Technical Specifications Servo drive signal output interfaces, position feedback signal input channels, Mark V back‑plane bus connector, auxiliary DC power supplied by chassis back‑plane. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, relative humidity 5%‑95% non‑condensing. Conformal coating PCB protection. Mark V plug‑in form factor.
Functional Features Receives servo position control commands from Mark V main processor via back‑plane bus. Generates high‑resolution servo drive output signals for turbine servo actuators. Acquires and conditions servo mechanism position feedback signals. Compares command value and actual feedback position to complete closed‑loop servo control logic. Supports servo channel fault diagnosis and status reporting to main system.
Material Composition Multilayer glass‑fiber epoxy printed circuit board. Servo signal driving chips, feedback signal conditioning components, closed‑loop logic integrated circuits. Gold‑plated Mark V back‑plane edge connector. 
Structural Characteristics Standard Mark V chassis plug‑in board dimension. Rear gold‑plated edge connector interfaces with Mark V system back‑plane bus. Front metal panel mounts group of status LED indicators and fastening hardware.
Working Principle Board draws operating power from Mark V chassis back‑plane. Main CPU sends target position commands through back‑plane bus. On‑board circuit generates corresponding servo drive signals to actuate field servo mechanism. Position feedback signals return to board and go through conditioning circuit. Closed‑loop logic compares command and feedback value and adjusts drive output continuously. On‑board monitoring circuit captures servo channel abnormal status and reports fault to main processor.
Installation Requirements Insert DS200SDCCG1AFD into designated chassis slot, tighten front‑panel fixing screws. Restore chassis power supply, execute system power‑on self‑test, servo closed‑loop tuning and functional verification test.
Usage Notes Prevent mechanical scratch damage to conformal coating protective layer. Only install inside compatible GE Mark V turbine control chassis.
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