Digital guide
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Woodward 9904-060
Product Name: Woodward 9904-060 — 505 Digital Turbine Control (Turbine Controller)
Product Introduction: The 9904-060 is a high-performance digital microprocessor controller module from the Woodward 505 series, designed for the control and monitoring of industrial steam turbines, gas turbines, turbine generators, and turboexpanders. It controls turbine speed and load by operating the steam inlet valve via a single or split-range actuator.
Detailed content
Technical Specifications:
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Display & HMI: Two-line × 24-character LED display with a 30-key multifunctional keyboard
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Communication: Multiple communication protocols supported for integration with DCS, PLC, and other systems
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Operating Temperature: –40 to +85 °C (derived from 505XT platform)
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Protection: Triple independent overspeed protection logic
Functional Features:
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Microprocessor-based design ensuring precise control and stability
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Supports speed control, load control, and synchronous (isochronous) control modes
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On-site programming via integrated operator control panel
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Real-time data monitoring and fault self-diagnosis for turbine performance (speed, temperature, pressure)
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Programmable critical speed avoidance and valve travel limits
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Rich I/O interfaces for easy system expansion
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Provides OpView™ and 505View software for remote monitoring and fault diagnosis
Application Scenarios: Steam turbines of various sizes, industrial steam turbines, small grid turbo-generators, and turboexpanders; single extraction and/or admission steam turbine applications.
