DS3800DERB1B1A GE

Technical Specifications

• Board Type: Digital Encoder and Resolver PCB with conformal coating.

• Encoder Inputs: 2 channels for incremental encoders (RS-422 differential or TTL single-ended) up to 500 kHz.

• Resolver Inputs: 1 channel for resolver signals with onboard RDC (Resolver-to-Digital Converter).

• Resolver Accuracy: Up to 12-bit resolution.

• Position Processing: 32-bit position tracking.

• Speed Processing: Real-time velocity calculation.

• Encoder Outputs: Buffered encoder signal distribution for external devices.

• 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.

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

• Configuration: Specific factory configuration (indicated by suffix 1B1A).

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

• Status Indicators: 12 LEDs for power, encoder/resolver status, position tracking, 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 from backplane.

• MTBF: 195,000 hours.

Advantages & Key Features

• Factory-Configured Feedback Processing: The GE Fanuc DS3800DERB1B1A comes with specific factory configuration optimized for particular applications.

• Dual Feedback Support: Supports both encoder and resolver feedback, providing flexibility for various applications.

• Resolver-to-Digital Conversion: Onboard RDC enables direct resolver input for precision applications.

• 32-bit Position Tracking: High-resolution position tracking for precise positioning.

• Real-time Velocity Calculation: Onboard speed processing provides accurate speed feedback.

• Integrated Digital I/O: Control and status signals for comprehensive system integration.

• 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: Versatile feedback for rolling mill drives with specific configuration needs.

• Paper & Pulp: Speed and position feedback for paper machine sections.

• Material Handling: Position feedback for crane and conveyor systems.

• General Industrial: Any GE DC300/DC200 drive requiring specific encoder or resolver configuration.

Comparison with Alternatives

Key Differentiator: The GE Fanuc DS3800DERB1B1A offers specific factory configuration optimized for particular feedback applications.

Selection Suggestions & Precautions

1. Configuration Verification: Verify that the specific configuration of the GE Fanuc DS3800DERB1B1A matches your application requirements.

2. Feedback Type: Confirm your feedback device type (encoder or resolver) matches the board’s specifications.

3. Resolver Wiring: Use shielded cables for resolver connections.

4. Encoder Type: Confirm encoder is RS-422 differential or TTL single-ended.

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

6. Test Report Required: Request verification of encoder and resolver input functionality.

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

Final Recommendation

The GE Fanuc DS3800DERB1B1A is a factory-configured digital encoder and resolver board for GE DC300/DC200 drive systems, offering specific settings for particular applications. It is ideal for applications requiring predefined feedback 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.