Description
GE DS3800HAFA1B1D
Technical Specifications:
- Brand: General Electric (GE)
- Model: DS3800HAFA1B1D
- System Series: Mark IV Speedtronic
Functional Features:
- Multi-Channel Input: Reads multiple analog signals simultaneously, such as temperatures, pressures, and speeds.
- Signal Scaling: Converts raw sensor voltages or currents into standardized engineering units for the CPU.
Application Scenarios:
Legacy turbine control systems requiring precise monitoring of exhaust gas temperatures, fuel gas pressures, and compressor discharge pressures.
Performance Parameters:
Adequate resolution and accuracy for Mark IV control algorithms, with built-in filtering to reject electrical noise.
Material Composition:
Vintage industrial-grade PCB with precision resistors, operational amplifiers, and analog multiplexers.
Structural Characteristics:
Standard Mark IV board with front-panel test points for each input channel and a specialized backplane connector.
Working Principle:
Multiplexes multiple analog inputs, applies anti-aliasing filters, scales the signals using precision resistor networks, and outputs the conditioned signals to the system’s analog-to-digital converter.
Installation Requirements:
Align carefully with the backplane. Use shielded, twisted-pair cables for all analog inputs, grounding the shield at the control cabinet only.
Precautions for Use:
Verify input signal ranges match the board’s configuration. As a legacy component, inspect for capacitor leakage or resistor drift during preventive maintenance.




