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Woodward 505D 8200-1302
Product Name: 505D Digital Governor Turbine Control Module
Product Introduction: A high-performance digital governor with integrated graphical HMI, designed for precise control of steam turbines in Zone 2 hazardous locations. It combines advanced control algorithms with user-friendly operation for reliable turbine speed and load management.
Technical Specifications:
- Power Input: 18–32 VDC (low voltage DC)
Detailed content
- Operating Temperature: -25°C to +65°C
- Dimensions: 14L × 11H × 4D inches (356 × 279 × 102 mm)
- Certifications: Marine/ATEX compliance for Zone 2 hazardous areas
- Communication: Modbus RTU/ASCII via RS-485
- Speed Inputs: 2 redundant channels (magnetic pickups or proximity probes)
- Analog Inputs: 8 configurable 4–20 mA channels
- Discrete Inputs: 20 contact inputs (10 alarm, 10 trip)
- Discrete Outputs: Configurable relay outputs
Functional Features:
- Integrated graphical front-panel HMI for intuitive operation
- Auto-start sequencing for hot and cold turbine starts
- Three-band critical speed avoidance logic
- Real-time clock (RTC) timestamp for all trip and alarm events
- Dual speed and load dynamic control parameters
- Peak speed indication for overspeed trip verification
- Zero-speed detection and remote droop adjustment
- Three operating modes: configuration, operation, calibration
- Comprehensive fault diagnostics and event logging
Application Scenarios:
- Steam turbine control in Zone 2 hazardous industrial facilities
- Power generation plants (coal, gas, biomass)
- Marine propulsion systems
- Industrial cogeneration and combined heat & power (CHP) units
- Process steam systems in petrochemical and refining operations
