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Woodward 9907-162 505 Digital Governor

  • Product Name: Woodward 9907-162 505 Digital Governor
  • Product Description: A microprocessor-based digital governor for controlling single-valve steam turbines. It provides precise speed/load control, auto-start sequencing, and comprehensive protection for turbine-driven generators, pumps, and compressors.

Technical Specifications:

  • Power Supply: 24 VDC, 1 A
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Detailed content

    • Speed Sensing: 2 MPU inputs (0.5–25,000 Hz)
    • Control Modes: Isochronous, Droop, Process Cascade
    • I/O: 2 actuator outputs, 8 relay outputs, 6 analog inputs, 16 discrete inputs
    • Display: 2-line x 24-character LED
    • Keypad: 30-key multi-function keypad
    • Communication: RS-232/RS-485 (Modbus RTU)
    • Dimensions: 356 x 279 x 102 mm (14″ x 11″ x 4″)
    • Weight: 4.13 kg (9.11 lbs)
    • Operating Temperature: -20°C to +60°C
  • Key Features:
    • Auto start/stop sequencing for cold and hot starts
    • Critical speed avoidance to prevent resonant vibration
    • Valve position limiting and overload protection
    • Configurable via front panel or 505View software
    • Password-protected configuration for security
    • Comprehensive alarm and fault history
    • NEMA 4X / IP56 enclosure option
  • Applications: Single-valve steam turbines in power generation, district heating, chemical processing, and mechanical drive applications.

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