Woodward 9905-291 721 Digital Control
Shop the Woodward 9905-291 721 Digital Control. This robust industrial engine and turbine controller features an 18-40 VDC input, RS-422 communications, versatile I/O options, and load sharing capabilities. Perfect for reliable system management and automation.
Woodward 9905-291 721 Digital Control
The Woodward 9905-291 is a highly reliable 721 Digital Control unit designed for precision engine and turbine management. Manufactured in Fort Collins, CO, this robust industrial controller operates on an 18-40 VDC (18W) power supply. It offers comprehensive connectivity and control capabilities, featuring discrete inputs (A-H), four signal inputs, and two speed sensor inputs for accurate system monitoring. Output options are highly versatile, including three analog outputs, a dedicated actuator output, and three relay outputs. Additionally, the unit is equipped with an RS-422 communication port (J1), clear LED indicators for Power, CPU OK, and Alarms, and a 46-terminal block system that supports advanced functions such as load sharing.
Technical Specifications:
- Brand & Model: Woodward 9905-291 (721 Digital Control)
- Power Supply: 18-40 VDC, 18W Input
- Input Channels: Discrete inputs (A-H), 4 signal inputs, 2 speed sensor inputs
- Output Channels: 3 analog outputs, 1 actuator output, 3 relay outputs
- Relay Contact Rating: 2.0 Amp Resistive @ 28 VDC; 0.1 Amp Resistive @ 115 VAC
- Communication & Terminals: RS-422 communication port (J1); Terminal blocks 1 through 46 (includes load sharing lines)
- Indicators: Power OK, CPU OK, and Alarm LEDs
| Brand | Woodward |
|---|---|
| Model | 9905-291 |
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