General Electric DS200TCCBG8B Common Extended Analog I/O BoardProduct Overview DS200TCCBG8B is aCommon Extended Analog I O Board by General Electric, part of the Mark V LM Series. It is designed for LM turbine control systems, providing additional analog I O scaling and signal conditioning. The board works with signals read from the TCEB board in the P1 core and the TBCB terminal board on the R5 core. Supported signals include line current inputs, RTDs, generator and bus voltage inputs, and 4 20 mA 0 1 mA