Product Details
The Woodward 9905-463, also cataloged as the 9905-463 Digital Speed Control Module, operates as a dedicated hardware component for turbine rotational velocity regulation within engine management platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9905-463 |
| Brand | Woodward |
| Origin | Not specified |
| Weight | Approximately 1 kg |
| Input Voltage | 18-32 VDC |
| Output Voltage | 0-10 VDC |
| Current Range | 0-200 mA (Control Signal) |
Actuator Loop Feedback Response
The 9905-463 module regulates prime mover output by computing speed setpoints and transmitting control signals to the fuel actuator. To maintain a stable actuator loop feedback response, the digital controller continuously compares real-time speed input data against the load-sharing reference. The output stage provides up to 200 mA of control current, ensuring rapid response for valve positioning. The control algorithm incorporates internal compensation to mitigate mechanical hysteresis, providing precise load regulation and overspeed protection. Integration with external communication protocols allows for seamless data exchange, ensuring that setpoint adjustments are executed without introducing oscillations into the governor loop.
Frequently Asked Questions
Q: Does the module support hot-swapping functionality during operation?
A: No, the 9905-463 is not designed for hot-swapping. Ensure the 24 VDC power source is fully isolated from the terminal block before installation or removal to prevent electrical damage to the controller circuitry.
Q: How should the control output be wired to the actuator?
A: The 0-200 mA control signal should be routed using shielded twisted-pair cabling to minimize induced EMI. Ensure the actuator load resistance is compatible with the controller output voltage and current ranges to avoid saturation or signal clipping.
Field Installation Guidelines
- Mounting: Secure the controller within an industrial enclosure protected from moisture and particulate contamination. Ensure the mounting surface is rigid to minimize the impact of external vibrations on the internal processing components.
- Wiring: Route signal inputs (speed feedback) and output control lines away from high-current power cabling to prevent electromagnetic interference. Terminate all shields at the common cabinet ground stud.
- Power Connection: Verify that the supply voltage remains within the 18-32 VDC range. Utilize a dedicated power supply that is filtered to suppress noise generated by the engine starting system.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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