ABB BCU-12 3AUA0000110430 Control Unit Module

Overview

The ABB BCU-12 is a control unit module designed for ABB drive systems, acting as an advanced logic/control interface for inverter cabinets, offering diagnostics, communication, and I/O integration.

General Information

• Part Number: 3AUA0000110430

• Manufacturer: ABB

• Series: BCU Control Units

• Type: Control / Logic / Communication Module

• Mounting: Cabinet or chassis mounting within inverter enclosures

• Technology: Microprocessor-based module with configurable I/O and network interfaces

Power Specifications

• Power Supply: 24 V DC

• Power Consumption: ~5 W (when idle)

• Input: Logic and control signals from drive backplane

• Outputs: Auxiliary +24 V DC supply for I/O

• Protection: Surge protection, reverse-polarity protection, overcurrent protection

• Indicators: LEDs for status, fault, power, communication

Communication & Interface

• Ethernet / Fieldbus Ports: Supports network interfaces (e.g., Modbus, Profibus, etc.)

• Microprocessor: On-board CPU for control, diagnostics, and protocol handling

• LAN / Network Management: Handles network configuration and diagnostics

• Operator Interface: Status LEDs and local interface for diagnostics

• Reset Features: Software and hardware reset support

I/O & Channels

• Digital Inputs / Outputs: 16 digital inputs, 16 digital outputs

• Analog I/O: Support for analog channels for process signals (4–20 mA)

• Relay Outputs: Included for auxiliary control tasks

• External Load Support: Depends on I/O module ratings

Environmental

• Operating Temperature: –40 to +70 °C

• Storage Temperature: –40 to +85 °C

• Humidity: 5% to 95% RH, non-condensing

• Ingress / Protection: Designed for industrial environments (IP20 or equivalent)

Dimensions

• Size (L × W × H): 314 × 139 × 115 mm

• Weight: 0.6 kg