The GE IS200ERDDH1ABB, also cataloged as the IS200ERDDH1ABB IGBT Exciter Regulator/Dynamic Discharge card, operates as a dedicated hardware component for gate drive control and dynamic discharge regulation within the EX2100 excitation system.
Country of Manufacture: United States of America (USA)
Form Factor: Single-slot, double-height (6U) board
Connectors: P1 and P2 backplane connectors, seven surface connectors
Operating Temp: -30 to 65 deg C
Board ID Device: Embedded with barcode serial, board type, hardware revision
Availability: In Stock
Backplane Bus Communication
The IS200ERDDH1ABB integrates with EX2100 backplane architecture through P1 and P2 connectors. Communication velocity is maintained across deterministic bus cycles, ensuring synchronization of gate drive signals and dynamic discharge circuits. Firmware flash compatibility aligns with EX2100 system requirements, supporting stable execution under redundant configurations.
Frequently Asked Questions
Q: How does the ERDD manage dynamic discharge independently? A: The dynamic discharge circuits monitor DC link voltage autonomously and execute control actions without processor intervention.
Q: What isolation is provided between control and bridge circuits? A: The ERDD enforces robust isolation between control power and IGBT bridge connections, preventing interference and ensuring operational safety.
Q: Can the ERDD operate in both simplex and redundant relay configurations? A: Yes. In simplex mode it controls the de-excitation relay (K41), while in redundant mode it manages the charging relay (K3).
Field Installation Guidelines
Ensure proper DIN-rail or backplane slot engagement for mechanical stability.
Maintain shielded cable grounding at a single point to suppress EMI.
Separate DC link voltage wiring from control signal paths to minimize cross-talk.
Verify relay configuration (K41 or K3) according to system redundancy before energizing.
Observe ambient temperature limits (-30 to 65 deg C) during installation.
