Product Details
Configured for precise turbine governing in speed control applications, the Woodward 9907-014 (9907-014 Speed Control) provides direct physical/electrical execution of engine speed regulation without integrated load-sharing functionality.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 9907-014 |
| Brand | Woodward |
| Origin | Not specified |
| Weight | 2.5 lbs |
| Dimensions | 8.625 x 7.25 x 2.5 inches |
| Operating Temp | -40 to 85 deg C |
| Power Consumption | <= 15 W |
| Power Supply | 20-40 VDC |
| Chassis | Sheet Metal |
Actuator Loop Feedback Response
The 9907-014 utilizes a closed-loop control algorithm to maintain setpoint rotational speed by modulating the output signal to the fuel actuator. The response time and loop stability are dependent on the integrated PID settings, which must be tuned to match the specific dynamic characteristics of the prime mover. As a dedicated speed control unit, it processes magnetic pickup (MPU) inputs to determine engine RPM and compensates for load-induced speed variations. To ensure optimal actuator loop feedback response, the output drive signal must be monitored to verify that the actuator travel remains within the mechanical limits defined for the application.
Frequently Asked Questions
Q: Is the 9907-014 compatible with load-sharing systems?
A: No, the 9907-014 is architected exclusively for speed control. It lacks the internal circuitry and communication capabilities required for load-sharing applications common in the wider 2301A series.
Q: Can the 9907-014 be operated in high-vibration environments?
A: The chassis is constructed from sheet metal, providing structural integrity. However, verify that mounting locations adhere to standard industrial vibration limits and ensure that all electrical connectors are secured against loosening.
Field Installation Guidelines
- Mounting: Secure the sheet metal chassis to a flat, vertical surface within the control panel. Ensure adequate clearance for the 8.625 x 7.25 x 2.5 inch envelope.
- Wiring: Use shielded cabling for all speed sensor (MPU) inputs to prevent induced noise from distorting the RPM signal. Ground the shield at the control unit side only.
- Power Input: Ensure the 20-40 VDC power source is filtered and regulated to prevent voltage fluctuations that could interfere with control stability.
- Actuator Connection: Connect the actuator drive lines using appropriately sized wire to minimize voltage drop, ensuring the unit can maintain the full current range required for valve or fuel rack positioning.
- Validation: Perform a cold-start test to calibrate the idle speed setpoint and verify the responsiveness of the governor under no-load conditions before engaging the load.
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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