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
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- 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.












