Digital guide

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Woodward 9907-810

  • Product Name: 505 LST Digital Turbine Controller
  • Product Overview: A member of the 505 series, this is a microprocessor-based digital controller for steam turbines and other prime movers. It provides integrated speed, load, and pressure control, combining high performance with a user-friendly interface.
  • Technical Specifications:
    • Processor: 32-bit microcontroller

Detailed content

    • I/O Configuration: 8× Analog In, 4× Analog Out, 16× Digital In, 8× Digital Out
    • Communication: Modbus RTU, Ethernet
    • Display: 2-line × 24-character LCD
    • Enclosure: NEMA 4X, IP56
    • Operating Temperature: -40°C to +65°C
  • Functional Features:
    • Multi-loop control for speed, load, and inlet/exhaust pressure.
    • Programmable logic for custom sequencing and interlocks.
    • Auto-synchronization and load sharing for generator applications.
    • Extensive fault diagnostics with historical event logging.
    • Password-protected configuration for security.
  • Application Scenarios:
    • Integrated control for industrial steam turbines.
    • Generator set control for combined-cycle power plants.
    • Prime mover control for compressors, pumps, and fans.
    • Retrofit controller for upgrading older mechanical governor systems.

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