Name: SDCS-POW-4 ABB Communication module
Brand: ABB
SKU: 6692
Availability: InStock

Description

SDCS-POW-4 ABB Communication module

Product Dimensions：

Product Description

The ABB SDCS-POW-4 is a dedicated power supply board used within ABB’s high-performance industrial DC drive converters.

Type: Control Power Supply Unit (PSU) / Power Module for Control Electronics.
Function: Its primary function is to provide the necessary stable, regulated DC voltages (e.g., $+5\,\text{V}$ , $\pm 15\,\text{V}$ ) to power the drive’s control electronics (microprocessor boards, communication modules, I/O cards). It typically converts the main auxiliary AC or DC control voltage input into these required low-voltage DC rails.
Role: The SDCS-POW-4 ensures the control system operates with clean, reliable power, isolating the sensitive electronics from fluctuations or noise on the primary control supply.
Design: It is a robust electronic board designed to fit securely within the drive chassis, often featuring internal fuses and protection circuits.

The specifications relate to the power input and the regulated outputs it provides.

Feature	Specification
Model	SDCS-POW-4
Product Family	ABB DC Drives (e.g., DCS800 series)
Input Voltage (Control Supply)	Highly variable, often $115/230\,\text{V AC}$ or a specific DC bus voltage. (Must be specified per drive model).
Output Voltages	Regulated DC voltages required by control boards (e.g., $+5\,\text{V}$ , $\pm 15\,\text{V}$ )
Output Capacity	Sufficient current capacity to power the control unit, I/O, and communication modules.
Protection	Short-circuit and overcurrent protection on outputs, input fuse protection.
Connectors	Dedicated connectors for power input and regulated power output to other boards.
Diagnostics	May include LEDs for indicating the status of the output voltage rails.

Clean and Stable Power: Delivers highly stable and low-noise DC power, which is essential for the accuracy and reliability of the drive’s digital control circuitry and communication links.
High Reliability: Designed for continuous industrial duty, ensuring the drive’s control system remains operational even under fluctuating input control power conditions.
Integrated Protection: Includes built-in fuses and transient suppression to protect the downstream control electronics from power surges and short circuits on the control voltage lines.
Modularity: As a separate, identifiable unit, the SDCS-POW-4 simplifies maintenance and troubleshooting. If the drive has a control power fault, this board is a primary point of inspection or replacement.
System Compatibility: Ensures perfect electrical and mechanical compatibility with all other high-performance SDCS- series control boards in the ABB drive system.

ESD Protection: As with all electronic boards, always observe strict Electrostatic Discharge (ESD) precautions when handling or replacing the SDCS-POW-4.
Input Voltage: Ensure the supplied control voltage to the drive is correctly connected to the designated input terminals on the SDCS-POW-4. Incorrect voltage input will lead to immediate failure.
Power Cycling: If diagnosing a power fault, always wait for the input capacitors on the SDCS-POW-4 to fully discharge before probing or touching the board.
Fuse Inspection: Before concluding that the board is faulty, check any accessible fuses on the board. A blown fuse might indicate a short circuit elsewhere in the control system.
Replacement: The replacement SDCS-POW-4 must be an authentic ABB spare part to guarantee correct voltage regulation and mechanical fit within the drive chassis.

The SDCS-POW-4 is a critical internal component in any ABB DC drive system requiring advanced digital control capabilities.

Control System Power: Provides the fundamental power source for the main control unit (SDCS-CON-x) and all connected communication and I/O expansion boards.
High-Demand Industrial Processes: Used wherever the drive needs to maintain uninterrupted and precise control, such as in metal processing, paper mills, and cranes.
Fault Detection: Essential for the drive’s internal protection, as reliable control power is necessary for the main control unit to execute safety functions and log faults correctly.
Fan Power (Often): Depending on the drive model, the control power unit may also supply the regulated DC power needed for the drive’s cooling fans.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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