GE DS3800DFXD1B1B

Technical Specifications

• Board Type: Digital Field Excitation and Driver PCB with conformal coating.

• Field Control: Field current regulation and excitation control.

• Field Output: 1 analog output for field current reference (0-10V or 4-20mA).

• Field Driver: Integrated driver for field power stage.

• Field Feedback: 2 analog inputs for field current and voltage feedback.

• 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.

• Control Functions: Field weakening, field current limit, and field loss detection.

• Protection: Field overcurrent, overvoltage, and field loss detection.

• Configuration: Specific factory configuration (indicated by suffix 1B1B).

• 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, field status, communication activity, 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: 195,000 hours.

Advantages & Key Features

• Factory-Configured Field Excitation: The GE Fanuc DS3800DFXD1B1B comes with specific factory configuration optimized for particular applications.

• Integrated Field Driver: Includes an integrated driver for field power stage control.

• Precise Field Excitation: Provides accurate field excitation for optimal motor performance.

• Field Weakening Control: Enables extended speed range operation.

• Field Loss Protection: Detects field loss conditions for safe operation.

• Integrated Protection: Field overcurrent and overvoltage detection ensure safe operation.

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

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

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

Application Fields

• Steel & Metal Processing: Field excitation for rolling mill DC motors with specific configuration needs.

• Paper & Pulp: Field excitation for paper machine DC drives.

• Material Handling: Field excitation for crane and conveyor DC motors.

• General Industrial: Any GE DC300/DC200 drive requiring specific field excitation with driver configuration.

Comparison with Alternatives

Key Differentiator: The GE Fanuc DS3800DFXD1B1B offers specific factory configuration optimized for particular field excitation and driver applications.

Selection Suggestions & Precautions

1. Configuration Verification: Verify that the specific configuration of the GE Fanuc DS3800DFXD1B1B matches your application requirements.

2. Field Excitation Requirements: Confirm your field excitation and driver requirements match the board’s specifications.

3. Field Wiring: Use appropriate wiring for field connections.

4. Calibration: Verify scaling and calibration for accurate field control.

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

6. Test Report Required: Request verification of field excitation and driver functionality.

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

Final Recommendation

The GE Fanuc DS3800DFXD1B1B is a factory-configured digital field excitation and driver board for GE DC300/DC200 drive systems, offering specific settings for particular applications. It is ideal for applications requiring predefined field excitation with integrated driver configurations. 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.