Description
Product Technical Parameters
| Feature | Specification |
|---|---|
| Brand | General Electric (GE) |
| Model | DS3800HSAA1U1N |
| Series | Mark IV Speedtronic |
| Component Type | Servo Amplifier Board |
| Signal Interface | Analog / Digital Hybrid |
| Application | Turbine Control / Servo Loop Management |
| Logic Voltage | 5V / 12V / 15V DC Rails |
| Board Design | Modular PCB with pull-tab connectors |
Product Datasheet
| Attribute | Details |
|---|---|
| Dimensions | 17.8 cm x 12.7 cm x 2.4 cm |
| Weight | 0.45 kg (approx. 0.99 lbs) |
| Country of Origin | USA |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Humidity | 5% to 95% non-condensing |
| Mounting | Rack-mounted / Card Cage Installation |
| Revision | U1N (High-performance specific) |
Application Fields
The DS3800HSAA1U1N is a high-reliability board designed for precision motion and valve control. Its primary applications include:
- Gas and Steam Turbine Control (Mark IV systems)
- Servo Valve Actuation and Loop Feedback
- Heavy Industrial Hydraulic Control Systems
- Power Plant Speed Regulation Units
- Large-scale Manufacturing Automation
Product Instructions
- Insertion: Slide the DS3800HSAA1U1N into the designated slot in the Mark IV card cage. Ensure the top and bottom pull-tabs click into place to verify the board is fully seated in the backplane.
- Calibration: After installation, use a multimeter or system diagnostic tool to verify the zero and span settings of the servo loop. Adjust the onboard potentiometers only if the system software indicates a signal offset.
- Grounding: Ensure the card cage rack is properly grounded. The DS3800HSAA1U1N contains highly sensitive analog circuits that can be affected by electromagnetic interference (EMI).
- Monitoring: Observe the diagnostic LEDs on the front edge of the board during startup. A steady green light typically indicates the board is receiving proper power and the logic state is active.
Product Q&A
Q: What is the primary function of the “Servo Amplifier” in the Mark IV system? A: It amplifies low-power control signals from the processor into high-power signals capable of driving servo valves, which in turn control the fuel or steam flow to the turbine.
Q: Can the DS3800HSAA1U1N be used to replace a board with a different suffix? A: Suffixes like “U1N” denote specific hardware revisions or firmware versions. While they are often backwards compatible, always check the system’s “I/O Config” requirements to ensure the board revision is supported.
Q: How can I tell if the board has a hardware fault? A: Common indicators include “Servo Loop Error” or “Excessive Error” alarms in the control software. Physically check for blown fuses on the board or unresponsive status LEDs.
Q: Does this board require an external power supply? A: No, the DS3800HSAA1U1N draws its operating power directly from the Mark IV backplane bus, though it manages external voltages for the servo valve loops.
Similar Models Recommendation
- GE DS3800HSAA1A1A
- GE DS3800HSAB1F1F
- GE DS3800VPRA1A1A
- GE DS3800VMPA1B1B
- GE DS3800HRAA1A1A
