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Product Introduction
The ABB SDCS-CON-3A, part number 3ADT220120R0003, is a control board specifically designed for use in ABB DCS 500 and DCS 600 series DC drive systems. Acting as the central communication and control hub, this board is responsible for managing signal processing, system diagnostics, and interfacing between various internal and external modules within the drive system.
Engineered for industrial automation and motor control applications, the SDCS-CON-3A board is optimized for high reliability, stable performance, and precise control. Its rugged construction and long-term service life make it a critical component in maintaining high uptime and operational efficiency in demanding environments.
Product Specifications
| Parameter | Details | 
|---|---|
| Model | SDCS-CON-3A | 
| Part Number | 3ADT220120R0003 | 
| Manufacturer | ABB | 
| Series | DCS 500 / DCS 600 | 
| Product Type | Control Board | 
| Function | Communication and control interface for DC drive systems | 
| Voltage Supply | Supplied via DCS main unit | 
| Processor | High-speed microcontroller for drive and I/O management | 
| Interface Support | Analog, Digital, Serial communication (RS-232/RS-485) | 
| Diagnostic LEDs | Yes, for status and fault indication | 
| Firmware Upgradable | Yes | 
| Compatible Drives | DCS500, DCS600 (selected models) | 
| Mounting Type | Plug-in PCB for drive chassis | 
| Operating Temperature | 0°C to 55°C | 
| Storage Temperature | -25°C to +70°C | 
| Humidity | 5% to 95% non-condensing | 
| Dimensions (H × W × D) | 250 x 200 x 20 mm | 
| Weight | 0.336 kg | 
| Certifications | CE, RoHS compliant | 
| Protection | Conformal coating for industrial resistance | 
Product Applications
The SDCS-CON-3A control board is widely used in industrial sectors where DC drive systems are prevalent. Its main applications include:
- 
Steel and Metal Processing Plants 
 Used in rolling mills and hoisting systems for precise DC motor control.
- 
Paper & Pulp Industry 
 Drives calenders, coaters, and winders with high torque requirements.
- 
Mining Operations 
 Controls conveyors, crushers, and heavy-duty DC-driven equipment.
- 
Marine and Offshore Equipment 
 For propulsion systems, winches, and cranes with DCS drive technology.
- 
Automotive Manufacturing 
 Employed in paint lines, presses, and robotic arms requiring variable DC control.
- 
Energy and Power 
 Used in wind tunnel testing setups and generator control in test rigs.
Product Advantages
- 
High Compatibility 
 Fully compatible with ABB’s DCS500 and DCS600 series, ensuring reliable integration and upgrade flexibility.
- 
Robust Communication 
 Supports analog and serial interfaces, enabling seamless interaction with PLCs, HMIs, and remote monitoring systems.
- 
Enhanced Diagnostics 
 Onboard LEDs and built-in self-diagnostics help in quick fault detection and minimal troubleshooting time.
- 
Compact Design 
 Space-saving form factor allows installation in tight control cabinets.
- 
Industrial Durability 
 Conformal coating and high-tolerance components ensure long life in harsh industrial conditions.
- 
Upgradeable Firmware 
 Supports firmware updates for extended functionality and compatibility with new features.
- 
Stabilized Performance 
 Ensures reliable operation in long production cycles without performance drift.
- 
Service-Friendly 
 Modular plug-in design makes replacement and servicing simple and efficient.
Frequently Asked Questions (FAQ)
1. What is the main purpose of the SDCS-CON-3A board?
It functions as the control and communication interface for ABB’s DCS 500/600 DC drive systems.
2. Is it compatible with the DCS800 series?
No, the SDCS-CON-3A is designed for the DCS 500 and DCS 600 series only.
3. Can the board be upgraded with new firmware?
Yes, firmware updates can be performed via a serial interface using ABB service tools.
4. Does this board come pre-configured?
No, configuration is done during commissioning through the drive’s user interface or software.
5. What happens if the board fails during operation?
The drive will signal a fault, and the system will either shut down or switch to a safe state.
6. Are diagnostic LEDs available?
Yes, the board features LEDs for visual status and fault indication.
7. Can I use this board in non-ABB drive systems?
No, it is proprietary to ABB DCS 500/600 drive systems and is not compatible with third-party drives.
8. Is it possible to replace the board without recalibrating the whole system?
In many cases, yes. If parameters are stored externally or on EEPROM, system recalibration may not be needed.
9. Does the board have protection against dust or corrosion?
Yes, it is coated with a protective layer to withstand industrial environmental conditions.
10. What kind of diagnostic features are built into the SDCS-CON-3A?
It has onboard status LEDs and supports fault logging via the drive’s monitoring system.
Related Models from the Same Series or Family
| Model | Description | Series | Function | 
|---|---|---|---|
| SDCS-CON-2A | Control Board for DCS500 | DCS 500 | Legacy Control Interface | 
| SDCS-PIN-51 | Pulse Interface Module | DCS 500/600 | Feedback Signal Processing | 
| SDCS-POW-1 | Power Supply Board | DCS 500/600 | Power Regulation | 
| SDCS-PIN-41 | Pulse Encoder Interface Board | DCS 500 | Encoder Signal Processing | 
| SDCS-COM-81 | Serial Communication Board | DCS Series | RS-232/485 Communications | 
| SDCS-FEX-1 | Field Excitation Board | DCS 500/600 | Exciter Control | 
Popular ABB Automation and Drive Modules
| Model | Description | Application | Product Type | 
|---|---|---|---|
| PM866K01 | CPU Module for AC800M Controller | PLC/Process Automation | Processor Module | 
| CI854AK01 | PROFIBUS DP Communication Interface | Industrial Networking | Communication Module | 
| TU810V1 | Terminal Unit for S800 I/O | I/O Integration | Base Terminal Unit | 
| ACS880-01-145A-5 | Single Drive Module | Motor Control | Variable Frequency Drive | 
| DSQC679 | Robot Axis Control Board | ABB Robotics (IRC5) | Motion Control Board | 
| REF615C | Feeder Protection Relay | Power Distribution | Protection Relay | 
 Excellent PLC
Excellent PLC

 
 
  		
		 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
