ABB RDCU-02C DCU Mainboard

Description

ABB RDCU-02C DCU Mainboard

The ABB RDCU-02C is a high-performance Drive Control Unit used primarily as the “brain” for ABB’s industrial AC drives, specifically within the ACS800 series. It manages the processing of control signals, motor control logic, and communication between the drive and external systems.

1. Product Description

The RDCU-02C is a programmable control unit that contains the microprocessor, memory, and application program for the motor drive. It serves as the central hub where all inputs (I/O) are processed and converted into firing pulses for the power semiconductor stage (the inverter).

2. Technical Specifications

The unit is designed for modularity and high-speed processing.

3. Product Advantages

• High Reliability: Built to withstand industrial environments with robust circuit protection.

• DTC (Direct Torque Control): Supports ABB’s signature DTC technology, providing exceptional motor control performance without the need for encoders in many cases.

• Versatile Connectivity: Through various plug-in modules, it can communicate with almost any industrial automation protocol (Modbus, Profinet, DeviceNet, etc.).

• Custom Programmability: It can be loaded with standard firmware or customized application programs for specific industry needs (e.g., cranes, winders, or centrifuges).

4. Key Precautions (Important)

• Electrostatic Discharge (ESD): The RDCU-02C is highly sensitive to static. Always use an ESD wrist strap when handling the board to avoid permanent damage.

• Firmware Compatibility: Ensure the firmware version loaded on the RDCU-02C matches the specific power hardware of your ACS800 drive.

• Fiber Optic Care: The DDCS communication uses fiber optic cables. Do not bend these cables sharply (minimum bend radius applies), as it can cause signal loss or physical breakage.

• Power Down: Never plug or unplug the RDCU-02C while the 24V DC supply or the main drive power is active.

5. Applications

The RDCU-02C is found in heavy-duty industrial sectors where precision and power are required:

• Metals & Mining: Used in rolling mills and heavy conveyors.

• Oil & Gas: Controlling large pumps and compressors.

• Pulp & Paper: Coordinating sectional drives for paper machines.

• Marine: Thruster control and winches on large vessels.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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