GE DS3800DMPC

Technical Specifications

• Board Type: Digital Motor Protection and Control PCB with conformal coating.

• Protection Functions: Overcurrent, overvoltage, undervoltage, overtemperature, and ground fault protection.

• Monitoring Inputs: 4 analog inputs for motor current, voltage, temperature, and speed feedback.

• Control Outputs: 4 digital outputs for trip, alarm, and control signals.

• Digital Inputs: 8 optically isolated inputs (24 VDC) for control and status signals.

• Digital Outputs: 8 relay or solid-state outputs for status and alarm indication.

• Protection: Comprehensive motor protection features.

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

• Communication: Backplane interface to regulator board via 96-pin DIN connector.

• Status Indicators: 12 LEDs for power, protection status, and fault conditions.

• Form Factor: Standard 6U height, 160mm depth, GE 19″ rack compatible.

• Temperature Range: -10°C to +65°C operational.

• Isolation: 1500V RMS between field and logic circuits.

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

• MTBF: 190,000 hours.

Advantages & Key Features

• Comprehensive Motor Protection: The GE Fanuc DS3800DMPC provides overcurrent, overvoltage, undervoltage, overtemperature, and ground fault protection.

• Motor Control Functions: Provides control outputs for safe motor operation.

• Monitoring Capability: Monitors motor parameters for real-time status.

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

• Diagnostic LEDs: 12-LED indicator matrix provides comprehensive real-time status.

• Extended Temperature Range: -10°C to +65°C for demanding environments.

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

Application Fields

• Steel & Metal Processing: Motor protection for rolling mill DC motors.

• Paper & Pulp: Motor protection for paper machine DC drives.

• Material Handling: Motor protection for crane and conveyor DC motors.

• General Industrial: Any GE DC300/DC200 drive requiring motor protection.

Comparison with Alternatives

Key Differentiator: The GE Fanuc DS3800DMPC integrates comprehensive motor protection and control specifically for GE DC300/DC200 drives.

Selection Suggestions & Precautions

1. Protection Requirements: Verify your motor protection requirements match the board’s specifications.

2. Wiring: Use appropriate wiring for all connections.

3. Calibration: Verify scaling and calibration for accurate monitoring.

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

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

6. Spare Strategy: For critical applications, maintain a tested spare.

Final Recommendation

The GE Fanuc DS3800DMPC is a reliable digital motor protection and control board for GE DC300/DC200 drive systems, providing comprehensive protection and control for DC motors. Prioritize suppliers with comprehensive testing capabilities. For critical applications, maintain a tested spare to minimize downtime. As GE has discontinued this series, sourcing through reputable aftermarket suppliers with refurbishment and testing capabilities is recommended.