Woodward 721 Digital Control
The Woodward 721 Digital Control is a highly reliable and versatile controller designed for precision engine and turbine management. Operating on an 18-30 VDC raw supply input, this robust unit features a comprehensive array of I/O options, including four analog inputs, four analog outputs, and discrete inputs activated by +18 to +40 VDC. It ensures optimal performance with dual speed sensor inputs and integrated load sharing lines for complex power generation applications. The controller is also equipped with three relay outputs, an RS-422 communication port for seamless system integration, and intuitive front-panel LED indicators for Power/CPU status and dual alarms, making it an essential component for critical industrial control and monitoring systems.
Technical Specifications:
- Power Supply: 18-30 VDC raw supply input
- Relay Outputs: 3 relay outputs (Contact Power Rating: 2.0 Amp Resistive, 28VDC; 0.1 Amp Resistive, 115 VAC)
- Discrete Inputs: 8 inputs (A-H), apply +18 to +40 VDC to activate
- Analog I/O: 4 analog inputs, 4 analog outputs
- Speed Sensors: 2 speed sensor inputs
- Communication: RS 422 communication port (J1)
- Load Sharing: Integrated load sharing lines
- LED Indicators: Power and CPU OK, Alarm #1, Alarm #2

| Brand | WOODWARD |
|---|---|
| Model | 721 |
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ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
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Woodward 721 Digital Control
Optimize your engine and turbine operations with the Woodward 721 Digital Control. This OEM industrial controller features 18-30 VDC power, RS-422 communication, load sharing capabilities, and comprehensive I/O modules for precise, reliable system management.

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