Digital guide
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Woodward 9905-131 Speed Control Module
- Product Name: Woodward 9905-131 Speed Control Module
- Product Description: A high-precision digital speed control module designed for precise speed regulation and load management of diesel engines, gas engines, steam turbines, and gas turbines. It integrates advanced control algorithms and robust industrial-grade hardware, ensuring stable and reliable operation in critical power and mechanical drive applications.
Detailed content
- Technical Specifications:
- Power Supply: 24 VDC ±10% (18–32 VDC)
- Actuator Output: 0–200 mA current drive, compatible with Woodward actuators
- Speed Sensing: Magnetic Pickup (MPU) or proximity probe input
- Control Modes: Isochronous (zero speed droop) or droop speed control, selectable via discrete input
- Operating Temperature: -40°C to +85°C
- Enclosure: Sheet-metal housing for industrial durability
- Communication: Optional Modbus RTU/RS-485 for remote monitoring and configuration
- Key Features:
- Full-authority speed control with 4–20 mA or 1–5 VDC remote setpoint input
- Start fuel limiter with override protection to prevent engine damage during startup
- Acceleration/deceleration ramps for smooth speed transitions, reducing mechanical wear
- Multiple speed range selection to adapt to different engine/turbine operating speeds
- Automatic load sharing capability for parallel generator set operations
- Overspeed protection and fault diagnosis for enhanced system safety
- Applications: Diesel/gas generator sets, industrial engine drives, steam/gas turbine control systems, marine propulsion systems, and oil & gas pipeline compressor drives.
