Description
The Woodward 9907-247 828 Digital Control Unit is a programmable electronic engine control module designed for speed governing, load sharing, and prime mover control applications. It is the low-voltage version of the Woodward 828 Digital Control family and is commonly used in gas engines, diesel engines, dual-fuel engines, marine propulsion systems, and industrial power generation equipment.
The 9907-247 provides flexible programmable I/O for engine and generator control applications. It includes two speed inputs for magnetic pickups or proximity switches, four analog inputs, three analog outputs, eight discrete inputs, and three discrete outputs. The controller can also support load-sharing systems and communication through serial interfaces, LON networks, and LinkNet expansion modules.

9907-247
Product Datasheet
| Parameter | Value |
|---|---|
| Brand | Woodward |
| Model | 9907-247 |
| Series | 828 Digital Control |
| Product Name | Digital Control Unit |
| Application | Engine Speed Control / Load Sharing |
| Control Type | Programmable Digital Controller |
| Power Supply | 18–40 VDC |
| Speed Inputs | 2 MPU / Proximity Inputs |
| Analog Inputs | 4 Channels |
| Analog Outputs | 3 Channels |
| Discrete Inputs | 8 Channels |
| Discrete Outputs | 3 Channels |
| Country of Origin | USA |
| Condition / Status | Used / Verify Physical Unit |
| Power Consumption | Approx. 40 W |
⚙️ Product Features
🔹 Programmable Engine Control – Provides configurable control functions for gas, diesel, and dual-fuel engine applications.
🔹 Speed Governing Function – Supports engine speed measurement through magnetic pickup sensors or proximity switches.
🔹 Load Sharing Capability – Can be integrated into generator load-sharing systems with compatible Woodward equipment.
🔹 Flexible I/O Configuration – Includes multiple analog and discrete inputs and outputs for customized engine-control applications.
🔹 Communication Support – Supports serial communication interfaces and LON/LINKnet expansion options for automation integration.
🔹 Marine & Industrial Application – Suitable for generator sets, marine propulsion systems, and industrial prime movers.
🔹 Low Voltage Version – The 9907-247 is the low-voltage model of the 828 Digital Control series.
❓ Common Questions & Answers
Q1: What is the Woodward 9907-247?
A: It is an 828 Digital Control Unit used for programmable engine control, speed governing, and generator load-sharing applications.
Q2: Is 9907-247 a PLC?
A: No. It is a dedicated Woodward engine and generator control module designed for prime mover control applications.
Q3: What voltage does the 9907-247 require?
A: The low-voltage model operates with an 18–40 VDC power supply range.
Q4: How many speed inputs does it have?
A: It provides two speed inputs that can be configured for magnetic pickups or proximity switches.
Q5: Can it be used for generator paralleling systems?
A: Yes. The 828 Digital Control supports load-sharing system applications when configured with compatible equipment.
Q6: What should be checked before replacement?
A: Confirm the complete part number, revision level, firmware configuration, wiring connections, application settings, and compatibility with the existing engine-control system.
Q7: What is the difference between 9907-247 and 9907-248?
A: The 9907-247 is the low-voltage version, while 9907-248 is the high-voltage version of the 828 Digital Control family.
⭐ Recommended Woodward Models
- 9907-248 – 828 Digital Control High Voltage Version
- 9905-001 – SPM-A Synchronizer
- 9907-838 – Digital Control Module
- 9907-164 – 2301A Load Sharing Control
- 9905-003 – SPM-A Synchronizer with Voltage Matching
- 9905-860 – 505 Digital Governor Control
- 9905-852 – 505 Digital Governor Control
- 9907-018 – Load Sharing and Speed Control Module
- 2301A – Electronic Load Sharing Controller
- EasyGen-320 – Generator Controller
