Digital guide
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GE DS3800NFCD1K1D
- Product Name: GE Mark IV Firing Circuit Board
- Product Introduction: The DS3800NFCD1K1D is a firing (gate pulse) circuit board designed for GE Mark IV Speedtronic turbine control systems. Its primary function is to generate timed, synchronized gate pulses to trigger power-rectifying Silicon Controlled Rectifiers (SCRs).
Detailed content
- Technical Specifications:
- Dimensions: 9.75 × 7.6 in
- Weight: 1.2 lbs
- Mounting: 4 corner holes for panel attachment; 4 standoffs for daughter card
- Logic Devices: Multiple TTL devices
- Indicators: 13 red LEDs + 1 amber LED
- EEPROM Socket: 1
- System Compatibility: GE Mark IV Speedtronic
- Functional Features: High-speed pulse transformer-coupled output; high-transient isolation; generates synchronized SCR gate pulses for controlled rectification and inversion cycles.
- Application Scenarios: Mark IV Speedtronic turbine controllers and associated static power conversion systems.
- Installation & Usage Notes: Enforce strict LOTO (lock-out/tag-out) on all three-phase AC input and DC control buses before handling. Verify correct backplane connector engagement. This is a legacy/obsolete part—maintain strategic spare inventory to prevent extended plant downtime.
