GE DS3800DFCA Firing Circuit Auxiliary Card(XIONGBA)

GE DS3800DFCA Firing Circuit Auxiliary Card(XIONGBA)

Product Information

 

  • Brand Model: GE DS3800DFCA
  • Product Name: Speedtronic Mark IV Firing Circuit Auxiliary Card
  • Warranty: 1 year (new); up to 3 years (refurbished)
  • Size: 13.0 x 6.7 x 1.0 inches (33.0 x 17.0 x 2.5 cm)
  • Weight: 2.0 kg
  • Origin: United States
  • Inventory: In stock
  • Delivery Time: 3–7 days (new); 1–2 days
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Description

GE DS3800DFCA Speedtronic Mark IV Firing Circuit Auxiliary Card

Product Overview

The GE DS3800DFCA is a firing circuit auxiliary card designed for GE’s Speedtronic Mark IV gas turbine control system. Serving as a critical component in the Mark IV platform, this board supports precise ignition timing and power management in industrial power generation, oil & gas, and marine propulsion applications. Unlike primary regulator boards (e.g., DS3800DGRC1C1D), the DS3800DFCA focuses on auxiliary functions, such as signal conditioning for ignition systems and interface with turbine control logic. Its modular design and rugged construction make it suitable for harsh environments, while diagnostic features enhance system reliability and reduce downtime.

 

Featuring a green conformal coating and 17 single-pin connectors for signal transmission 217, the DS3800DFCA includes three potentiometers for current adjustment and seven jumpers for configurable functionality. These jumpers enable operators to adapt the board to specific turbine models, optimizing performance for unique operational requirements. The board’s compact form factor (13.0 x 6.7 x 1.0 inches, 2.0 kg) allows seamless integration into existing Mark IV racks, with retention latches ensuring secure signal transmission .

Technical Specifications

Parameter Name Parameter Value
Product Model GE DS3800DFCA
Manufacturer General Electric (GE)
Product Type Firing Circuit Auxiliary Card (Gas Turbine Control)
Input Power 24V DC ±10% (inferred from Mark IV system standards)
Weight 2.0 kg
Physical Dimensions 13.0 x 6.7 x 1.0 inches (33.0 x 17.0 x 2.5 cm)
Connector Type 17 single-pin connectors with retention latches
Operating Temperature -20°C to +60°C (inferred from similar Mark IV components)
Storage Temperature -40°C to +85°C (inferred from Mark IV system standards)
Vibration Resistance 5 g (10–2000 Hz) (inferred from similar models)
Shock Resistance 50 g (11 ms duration) (inferred from similar models)
Compliance UL 508, CE, ISO 9001 (inferred from Mark IV system standards)
Adjustment Features 3 potentiometers, 7 jumpers

Key Features and Advantages

Precision Ignition Control: The DS3800DFCA processes analog and digital signals from turbine sensors to ensure accurate ignition timing, critical for maintaining stable combustion in gas turbines. Its potentiometers allow field technicians to fine-tune current values for optimal performance 217.

 

Rugged Durability: Built with a corrosion-resistant aluminum alloy casing and conformal coating, the DS3800DFCA resists dust, moisture, and extreme temperatures, making it ideal for offshore platforms and high-vibration industrial environments .

 

Diagnostic Capabilities: The board includes built-in self-test (BIST) features that monitor component health in real-time, providing fault codes via its digital interface for quick troubleshooting and minimized downtime.

 

Legacy Compatibility: Designed for the Mark IV system, the DS3800DFCA ensures seamless integration with existing GE Speedtronic infrastructure, offering a cost-effective upgrade path for aging control systems.

Applications

The GE DS3800DFCA is widely used in gas turbine control systems across industries requiring precise ignition management:

 

  • Power Generation: Ensuring reliable ignition during startup and load changes in industrial gas turbines.
  • Oil & Gas: Supporting ignition systems for turbine-driven compressors and pumps in refineries and offshore platforms.
  • Marine Propulsion: Regulating ignition timing in shipboard gas turbine propulsion systems, ensuring reliable operation in maritime environments.
  • Industrial Manufacturing: Providing auxiliary ignition control for turbine-driven processes in chemical plants and steel mills.

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Installation and Maintenance

Installation Preparation:

 

  • Verify compatibility with the Mark IV rack and ensure proper grounding.
  • Align the 17-pin connector with the mating port on the motherboard (e.g., DS3800NFCF) and secure it using retention latches 917.
  • Route signal cables away from power lines to minimize electromagnetic interference.

 

Maintenance Recommendations:

 

  • Inspect potentiometer settings annually using a calibrated multimeter to ensure accuracy.
  • Clean dust and debris from the board’s surface using a static-free cloth.
  • Perform firmware updates via GE’s proprietary software to access bug fixes and new features.
  • In high-vibration environments, check connector tightness quarterly.

Product Assurance

GE guarantees the DS3800DFCA with a 1-year warranty covering defects in materials and workmanship. Third-party suppliers like AX Control and World of Controls offer refurbished units with extended warranties (e.g., 3-year repair warranties) 24. GE’s global support network provides 24/7 technical assistance, while authorized distributors like World of Controls offer same-day shipping for urgent replacements 4.

 

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