GE DS3800NSFE1E1G Speedtronic Mark IV Dual Port Memory Board
Manufacturer: GE Fanuc
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Part Number: DS3800NSFE1E1B
Condition：New with Original Package
Product Type: Memory Boards
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE DS3800NSFE1E1G Speedtronic Mark IV Dual Port Memory Board
Configured for high-speed data buffering and inter-processor communication in Speedtronic Mark IV Turbine Control platforms, the GE DS3800NSFE1E1G (DS3800NSFE Dual Port Memory Board) provides direct physical/electrical execution across redundant system buses.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS3800NSFE1E1G |
| Brand | GE (General Electric) |
| Origin | USA |
| Weight | 0.4 kg (0.64 lbs to 580 g depending on revision/packaging) |
| Dimensions | 178.8 x 100 x 34.3 mm |
| Operating Temp | -40 to +85 deg C |
| Power Consumption | Not specified (Operating Voltage: 12 VDC / 24 VDC options, 2.0 A current rating) |
| System Compatibility | Speedtronic Mark IV Turbine Control Systems |
| Board Type | Dual Port Memory Board / Speed Feedback Interface Module |
| Memory Capacity | 1 GB DDR3 |
| Port Configuration | Dual Port |
| Serial Interfaces | RS-232, RS-485 |
| Primary Functions | Data storage, setpoint retention, operational logging, generator speed feedback/excitation control |
| Integrated Protection | Current limiting, overvoltage, undervoltage detection |
Backplane Bus Communication Velocity Licences and Deterministic Execution
The DS3800NSFE1E1G utilizes a dual-port DDR3 architecture to facilitate concurrent memory access between main processor modules and I/O communication cards without backplane bus contention. This multi-master access interface preserves high communication velocity across the internal rack assembly, enabling real-time logging, setpoint updates, and continuous speed feedback processing. Onboard physical isolation circuits prevent bus noise and voltage transients on field interfaces from degrading deterministic control block execution cycles.
Frequently Asked Questions
Q: How does dual-port memory execution prevent backplane bus bottlenecks during high-frequency data logging?
A: The dual-port architecture provides independent address and data lines for two separate buses, allowing primary control processors and secondary interface cards to read and write to the onboard 1 GB DDR3 array simultaneously without wait-state penalties.
Q: Which physical serial communication interfaces are integrated on the board?
A: The module incorporates built-in RS-232 and RS-485 serial interfaces to support field communication connections and local diagnostic terminal access.
Q: Can the DS3800NSFE1E1G execute direct power monitoring feedback for excitation loops?
A: Yes, when configured for speed feedback and excitation interface tasks, internal hardware logic processes sensor input signals and executes overvoltage and undervoltage protection loops to maintain loop stability.
Field Installation Guidelines
Align the card edges with the designated Euro-card slot guides inside the Speedtronic Mark IV enclosure. Insert the module firmly until the rear connector seats completely into the backplane receptacle, then tighten all front-panel retaining screws to establish structural frame grounding.
Route external RS-232/RS-485 communication cables and power wiring clear of high-voltage field conductors. Ensure cable shields bond to the main cabinet ground bar to prevent high-frequency EMI from disrupting memory bus access. Verify operating voltage supply rails prior to powering up the host rack.