ABB BCU-02 Control Unit | Drive Power Supply

Product Overview

The BCU-02 control unit from ABB Industrial Drives delivers reliable performance for automation systems. This versatile unit supports external power input and redundant power supply connections. It ensures stable operation in demanding industrial environments with its robust design.

Key Technical Specifications

• Brand: ABB Industrial Drives – Trusted in global automation solutions
• Model: BCU-02 control unit for drive management and integration
• Power Supply: 24 V DC (±10%), 2 A external input with redundancy support
• Relay Outputs: 3 outputs (RO1–RO3) rated 250 V AC / 30 V DC, 2 A, varistor-protected
• Digital Inputs: 6 inputs (DI1–DI6) with 24 V logic, 2.0 kΩ resistance (DI1–DI5)
• Start Interlock: DIIL input (XDI:7) with NPN/PNP compatibility and hardware filtering
• +24 V Output: Dedicated output pins (XD24:5, XD24:7) for peripheral device power
• Input Filtering: 0.04 ms hardware filtering, configurable digital filtering up to 8 ms

Installation & Integration

• Connect two power supplies to the BCU-02 for redundancy and uninterrupted operation
• Use relay outputs RO1–RO3 for AC/DC load switching, considering total load capacity limits
• Wire digital inputs DI1–DI6 for NPN/PNP sensors, noting DI6 is PNP-specific with 5 mA current
• Utilize the start interlock input (DIIL) for safe motor start-up and operational sequencing
• Ensure proper grounding and use shielded cables to maximize noise immunity in industrial settings

Packaging & Shipping

• Unit shipped securely with protective packaging to prevent transit damage
• International shipping available via FedEx, UPS, or DHL with tracking
• No minimum order quantity—purchase single units or bulk as needed

Frequently Asked Questions (FAQ)

• What is the ABB BCU-02 used for? It controls ABB industrial drives, handling power, I/O, and start interlock functions
• Can I connect redundant power supplies? Yes, the unit supports dual power inputs for backup safety
• What types of sensors work with the digital inputs? DI1–DI5 support NPN/PNP, DI6 is PNP-only
• How are relay outputs protected? Varistors guard against voltage spikes and surges
• What is the total load capacity for relay outputs? 4.8 W (200 mA at 24 V), minus DIO1 and DIO2 power draw