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Woodward 9907-861 Microprocessor-Based Turbine Control Module
Product Name: Woodward 9907-861 Microprocessor-Based Turbine Control Module
Product Description: A high-performance, field-configurable digital controller designed for precise control of industrial steam turbines. It integrates comprehensive speed, load, and process control functions in a rugged, panel-mount package, suitable for Class I, Division 2 hazardous locations.
Detailed content
Technical Specifications:
- Supply Voltage: 18–32 VDC (Nominal 24 VDC)
- Power Consumption: 24 W maximum
- Analog Inputs: 8 x 4–20 mA (fully configurable, isolated)
- Discrete Inputs: 16 x (4 dedicated, 12 programmable)
- Control Outputs: 2 x Actuator drive outputs, 8 x Relay outputs, 6 x Programmable 4–20 mA outputs
- User Interface: 30-key multi-function keypad, 2-line x 24-character LCD display
- Communication: 2 x RS-232/485 ports (Modbus RTU protocol)
- Operating Temperature: -40°C to +85°C
- Dimensions: 356 x 279 x 102 mm (14 x 11 x 4 inches)
- Weight: 4.13 kg
- Certifications: CE, UL, CSA (Class I, Div. 2)
Functional Features:
- Advanced multi-loop PID control with adaptive tuning algorithms
- Configurable control sequences for auto-start, critical speed avoidance, and shutdown
- Extensive non-volatile event and fault logging for diagnostics
- Comprehensive turbine protection (overspeed, under-speed, vibration, thrust)
- Flexible speed sensing (MPU, active, or analog inputs)
- Field-upgradable firmware via front panel or PC Toolkit
- Built-in speed droop and isochronous control modes
Applications:
- Industrial steam turbines (mechanical drive & generator drive)
- Cogeneration (CHP) and combined cycle power plants
- Extraction and admission steam turbines
- Pulp and paper, chemical, and food processing industries
- Hazardous location power generation
