The ABB SDCS-CON-2A (Part Number 3BHE004059R0001) is the primary control and processing unit for the DCS 500 and DCS 600 series of high-power DC drives. This board acts as the “brain” of the drive system, responsible for executing speed and torque control loops, managing armature and field current regulators, and handling all system-wide logic and diagnostic functions. The SDCS-CON-2A is designed to provide high-performance motor control in heavy-duty industrial applications where precise speed regulation and high torque at zero speed are required.
Product Specifications
For more information and availability, please visit the product page: SDCS-CON-2A
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Manufacturer: ABB
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Model Number: SDCS-CON-2A
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Part Number: 3BHE004059R0001
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Device Type: Main Control Board / CPU Board
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Compatibility: DCS 500 and DCS 600 DC Drive Systems
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Processor: High-speed digital signal processor (DSP)
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Onboard I/O: Integrated digital inputs/outputs and analog interface points
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Communication: Support for Fieldbus adapters (Profibus, CANopen, etc.) and fiber optic links
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Operating Voltage: +5V, ±15V, +24V (Supplied via the power interface board)
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Dimensions: 250 mm x 210 mm x 25 mm (Approximate)
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Weight: 0.65 kg (1.43 lbs)
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Country of Origin: Germany / Sweden
Application Fields
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Steel and Metal Mills: Controlling main drives for rolling mills, coilers, and tension leveling lines.
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Mining: Management of high-power hoist motors, conveyors, and excavators.
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Pulp and Paper: Coordinating sectional drives for paper machines and winders.
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Cement Industry: Driving kilns, crushers, and large-scale separators.
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Marine & Offshore: Control for DC-based propulsion systems and heavy-lift cranes.
Product Instructions
The SDCS-CON-2A module is a sensitive electronic component and must be handled with full ESD (Electrostatic Discharge) protection. Before replacing the board, ensure the DC drive is completely de-energized and locked out. The board is typically mounted on the drive’s swinging frame or a dedicated control rack. Carefully disconnect the ribbon cables and fiber optic connectors from the board, noting their exact positions. Once the new board is installed, the drive’s parameters must be reloaded from a backup or reconfigured using the ABB DriveWindow software. It is critical to ensure the firmware revision on the new board is compatible with the power section and other interface boards in the system.
Q&A: Common Questions
Does the SDCS-CON-2A come with pre-loaded firmware? While many units come with standard factory firmware, the specific application software (e.g., Crane, Winder, or Standard Drive) usually needs to be downloaded or configured for your specific machine’s requirements.
Can I upgrade an SDCS-CON-1 board to an SDCS-CON-2A? The SDCS-CON-2A is an advanced version with higher processing power and memory. While physically similar, a direct swap may require updates to the drive’s backplane or interface modules. Always consult the DCS 500/600 technical manual for upgrade paths.
What does a ‘CPU FAULT’ LED on the board indicate? A CPU FAULT can indicate a failed self-test, an internal memory error, or a firmware corruption. If the fault persists after a power cycle, it generally suggests a hardware failure within the processor or its supporting circuitry.
How do I backup the parameters before replacing this board? If the board is still partially functional, use an ABB operator panel (CDP312) or the DriveWindow PC tool to upload and save the parameter set (.par file) before removing the hardware.
Related Model Recommendations
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ABB SDCS-CON-1 (Early DCS series control board)
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ABB SDCS-PIN-51 (Power Interface Board)
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ABB SDCS-IOB-2 (Digital I/O Board)
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