Description The GE IS200LSGIH1A is a static starter control gating interface board used in EX2100e excitation and starter control systems. It provides independent instantaneous overcurrent protection and coordinates thyristor gating and power distribution within the starter control cabinet. Technical Specifications Specification Details Condition New / Never Used Surplus Brand General Electric Category PLCs/Machine Control Part Number IS200LSGIH1A Subcategory Static Starter Control Board Series EX2100e Product Type PCB Primary Function Static Starter Control Gating Interface Operating Voltage 28 V DC Power Transfer ±24 V DC from main supply FGPA Compatibility Works with three FGPA boards Protected Components Thyristor bridges, UCSB, LSTB, FCSA Overcurrent Protection Bridge instantaneous overcurrent, independent of controller Seismic Rating Section 2312 Zone 4 Reference Manual GEH-6373 Information About IS200LSGIH1A The IS200LSGIH1A is a General Electric static starter interface board developed for EX2100e systems used in turbine excitation and starting applications. It acts as the primary interface between the UCSB controller and critical starter components, including power conversion bridges, analog outputs, and pretrigger contact inputs. The board provides autonomous instantaneous overcurrent protection to safeguard the system even if controller-level protection is unavailable. It also distributes 28 V DC power throughout the control cabinet and transfers ±24 V DC to downstream boards that supply LEM sensors. Key Features EX2100e system compatibility: Designed specifically for GE EX2100e excitation and static starter architectures. Independent overcurrent protection: Provides bridge-level instantaneous overcurrent protection separate from controller logic. Thyristor gating coordination: Works with three FGPA boards to control six thyristors per bridge. Centralized power distribution: Distributes 28 V DC power to the UCSB controller, LSTB board, and network switch. Auxiliary power transfer: Routes ±24 V DC to the FCSA board for LEM sensor operation. Seismic-qualified design: Meets Section 2312 Zone 4 requirements for high-reliability installations. Industrial-grade PCB construction: Built for continuous operation in turbine starter and excitation control cabinets. The IS200LSGIH1A delivers the reliability and precision required for static starter gating, power distribution, and overcurrent protection in GE EX2100e turbine control systems.
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