Technical Specifications

• Product Model: IS200EBRGH1A
• Brand: GE General Electric
• Warranty: One Year
• Input Voltage: 125 V DC power supply from EDIS unit; 5 V local logic supply via VME backplane
• Operating Temperature: ‑40 °C ~ +85 °C; 5‑95 %RH non‑condensing, conformal coated PCB
• Storage Temperature: ‑40 °C ~ +70 °C
• Response Time: SCR gate trigger update cycle ≤125 µs
• Protection Class: IP20, VME rack‑mount PCB assembly
• Accuracy Class: Gate‑drive interface board, no analog measurement accuracy
• Output Frequency: 50/60 Hz excitation bridge control, supports SCR phase‑firing control
• Rated Current Range: Logic consumption approx. 380 mA; optical‑isolated gate pulse outputs for SCR thyristors
• Communication Interface: HS‑SLR‑LNK high‑speed serial link to IS200HSLAH2ADE board; multi‑pin field connectors for SCR bridge, temperature‑sensor feedback, cooling‑system signals
• Supported Protocols: GE proprietary HS‑SLR‑LNK serial protocol for EX2100 / EX2100e excitation system
• Overload Capacity: On‑board transient‑voltage suppression; optical isolation between controller and high‑power thyristor bridge; thermal‑feedback monitoring for power‑semiconductor temperature
• Dimensions: 220 mm × 130 mm × 35 mm; weight approx. 0.45 kg
• 

Application Scenarios

• Thermal‑Power‑Plant Generator EX2100e Excitation Cabinets: Delivers isolated SCR gate‑trigger pulses for generator‑excitation thyristor rectifier bridge; monitors bridge temperature and cooling‑loop status, executes AVR firing‑control for steam‑turbine / gas‑turbine generators.
• Combined‑Cycle Power‑Unit Excitation‑Control Racks: Cooperates with DSPX controller, HSLA and EXAM boards to implement closed‑loop excitation regulation for combined‑cycle generating‑units.
• Hydro‑Power‑Station Generator Excitation‑System: Adapts for hydro‑generator EX2100e cabinets; reliable thyristor‑firing control under frequent load‑variation and unit start‑stop conditions.
• Industrial Captive‑Power‑Plant & CHP Generator‑Excitation Retrofit: Used for overhaul and upgrade of existing EX2100‑series excitation cabinets; handles power‑bridge interface and trigger‑control functions.