Product Description
Manufacturer / Series: General Electric (GE); Speedtronic Mark VI Gas / Steam Turbine Control System, part of the EX2100 Excitation Regulator Subsystem; positioned as the Exciter Regulator I/O & Ground Detector Terminal Board
Core Function: Provides system-side and user-side I/O interfaces, supports Simplex and TMR/Redundant architectures; integrates ground detection circuitry, and serves as a signal relay for the ERDD/ERO board; dual backplane connectors (P1/P2) + front terminal block, with toggle switches for redundancy/single mode switching; on-board FPGA handles data acquisition and DPM control communication, dual CPU slots ensure redundancy switching
Model Suffix Meaning: IS200ECGIH1A (base model); PR2 is the production/revision number (Production Revision 2), with slightly better hardware layout/firmware version than the earlier PR1/no suffix version, and complete electrical compatibility
Key Technical Specifications Table
Parameter Item English Parameter Value / Specification
Operating Voltage Operating Voltage Complies with EX2100 cabinet standards, +5V/±12V/24VDC; Backplane ISBus power supply
Operating Temperature Operating Temp 0~60°C (industrial grade, -20~70°C short-term tolerance)
Humidity Humidity 5~95%, no condensation
Isolation Isolation 1500VDC electrical isolation between channels and ground, EMI/RFI resistant
Mounting Mounting Double-wide VME standard rack, ERBP (single) / ERRB M2/C (redundant) slots
Connectors Connectors Double backplane P1/P2; front TB terminal block; 9-pin D-sub auxiliary interface
Redundancy Redundancy 1 unit for single system; 3 units for triple-redundant system (installed in ERBP M1, ERRB M2/C respectively)
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