The BCU-12 (3AUA0000110430) is an ABB Control Unit designed for industrial automation and motor control applications. It serves as the central processing unit for ABB's ACS880 and ACS800 series drives, providing advanced control algorithms, system monitoring, and communication capabilities. This ruggedized unit features multi-protocol connectivity (PROFIBUS, Modbus, Ethernet/IP) and supports ABB's Drive Composer software for parameterization and diagnostics.

Engineered for harsh environments, the BCU-12 operates in temperatures from -15°C to +55°C with 95% non-condensing humidity tolerance. Its modular design allows for field upgrades and includes built-in self-diagnostics, real-time clock, and data logging functions. The unit provides precise control for applications ranging from pumps/fans to complex multi-drive systems in industries like mining, oil & gas, and manufacturing.

FAQ (Frequently Asked Questions)
Q1: What drive families is the BCU-12 compatible with?
A: Primarily designed for ACS880 and ACS800 series drives. Verify compatibility with your specific drive model using ABB's DriveSize tool.

Q2: What communication protocols are supported?
A: Includes:
Fieldbus: PROFIBUS DP, Modbus RTU/TCP
Industrial Ethernet: Ethernet/IP, PROFINET (optional)
ABB-specific: DriveBus

Q3: How do I backup parameters before replacement?
A: Use Drive Composer (PC tool) or local control panel to save parameters to a file or memory stick.

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