GE DS200TCCBG3B
GE DS200TCCBG3B - Image 2

GE DS200TCCBG3B

Product Introduction: This board serves as the primary common control and extended analog I/O hub in GE Speedtronic Mark V and TC2000 turbine control systems, coordinating communication between redundant R, S, and T control cores.

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Description

GE DS200TCCBG3B

  • Technical Specifications:
    • System Platform: Speedtronic Mark V / TC2000
    • Power Supply: 28 V DC nominal
    • Operating Temp: 0°C to +60°C
    • Dimensions: 215 × 154 × 30 mm
    • Weight: Approx. 0.45 kg
  • Functional Features: VME bus interface for deterministic communication; extended analog signal processing; TMR (Triple Modular Redundant) fault voting and isolation; onboard diagnostics for VME health and I/O modules; cross-core data synchronization.
  • Application Scenarios: Central control coordination in gas/steam turbine protection systems, auxiliary turbine control loops, power generation plants requiring high-reliability redundant control.
  • Performance Parameters: Supports full TMR configuration; manages supplemental sensor inputs (LVDT, thermocouple via associated boards); maintains timing skew prevention across cores; continuous backplane monitoring.
  • Material Composition: High-temperature tolerant FR-4 PCB; gold-plated VME edge connector; industrial-grade ASICs and FPGAs; electrolytic capacitors rated for 60°C continuous operation.
  • Structural Features: 6U VME form factor; front faceplate with status LEDs; multiple ribbon header connectors (e.g., for TCQC communication); surface-mounted components with robust thermal management; revision G3B enhancements.
  • Working Principle: Acts as the central arbitration and I/O routing node; receives analog/digital data from I/O cores via backplane, processes control logic in synchronization with triple-redundant CPUs, performs voting on discrepant signals, and outputs coordinated commands to actuators and protection relays.
  • Installation Requirements: Insert into designated VME slot in Mark V rack ensuring proper seating; connect ribbon cables to associated I/O terminal boards without strain; verify 28 V DC supply stability before power-up.
  • Usage Precautions: Handle only with anti-static wrist strap; when replacing in TMR set, verify firmware revision matches other cores to avoid voting mismatch; inspect ribbon cables for cracking; do not force insertion if backplane misaligned.

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