Digital guide

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Woodward 9900-061

  • Product Name: Digital Speed and Process Controller
  • Product Overview: A versatile microprocessor-based controller for engine and turbine applications, integrating speed regulation, load management, and system protection. It offers configurable PID control, fault logic, and communication, serving as a compact all-in-one solution for prime movers.

Detailed content

  • Technical Specifications:
    • Power Supply: 24 VDC (18–32 VDC)
    • Speed Range: 300–3600 RPM
    • Analog I/O: 4 inputs (4–20 mA), 2 outputs (4–20 mA)
    • Digital I/O: 8 inputs, 6 relay outputs
    • Display: 2-line LCD with keypad
    • Operating Temperature: -40 °C to +70 °C
  • Functional Characteristics:
    • Precision isochronous and droop speed control
    • Configurable load sharing for parallel generator sets
    • Integrated overspeed, underspeed, and signal loss protection
    • Start/stop logic with fuel limiting and pre-glow control
    • Modbus RTU communication for remote monitoring
  • Application Scenarios: Small-to-medium diesel/gas generators, industrial prime movers, turbine auxiliary systems, backup power units, agricultural and construction machinery engines.

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