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Woodward 9907-1183 505E Digital Governor
Product Name: Woodward 9907-1183 505E Digital Governor (LVDC, Extraction/Admission)
Product Description: A second-generation, field-configurable digital controller designed specifically for steam turbines with extraction or admission steam flows. It provides comprehensive speed, load, and process control in a rugged, panel-mount package for Class I, Division 2 hazardous locations.
Detailed content
Technical Specifications:
- Supply Voltage: 18–32 VDC (nominal 24 VDC)
- Analog Inputs: 6 x 4–20 mA (programmable)
- Discrete Inputs: 16 (4 dedicated, 12 programmable)
- Outputs: 2 x actuator drives, 8 x relays, 6 x 4–20 mA
- Display: 2-line, 24-character LCD with keypad
- Operating Temperature: -40°C to +85°C
- Dimensions: 242 x 185 x 62 mm
- Weight: 1.8 kg
- Certifications: CE, UL, CSA (Class I, Div. 2)
Functional FeaturesWoodward:
- Advanced PID control with adaptive tuning
- Dedicated control algorithms for steam extraction/admission turbines
- Configurable via front panel keypad or PC Toolkit software
- Extensive event and fault logging (non-volatile memory)
- Supports remote I/O and communication (Modbus RTU optional)
- Comprehensive turbine protection suite (overspeed, under-speed, etc.)
- Flexible speed sensing (MPU, active, or analog inputs)
Applications:
- Industrial steam turbines (mechanical drive & generator drive)
- Extraction and admission steam turbines
- Cogeneration (CHP) and district heating systems
- Pulp and paper, chemical, and food & beverage plants
- Hazardous location industrial power generation
