DS3800DMEB1B1B GE

Technical Specifications

• Board Type: Digital Motor Excitation and Amplifier PCB with conformal coating.

• Excitation Control: Field current regulation and excitation control.

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

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

• Signal Amplification: Enhanced amplification for control signals.

• Signal Conditioning: Buffering, amplification, and isolation for all signals.

• Protection: Overvoltage, overcurrent, short-circuit, and thermal protection.

• 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, excitation status, communication, 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 Excitation Control: The GE Fanuc DS3800DMEB1B1B comes with specific factory configuration optimized for particular applications.

• Enhanced Motor Excitation Control: Provides precise motor excitation with advanced features.

• Enhanced Signal Amplification: Ensures proper signal levels for robust communication.

• Signal Conditioning: Buffering, amplification, and isolation for all signals.

• Comprehensive Protection: Overvoltage, overcurrent, short-circuit, and thermal protection.

• 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 excitation for rolling mill DC motors with specific configuration needs.

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

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

• General Industrial: Any GE DC300/DC200 drive requiring specific motor excitation configuration.

Comparison with Alternatives

Key Differentiator: The GE Fanuc DS3800DMEB1B1B offers specific factory configuration optimized for particular motor excitation applications.

Selection Suggestions & Precautions

1. Configuration Verification: Verify that the specific configuration of the GE Fanuc DS3800DMEB1B1B matches your application requirements.

2. Excitation Requirements: Confirm your motor excitation requirements match the board’s specifications.

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

4. Serial Communication: Configure communication settings for external integration.

5. Calibration: Verify scaling and calibration for accurate excitation control.

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

7. Test Report Required: Request verification of excitation, protection, and communication functionality.

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

Final Recommendation

The GE Fanuc DS3800DMEB1B1B is a factory-configured enhanced digital motor excitation and amplifier board for GE DC300/DC200 drive systems, offering specific settings for particular applications. It is ideal for applications requiring predefined motor excitation configurations with enhanced features. 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.