The DS200PLIBG1A is a phase logic interface board designed by GE as part of their Mark V Speedtronic system. This board has been discontinued by the manufacturer but continues to be available through AX Control. It is a multi-input/output board with on-board RAM. This board is often used within the EX2000 digital regulator used for brushless excitation systems. EX2000 systems are designed to control ac terminal voltage or the reactive volt-amps through control of the rotating brushless exciter field. It can be single-phase or three-phase. For a TMR turbine control panel, each servo-valve will have three coils. One coil from each servo will be connected to the <R><S><T> phases. Servos are designed with a failsafe spring.
The DS200PLIBG1A is an early phase logic interface. Phase logic devices are designed as interfaces between batch execution servers and phase logic within the process controller. It is typically used to control state transitions for phases and the communication between these two areas.
The DS200PLIBG1A is designed with multiple connectors. These include six vertical pin connectors that are at the center of the board, placed parallel to each other. Additional connectors are located at the top and bottom of the board.
Other board components include banks of LED indicators, integrated circuits, resistor network arrays, capacitors, and resistors. The board is drilled for mounting and carries the GE logo. Edges are marked for alignment. Additional information about the board may be found using original documentation material from General Electric like user guides and manuals.