DS303A3C01GXA003 GE

Technical Specifications

• Board Type: Digital DC Drive Control PCB with conformal coating.

• Processor: High-speed digital signal processor (DSP) for real-time control.

• Control Functions: Speed regulation, current regulation, field control, and torque control.

• Feedback Inputs: Encoder (TTL/RS-422), tachometer (±50V to ±200V), and analog speed reference.

• Firing Control: 6 isolated gate drive outputs for thyristor/SCR firing.

• Protection Features: Overcurrent, overvoltage, undervoltage, overtemperature, and ground fault detection.

• Communication: RS-232/RS-485 serial interface for external integration.

• Status Indicators: Multiple LEDs for power, communication, and fault status.

• Form Factor: Standard 6U height, 220mm depth, GE 19″ rack compatible.

• Temperature Range: 0°C to +60°C operational.

• Power: 5 VDC and ±15 VDC from backplane.

• MTBF: 200,000 hours.

Advantages & Key Features

• High-Performance Control: The GE Fanuc DS303A3C01GXA003 delivers precise speed and current regulation for demanding motor control applications.

• Versatile Feedback Options: Supports multiple feedback types including encoder, tachometer, and analog references.

• Integrated Protection: Comprehensive onboard protection features on the GE Fanuc DS303A3C01GXA003 ensure safe operation under fault conditions.

• Diagnostic LEDs: Provides real-time status for troubleshooting.

• Conformal Coating: Protects against dust, moisture, and chemicals.

Application Fields

• Steel & Metal Processing: Precise control for rolling mill main stands and auxiliary drives.

• Paper & Pulp: Speed and tension control for paper machine sections.

• Material Handling: Control for crane hoist and trolley drives.

• General Industrial: Any DC drive system requiring precise speed and torque control.

Comparison with Alternatives

Selection Suggestions & Precautions

1. Firmware Compatibility: Verify that the GE Fanuc DS303A3C01GXA003 is compatible with your system’s firmware version.

2. Feedback Type: Confirm your feedback sensor type matches the board’s input specifications.

3. Power Stage Matching: Ensure the gate drive outputs match your thyristor/SCR module requirements.

4. Capacitor Aging: NOS boards stored >5 years may require capacitor reforming.

5. Test Report Required: Request verification of control accuracy and protection functions.

Final Recommendation

The GE Fanuc DS303A3C01GXA003 is a high-performance digital DC drive control board for GE DC300/DC200 systems, offering precise motor control and comprehensive protection. For critical applications, maintain a tested spare of the GE Fanuc DS303A3C01GXA003 to minimize downtime. As GE has discontinued this series, sourcing through reputable aftermarket suppliers with testing capabilities is recommended.