GE DS200TCQCG1BKG Analog IO Expander BoardDescription The DS200TCQCG1BKG is an Analog I O Expander Board manufactured by General Electric as part of the LM2500 Series, which is used in GE Aeroderivative Gas Turbine Control Systems. The TCQC board is responsible for scaling and conditioning additional analog signals received from the terminal boards of the I O cores. Key Functions Signal Handling: Provides LVDT and LVDR excitation. Manages IONET termination within the core. If the optional