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GE IS200ESELH2A
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Product Description: Sits between EX2100 exciter regulator logic (EMIO/DSPX) and EGPA gate-pulse amplifiers. Routes SCR firing pulses, selects active exciter channel, and supervises redundant regulator handover.
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Technical Specifications:
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Bridge drivers: 3 integrated drivers
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Detailed content
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SCR support: Up to 6 SCR gate sets
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Failover time: < 10 ms automatic switch
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Backplane power: 24 V DC ±10 %
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Power draw: < 5 W typical, < 8 W max
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Operating temp: -40 °C to +70 °C
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Humidity: 5 %–95 % non-condensing
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Isolation: 2.5 kV AC field-to-logic
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Communication: EISB exciter internal serial bus
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Indicators: Channel-active, standby, fault, power, EISB LEDs
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Functional Features: Automatic and manual regulator selection, SCR pulse distribution, overvoltage and reverse-polarity protection, conformal-coated FR4 with aluminum faceplate.
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Application Scenarios: Static excitation of synchronous generators in thermal, hydro, and cogeneration plants using EX2100/EX2100e.
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Installation Requirements: Mount in EX2100 rack with IS200ERBP backplane, torque 2.5 Nm, connect EMIO and EGPA flat cables exactly per wiring diagram.
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Usage Notes: Hot-swap only with controlled power sequence; verify M1/M2 redundancy jumpers; never defeat isolation when testing gate pulses.
