ABB SDCS-CON-2B | 3ADT309600R0012 | DC Drive Control Board

Overview

The SDCS-CON-2B (Part Number 3ADT309600R0012) is the primary processing and control hub for ABB DCS series thyristor power converters, specifically the DCS 500 and DCS 600 systems. This sophisticated control board manages the regulation of armature and field current, execution of drive software, and coordination of system-level communication. It is designed to ensure precise motor performance in heavy-duty industrial environments, such as steel mills, paper production, and large-scale mining operations.

Technical Specifications

• Brand: ABB
• Model: SDCS-CON-2B
• Part Number: 3ADT309600R0012
• Drive Compatibility: DCS 500, DCS 500B, DCS 600 MultiDrive
• Input Voltage: 24 V DC (±10%)
• Power Consumption: Approximately 5 W
• Communication Interfaces: * Dual RS-232 and RS-485 serial ports
  • DDCS (Distributed Drives Communication System) support via fiber optic links
• Operating Temperature: -20 °C to +70 °C (-4 °F to +158 °F)
• Humidity: 5% to 95% non-condensing
• Dimensions: 248 mm x 241 mm x 25 mm (9.8″ x 9.5″ x 1.0″)
• Net Weight: 0.41 kg (0.9 lbs)
• Manufacturing Origin: Switzerland / Thailand (Location dependent)

Hardware & Software Configuration

The 3ADT309600R0012 is typically supplied as a “blank” hardware component (without software). For the unit to function within a drive system, the specific application firmware must be loaded. This board interfaces directly with the SDCS-PIN-52 power interface board and various I/O expansion modules. It features advanced diagnostic LEDs on the front panel to monitor power status, CPU activity, and bus communication errors.

Upgrade Path

In modern system retrofits, the SDCS-CON-2B is often replaced by the SDCS-CON-4 when upgrading from the DCS 500/600 series to the current DCS 800 series. While the connectors are largely consistent, users should note that the control voltage requirements may differ (48 V DC in legacy systems vs. 24 V DC in newer units).

FAQ

Q: Can this board be used interchangeably with the SDCS-CON-2A?A: The SDCS-CON-2B (3ADT309600R0012) is an updated revision of the SDCS-CON-2A. While they share similar footprints, the “B” revision features improved thermal stability and updated communication protocols.

Q: Does this board arrive ready to install and run?A: No, as a spare part, the 3ADT309600R0012 is provided “Without Software.” The drive parameters and firmware from the original unit must be backed up and transferred to the new board using DriveWindow or similar ABB commissioning tools.