Woodward 828 9907-247 Digital Controller
Woodward 828 9907-247
Product Overview
The Woodward 828 9907-247 is a low-voltage digital control unit designed for engine speed regulation and industrial control applications. It supports gas, diesel, and dual-fuel engines, making it suitable for power generation, marine propulsion, and industrial machinery.
The controller provides configurable input and output channels for connecting sensors, actuators, and external control devices. In addition, it supports load-sharing applications when integrated with compatible generator control equipment.
Technical Parameters
| Parameter | Description |
|---|---|
| Product Type | Digital Control Unit |
| Product Series | 828 Digital Control |
| Power Supply | 18–40 VDC |
| Nominal Voltage | 24 or 32 VDC |
| Power Consumption | 40 W nominal |
| Speed Inputs | 2 |
| Analog Inputs | 4 |
| Analog Outputs | 3 |
| Discrete Inputs | 8 |
| Discrete Outputs | 3 |
| Maximum Ambient Temperature | +70°C |
Main Features
- Digital speed control: Supports precise engine speed regulation through configurable control settings.
- Flexible signal interfaces: Accepts signals from magnetic pickups and, where permitted by the application, compatible proximity switches.
- Multiple I/O channels: Connects with external sensors, actuators, and switching devices.
- Load-sharing capability: Supports integration with compatible equipment for generator synchronization and load management.
- Communication options: Supports serial communication and network expansion options for suitable system configurations.
Structure and Integration
The unit consists of a printed circuit board housed in a sheet-metal chassis. Three terminal strips and three 9-pin D-sub connectors provide electrical connections to the control system.
Its configurable architecture allows engineers to adapt the controller to specific engine and plant requirements. The final configuration depends on the application, connected equipment, and programmed control functions.
Typical Applications
- Industrial engine speed control
- Diesel and gas generator sets
- Marine engine management systems
- Power generation facilities
- Mechanical drive and pump systems
- Generator load-sharing installations
Installation and Maintenance
Before installation, verify the DC power supply, wiring arrangement, sensor signals, and actuator compatibility. Keep signal cables properly routed and shielded to reduce electrical interference.
For routine maintenance, inspect terminals and connectors, check operating conditions, and review system alarms. Always disconnect power before servicing the unit, and follow the manufacturer’s installation and safety instructions.
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