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Woodward 8904-433
Product Name: Electronic Control Module / Actuator Driver (part number 8904-433)
Product Overview: The 8904-433 is a member of the Woodward 8904 control product family. Based on the 8904 series architecture, it functions as an electronic controller or actuator driver module for turbine/engine control systems, providing control interfacing for fuel valves or actuators.
Detailed content
Technical Specifications: Detailed standalone technical parameters for 8904-433 require reference to the official Woodward product manual. Typical 8904 series modules feature:
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Electrical interface: Independent RS-232 and RS-422 serial ports
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Control output: Low-current PWM output for microprocessor synchronizer applications
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Input voltage: 24 Vdc typical
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Rating: Class 1, Div classification
Functional Features:
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Microprocessor-based control architecture
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Provides frequency, phase, and voltage auto-matching for synchronous generators via analog or discrete output bias signals
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Dual independent serial communication ports
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Data logging capability
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Optional Modbus® serial communication
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Adaptive speed sensing algorithm
Application Scenarios:
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Turbine/engine control systems
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Generator set paralleling and synchronization
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Speed and load control for diesel or gas engine driven generators
Installation Requirements: Install in a control cabinet or protected enclosure per the Woodward 8904 series installation guidelines. Ensure proper shielding and grounding of serial communication cables. Provide stable 24 Vdc power supply.
Usage Notes: Verify compatibility with the specific actuator or driven device before commissioning. Follow Woodward’s EMC and grounding guidelines to prevent communication interference.
