Description
- Product Model: DS200SDCCG1A
- Brand: GE
- Warranty: One Year
- Input Voltage: 5 VDC backplane, 24 VDC auxiliary
- Operating Temperature: -30 °C to +65 °C
- Storage Temperature: -40 °C to +85 °C
- Response Time: ≤ 2 ms real‑time loop
- Protection Class: IP00 (chassis‑mount PCB assembly)
- Accuracy Class: ±0.05% FS for analog signal processing
- Output Frequency: 0‑20 kHz pulse control output
- Rated Current Range: 0‑800 mA board consumption
- Communication Interface: Internal rack backplane, multi‑pin ribbon connectors
- Supported Protocols: GE Mark V proprietary backplane protocol
- Overload Capacity: 115% short‑term current withstand
- Dimensions: 159 mm × 108 mm × 22 mm
Product Overview
The GE DS200SDCCG1A is a multi‑processor drive control card built for the GE Speedtronic Mark V turbine control platform, functioning as the primary processing board for EX2000 excitation and drive control subsystems. Equipped with three dedicated microprocessors and shared onboard RAM, it executes closed‑loop motor and excitation regulation, handles high‑speed analog and digital I/O sampling, and manages local user‑interface routines for drive status and fault reporting. It addresses known legacy‑system pain points including inconsistent excitation response, timing mismatch between I/O sampling and control loops, and limited local diagnostic visibility for drive‑related faults. Power‑plant controls engineers, turbine maintenance technicians, and system retrofit integrators benefit from this hardware; it delivers deterministic real‑time processing, centralizes drive‑logic execution, and supports direct board‑swap replacement for aged Mark V rack assemblies to reduce forced outage risk.
Application Scenarios
- Power Plant Generator Excitation Control: Installed within Mark V control racks to govern EX2000 generator excitation systems. Multi‑processor architecture maintains stable voltage regulation during large grid load swings, captures drive‑level fault codes locally, and reduces reliance on upper‑level CPU resources for excitation‑loop computation.
- Gas Turbine Auxiliary Drive Regulation: Manages speed and torque control for critical turbine auxiliary motor drives. Fast loop response keeps auxiliary equipment operating within set parameters during turbine startup, load ramping, and emergency trip sequences.
- Legacy Turbine System Retrofit & Spare Replacement: Used as drop‑in spare hardware for aging Mark V installations. It interfaces with existing backplane wiring and connector layout, allowing maintenance teams to restore drive‑control functionality without full‑scale system migration.
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