Description
The WOODWARD 9907-247 828 Digital Control Unit is a programmable engine control module designed for speed governing, load sharing, and prime mover control applications. It belongs to the Woodward 828 Digital Control Series and is widely used in gas engines, diesel engines, dual-fuel engines, generator sets, marine propulsion systems, and industrial power equipment.
The 9907-247 low-voltage digital controller supports two magnetic pickup (MPU) or proximity switch speed inputs, programmable analog and discrete I/O, actuator control outputs, and communication functions for integrated engine management systems. It provides flexible configuration for speed control, load sharing, and generator synchronization applications.
This control unit features microprocessor-based control technology with configurable parameters, allowing engineers to adapt the controller for different engine and turbine control requirements. The unit operates with an 18–40 VDC power supply range and has a nominal power consumption of approximately 40 W.

9907-247
🔹 Product Parameters
| Parameter | Value |
|---|---|
| Brand | WOODWARD |
| Model | 9907-247 |
| Series | 828 Digital Control Series |
| Product Name | 828 Digital Control Unit |
| Application | Engine Speed Control / Load Sharing / Generator Control |
| Product Status | New Surplus / Used Tested Available |
| Dimensions | Approx. 305 × 178 × 76 mm |
| Weight | Approx. 3.13 kg |
| Origin / Place of Origin | United States |
| Power Supply | 18–40 VDC (24/32 VDC Nominal) |
| Power Consumption | Approx. 40 W |
| Discontinued | No Official Discontinuation Information Available |
🔹 Common Questions & Answers (Q&A)
Q: What is the main function of WOODWARD 9907-247?
A: The 9907-247 is a programmable digital controller used for engine speed regulation, actuator control, load sharing, and generator management applications.
Q: What systems can use the 9907-247 controller?
A: It is commonly applied in diesel engines, gas engines, dual-fuel engines, marine propulsion systems, and industrial generator control systems.
Q: What inputs and outputs are available on this controller?
A: The unit provides two speed inputs, four analog inputs, three analog outputs, eight discrete inputs, and three discrete outputs for flexible system integration.
Q: What are common problems with a faulty 9907-247?
A: Typical issues include unstable engine speed, actuator control failure, incorrect load sharing, communication errors, or failure to start due to incorrect configuration.
Q: Can the 9907-247 replace another Woodward controller directly?
A: Replacement depends on application configuration, wiring, software settings, actuator type, and engine control requirements. Parameter verification is required before installation.
Q: Does the 9907-247 support communication networks?
A: The controller supports serial communication options and LON/LINKNet functions for expanded control system integration.
🔹 Recommended WOODWARD Models
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