Woodward 9907-1290 Digital Speed Governor
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 9907-1290 |
| Brand | Woodward |
| Product Type | Digital Speed Governor |
| Product Series | ProAct Digital Speed Control Series |
| Control Method | Digital Closed-Loop Speed Control |
| Processor | 50 MHz IOX |
| Program Memory | 6 MB Flash |
| Non-Volatile Memory | 8 KB NVRAM |
| Rated Power Supply | 24 VDC |
| Speed Control Accuracy | ±0.1% |
| Speed Control Range | Software configurable for different prime mover speed ranges |
| Speed Sensing | Magnetic Pickup Unit (MPU) |
| Control Functions | PID, Droop, Isochronous and Load Control |
| Actuator Output | Dedicated digital/proportional control output for compatible ProAct actuators |
| Analog Inputs | Available for remote speed setting and process signal acquisition |
| Digital Inputs | Start/stop, reset, speed increase/decrease and interlock signals |
| Analog Outputs | Monitoring and transmission of speed, load and other operating parameters |
| Communication Interface | RS-232 and associated digital communication interface |
| Communication Functions | Parameter configuration, operating monitoring and fault diagnosis |
| Typical Applications | Diesel engines, gas engines, generator sets and other prime movers |
| Mounting | Control cabinet or equipment panel mounting |
| Operating Temperature | -40 to +70°C |
| Dimensions | 200 × 150 × 60 mm |
| Weight | 1.2 kg |
FAQ
1. What is the main function of the Woodward 9907-1290 Digital Speed Governor?
The Woodward 9907-1290 is designed for precise speed control of engines and other prime movers. It receives speed feedback from the engine, compares the actual speed with the configured setpoint, and calculates the required actuator command. This closed-loop process allows the governor to maintain stable engine speed under changing load conditions.
2. How does the 9907-1290 measure engine speed?
The governor uses a Magnetic Pickup Unit (MPU) to obtain engine speed information. The MPU generates pulses as the engine rotates, and the governor processes the pulse frequency to determine actual engine speed. The calculated speed is then compared with the target value to generate the appropriate control output.
3. What speed control modes are supported by the 9907-1290?
The 9907-1290 supports control functions such as PID, droop, and isochronous operation. PID control can be used for accurate speed regulation, while droop control is commonly applied to generator load-sharing systems. Isochronous control is used when maintaining a constant target speed during load changes is required.
4. What is the speed control accuracy of the 9907-1290?
The specified speed control accuracy is typically up to ±0.1%. Actual performance depends on the quality of the speed feedback signal, actuator response, engine characteristics, governor settings, and load conditions. Proper tuning of the control parameters is therefore important when commissioning the system.
5. Which actuators can be used with the Woodward 9907-1290?
The governor is designed to work with compatible Woodward ProAct actuator systems. The controller calculates the required actuator command based on the difference between actual and desired engine speed. The actuator then adjusts the engine fuel or prime mover input to regulate operating speed.
6. What should be checked if the engine speed fluctuates with the 9907-1290?
First, check the MPU speed feedback signal, including sensor installation, wiring, shielding, signal quality, and sensor-to-gear clearance. Next, verify the speed setpoint and control parameters such as PID gain, integral settings, and droop configuration. The actuator response and engine fuel system should also be checked because mechanical or fuel-system problems can produce speed instability.
7. How should the 9907-1290 be diagnosed if it cannot control engine speed correctly?
Troubleshooting should be performed through the power supply, input signals, control parameters, and actuator output. Verify that the 24 VDC supply is stable, then check the MPU signal and any remote speed reference inputs. Confirm that the programmed parameters are appropriate for the engine. Finally, inspect the actuator wiring, actuator movement, and governor output. If the input signals are correct but the actuator does not respond properly, the output circuit and actuator should be investigated.
8. What industrial systems commonly use the Woodward 9907-1290?
The digital speed governor is commonly used for diesel engines, gas engines, generator sets, and other prime movers requiring electronic speed regulation. In power-generation systems, it can be integrated with compatible engine actuators and control equipment to provide stable speed control, remote speed adjustment, load-sharing functions, and operating monitoring.
Woodward 9907-1290 Digital Speed Governor is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
