GE DS200TCQCG1AJD RST Overflow Analog I/O Expander Board
GE DS200TCQCG1AJD is an RST overflow analog I/O expander board for GE Speedtronic Mark V gas turbine control system. It collects and processes analog field signals, provides LVDT excitation signal and signal scaling processing for turbine monitoring and control loops.


This rack plug-in circuit board communicates with the main processor through the backplane bus. It is widely used for spare replacement and maintenance of gas turbine control cabinets in power plants, oil & gas energy stations.

Data Parameters
1. Brand: GE.
2. Model: DS200TCQCG1AJD.
3. Product Type: RST Overflow Analog I/O Expander Board.
4. Application: Speedtronic Mark V gas turbine control system.
5. Feature: Analog signal acquisition, LVDT excitation, signal conditioning.
6. Characteristic: Backplane bus communication, multi-channel analog expansion.
7. Communication: Proprietary Mark V rack backplane bus.
8. Package: Rack plug-in PCB board with pin connectors.
9. Mounting: Mark V control chassis rack installation.
10. Operating Temperature: 0℃ ~ +60℃.
Core Functions
1. Expand analog input channels to collect turbine temperature, pressure and displacement signals.
2. Supply excitation drive for LVDT sensors to monitor valve position and shaft displacement.
3. Complete signal amplification, filtering and scaling before sending data to main processor.
4. Detect signal overflow and abnormal state, send fault flag to turbine control logic.
5. Cooperate with other Mark V boards to realize closed-loop regulation of gas turbine.
Application Scenarios
1. Power plant Mark V gas turbine control cabinet spare replacement and maintenance.
2. Oil and gas station gas turbine unit control system renovation project.
3. Industrial combined cycle power generation turbine control spare inventory backup.
4. Old Speedtronic Mark V analog signal acquisition board renewal.
5. LM series gas turbine monitoring and control loop expansion upgrade.
FAQ
1. Q: What is GE DS200TCQCG1AJD?
A: It is RST overflow analog I/O expander board dedicated for GE Speedtronic Mark V gas turbine control rack.2. Q: What sensors can it support?
A: It is mainly used for LVDT position sensors and other standard analog process sensors.3. Q: Can it be hot swapped during turbine running?
A: Cut off rack control power before replacement to avoid turbine control trip risk.