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Woodward 8915-894
Product Introduction
According to available distributor records, the Woodward 8915-894 is associated with the 505 series of microprocessor-based digital governor controllers designed for steam turbine speed control and protection. It supports multiple communication protocols for integration with existing plant control systems. The device is engineered for high reliability in turbine control applications.
Detailed content
Technical Specifications
Exact specifications for part number 8915-894 were not found in the retrieved materials. Based on the 505 series architecture, typical parameters include:
- Power Supply: 18–32 VDC (24 VDC nominal)
- Display: Two-line × 24-character LED display
- Communication: RS-232, RS-422, RS-485 with Modbus protocol
- Operating Temperature: –20 to +60 °C
- Enclosure: NEMA 4X / IP56
- Weight: Approx. 9.11 lbs (4.13 kg)
Functional Features
- Microprocessor-based digital control
- Speed control via steam inlet flow adjustment
- Triple independent overspeed protection
- Emergency shutdown capability
- On-site programming via Operator Control Panel
- Compatible with OpView™ and 505View software
Application Scenarios
- Steam turbine speed and load control
- Single extraction and/or admission turbine applications
- Industrial steam turbines, small grid turbo-generators, turboexpanders
Installation Requirements
- Rack-mounted installation in control panel
- 24 VDC power supply within 18–32 VDC range
- Proper grounding and shielded communication wiring
Usage Notes
- Operate within specified temperature and voltage limits
- Regular verification of overspeed protection functionality
- Maintain communication integrity with host control systems
