24V square-wave output (DIO2). |
| Analog Reference | XAI:1 and XAI:2 | +10 V and -10 V (±1%); Rload 1–10 kohm; max 10 mA output current. |
| Analog Inputs | XAI:4 … XAI:7 | ±20 mA (Rin 100 Ω) or ±10 V (Rin > 200 kohm); 11-bit + sign resolution; 1% accuracy. |
| Analog Outputs | XAO1 and XAO2 | 0–20 mA (Rload < 500 Ω); frequency range 0–500 Hz; 11-bit + sign resolution. |
| Communication Links | XD2D & X485 | RS-485 physical layer for drive-to-drive interlocking and serial fieldbus networking. |
| Safety & Memory | XSTO, XETH, SD CARD | Safe Torque Off channels (-3 to 30 V DC); RJ-45 Ethernet; SDHC memory card slot (max 4 GB). |
Upgrade & Replacement Compatibility
- Direct Interoperability: The BCU-12 control unit can be directly replaced with either a BCU-12 or BCU-22 module depending on firmware requirements and fiber optic port density.
- Fiber Optic Allocation: Features exactly 7 optical channels dedicated to communicating directly with IGBT gate driver interface boards across inverter power modules.
Warranty Coverage & Global Express Shipping
- 12-Month Comprehensive Warranty: Every 3AUA0000110430 control board is backed by a 12-month warranty covering processor stability, optical transceiver integrity, and power regulation circuits.
- Expedited Air Courier Dispatch: Packaged in anti-static conductive foam and shipped globally via FedEx, UPS, or DHL to eliminate extended industrial downtime.
Advanced Engineering FAQ & Selection Guidance
-
Q: Can digital input DI6 be utilized simultaneously for standard digital interlocking and motor thermistor monitoring?
A: No, DI6 can be toggled via software to function either as a standard 24V digital input or as a dedicated PTC thermistor measuring circuit, but not both concurrently.
-
Q: What precautions are necessary when wiring dual redundant 24V power supplies to the XPOW terminal?
A: Ensure both external 24 VDC (±10%) sources share a common ground reference and are individually rated for at least 2 A to prevent power droop during control board boot cycles.
-
Q: How does configuring DIO1 as a frequency input affect connected encoder or pulse train signals?
A: DIO1 accepts 24V square-wave pulses up to 16 kHz with 4-microsecond hardware filtering; sinusoidal or non-square waveforms will result in erratic counting errors.
-
Q: What memory card format and maximum capacity are supported by the onboard SD CARD slot?
A: The slot accepts standard SDHC memory cards up to 4 GB formatted for parameter backup, firmware storage, and data logging purposes.
-
Q: When should a maintenance engineer upgrade from a BCU-12 to a BCU-22 control unit?
A: Upgrade to a BCU-22 when your drive topology requires additional fiber optic communication channels or expanded auxiliary control loops that exceed the 7-port limit of the BCU-12.

Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.



