GE DS200DDTBG2ABB LCI Auxiliary I/O Terminal Board

The GE DS200DDTBG2ABB, also cataloged as the DS200DDTBG2ABB LCI Auxiliary I/O Terminal Board, operates as a dedicated hardware component for high-voltage auxiliary signal termination and routing within Speedtronic Mark V turbine control architectures.

Suffix Breakdown & Model Matrix

Hardware Specifications

Backplane Bus Communication Velocity and Firmware Compatibility

Configured for deterministic high-voltage turbine management, the module maintains strict bus communication velocity and signal routing across Mark V controller nodes. Firmware flash compatibility and internal signal conditioning via on-board varistors, transformers, and relays ensure synchronized data exchange with the DS200DSPC digital signal processor control board without interface latency.

Frequently Asked Questions

Q: How does the DS200DDTBG2ABB receive its operating power within the system rack?

A: The board receives power and control signals through a direct connection to the DS200ADMA daughterboard module, which is mounted on the DS200DSPC digital signal processor control board.

Q: How are current loop inputs configured on this terminal board?

A: Current loop inputs can be reassigned from CT or LEM input channels utilizing the onboard 3-position jumper switches, which are factory-set to the 1-2 position.

Field Installation Guidelines

Ensure all system rack power feeds and high-voltage inputs are fully isolated and locked out prior to handling the DS200DDTBG2ABB board. Align the printed circuit assembly carefully within the Mark V enclosure guide rails, applying steady, uniform pressure to secure the board. Terminate external field wiring securely to the five onboard terminal strips (ranging from 3 to 36 screw positions), ensuring that all signal cable shields are properly grounded to the cabinet earth bar to mitigate electromagnetic interference.