ABB 3AUA0000110429 Control Unit

The ABB BCU-02 (Part No. 3AUA0000110429) is a central control unit designed for ABB's medium-voltage drive systems, including the ACS880 and ACS5000 series. This unit plays a critical role in managing the communication, diagnostics, and real-time data collection from converter modules via fiber optic links. The BCU-02 ensures seamless integration and efficient operation of medium-voltage drive systems, offering robust performance and precise control over industrial processes. With its reliable design and advanced functionality, it helps maintain high operational efficiency and contributes to the smooth functioning of drive systems.

Functional Highlights

• Central Control Unit: The BCU-02 serves as the core control unit in ABB’s medium-voltage drive systems, providing reliable operation and system monitoring.

• Efficient Communication: The unit uses fiber optic links to facilitate fast and secure data transfer between the control system and converter modules, ensuring real-time diagnostics and performance tracking.

• Versatile Mounting: The BCU-02 can be easily mounted on a DIN rail, either vertically or horizontally, providing flexibility in installation.

• Relay Outputs: Equipped with 3 relay outputs (RO1, RO2, RO3), the BCU-02 offers high versatility for system integration, with each output supporting a maximum current of 2 A.

• Protection Features: Includes built-in varistors to suppress voltage spikes, protecting the unit and connected systems from potential damage.

• Clear Display: The 7-segment LED display provides real-time status updates, helping operators quickly assess system performance and diagnose issues.

Technical Data

• Model: BCU-02

• Part Number: 3AUA0000110429

• Function: Converter control and communication unit

• Power Supply: 24V DC

• Current Rating: 2 A

• Relay Outputs:

• Channels: 3 (RO1, RO2, RO3)

• Output Voltage: 250V AC / 30V DC

• Max Current: 2 A per output

• Protection: Varistors for voltage spike suppression

• Display: 7-segment LED for status indication

• Mounting Method: DIN rail (vertical or horizontal)

• Operating Temperature: –10°C to +55°C

• Storage Temperature: –40°C to +70°C

• Dimensions: 200 × 150 × 50 mm

• Weight: 1.2 kg

Typical Applications

The ABB BCU-02 control unit is ideal for use in medium-voltage drive systems, especially in demanding industrial environments that require reliable and efficient control. Some typical applications include:

• Industrial Drive Systems: Used in ABB’s ACS880 and ACS5000 series to manage and control medium-voltage drive systems for motor control, automation, and energy efficiency.

• Power Plants: Essential for controlling the operations of power generation systems, ensuring seamless communication between modules and effective real-time data collection.

• HVAC Systems: Facilitates control and diagnostics for HVAC systems, contributing to optimal temperature and environmental regulation.

• Mining and Metals: Integral to controlling large-scale motors and converters in mining, smelting, and other heavy industries, ensuring efficient operation under challenging conditions.

• Water Treatment Facilities: Used in water treatment plants to manage the control of pumps and other equipment for consistent system performance.