GE DS200LDCCH1AKA On-site Power Supply Amplification Power Board

I. Basic Information
Brand: GE Fanuc (Original from the United States)
Model: DS200LDCCH1AKA (referred to as FSAA board)
System: Speedtronic Mark V Gas/Turbine Control System
Product Category: On-site Power Supply + Signal Power Amplifier Board
Origin: United States
Installation Method: Standard cabinet rack plug-in backplane installation

Core Functions
On-site Equipment Voltage Stabilization Power Supply: Provides stable 24VDC power supply for LVDT displacement sensors, servo actuators, and valve position detection components at the gas turbine site;
Control Signal Power Amplification: Receives weak voltage control instructions from the main control board, amplifies the power, and drives electro-hydraulic servo valves and speed control actuators to achieve precise valve opening adjustment;
Hardware Short Circuit Overload Protection: Onboard two 30A fast fuse breakers, when the rear-end load shorts or overcurrent occurs, they will quickly melt and protect the main control circuit of the system;
Hardware Configuration Adaptation: Through the onboard JP1 to JP6 jumpers, configure the power supply circuit and signal output mode, adapting to different unit wiring schemes;
Fault Measurement Points Detection: Reserved multiple voltage test points to facilitate on-site multimeter troubleshooting of power supply and output signal faults.

Hardware Interfaces and Onboard Configurations
Connectors: 1 10-pin main control backplane connector + 4 2-pin on-site terminal connectors;
Configuration: 6 groups of Berg-type hardware jumpers (JP1-JP6), used for circuit parameter configuration;
Protective Devices: 2 fast fuses of 30A/60V each;
Process: PCB circuit board with three-proof coating, resistant to moisture, dust, and industrial corrosion;
Dimensions: 25.5cm × 10.2cm × 3.1cm, net weight approximately 0.38kg.

Key Electrical Parameters Table
Parameter item Technical specification
Input power supply Dual voltage compatibility input: 24VDC / 125VDC
Rated output Stable 24VDC, maximum single-channel output 3A
Typical power consumption No-load ≤ 8.5W, full-load ≤ 15W
Signal response time < 1ms
Operating temperature 0℃ ~ +60℃
Storage temperature -40℃ ~ +85℃
Protection capability Overvoltage, overcurrent, short circuit, surge suppression

Typical application scenarios
Thermal power plants, gas-fired power plants, GE Mark V steam turbine units, gas turbine speed control electro-hydraulic control systems;
Large-scale compressors in petroleum and chemical industries, turbine generator sets for speed closed-loop control;
Old GE speed control systems in steel mills and large pump stations for spare parts replacement and control system technological renovation;
Power plant servo valve drive circuits, centralized power supply circuits for on-site sensors.

Compatible alternative models of the same series
Hardware pins, installation dimensions, electrical parameters are fully compatible and can be directly replaced: DS200FSAAG1ABA
DS200FSAAG2BBA