DS3800DCMB GE

Technical Specifications

• Board Type: Digital Control Module PCB with conformal coating.

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

• Digital Inputs: 8 optically isolated inputs (24 VDC) with noise filtering.

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

• Processing: High-speed digital processing for real-time control.

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

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

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

• Status Indicators: 10 LEDs for power, control status, communication activity, and fault conditions.

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

• Temperature Range: 0°C to +60°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

• Centralized Digital Control: The GE Fanuc DS3800DCMB provides comprehensive digital control for DC drive systems.

• Real-Time Processing: High-speed processing on the GE Fanuc DS3800DCMB enables responsive control performance.

• Integrated Protection: Overcurrent, overvoltage, undervoltage, and overtemperature protection ensure safe operation.

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

• Diagnostic LEDs: 10-LED indicator matrix provides comprehensive real-time status.

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

Application Fields

• Steel & Metal Processing: Digital control for rolling mill drive systems.

• Paper & Pulp: Control for paper machine drive sections.

• Material Handling: Control for crane and conveyor systems.

• General Industrial: Any GE DC300/DC200 drive requiring digital control.

Comparison with Alternatives

Key Differentiator: The GE Fanuc DS3800DCMB integrates digital control specifically for GE DC300/DC200 drives.

Selection Suggestions & Precautions

1. Control Requirements: Verify your control requirements match the board’s specifications.

2. Firmware Compatibility: Confirm firmware version compatibility with your system.

3. Wiring: Use appropriate wiring for all connections.

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

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

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

Final Recommendation

The GE Fanuc DS3800DCMB is a reliable digital control module board for GE DC300/DC200 drive systems, providing comprehensive digital control capability. 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.