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Woodward 9905-463 ProAct Digital Speed Control

  • Product Name: Woodward 9905-463 ProAct Digital Speed Control (Revision N)
  • Product Description: An enhanced ProAct series digital speed control module (Revision N) designed for high-precision speed regulation of diesel engines, gas engines, and steam turbines. It features improved EMI resistance and firmware optimizations for enhanced control stability in harsh industrial environments.
  • Technical Specifications:
    • Power Supply: 18–32 VDC (24 VDC nominal)

Detailed content

    • Actuator Current: 10 A continuous; 30 A peak for transient loads
    • Speed Sensing: Magnetic Pickup (MPU) or proximity probe (1–30 Vrms)
    • Analog Inputs: Remote speed setpoint (4–20 mA or 1–5 VDC)
    • Discrete Inputs: Run/Stop, Idle/Rated, Raise/Lower, Speed Reset
    • Operating Temperature: -40°C to +70°C
    • Weight: Approximately 2.3 kg
  • Key Features:
    • Revision N firmware optimizations for improved EMI resistance and control stability
    • High-current actuator output for driving large ProAct series actuators
    • Torsional filtering for smooth speed control and reduced mechanical vibration
    • Isochronous/droop mode selection for single or parallel operations
    • Failed speed sensor protection and overspeed trip test capability
    • Seamless integration with Woodward 2301A series controls for hybrid systems
  • Applications: Large diesel/gas generator sets, industrial steam turbines, marine propulsion systems, and oil & gas pipeline compressor drives.

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