GE DS3800DCMC

Technical Specifications

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

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

• Digital Inputs: 16 optically isolated inputs (24 VDC) with noise filtering.

• Digital Outputs: 16 relay or solid-state outputs for status and alarm indication.

• Processing: High-speed digital processing with enhanced memory.

• 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: 12 LEDs for power, control 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

• Expanded Digital I/O: The GE Fanuc DS3800DCMC provides 16 digital inputs and 16 digital outputs, offering greater control capability.

• Enhanced Processing: Improved processing power and memory on the GE Fanuc DS3800DCMC enable more complex control algorithms.

• Centralized Digital Control: Provides comprehensive digital control for DC drive systems.

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

• 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: 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 enhanced digital control.

Comparison with Alternatives

Key Differentiator: The GE Fanuc DS3800DCMC offers expanded digital I/O and enhanced processing power, making it suitable for more demanding control applications.

Selection Suggestions & Precautions

1. Control Requirements: The GE Fanuc DS3800DCMC is recommended for applications requiring enhanced I/O capability.

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 DS3800DCMC is an enhanced digital control module board for GE DC300/DC200 drive systems, offering expanded I/O and processing capability. It is the preferred choice for demanding control applications requiring greater I/O capacity and performance. 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.