
Product Description
Woodward 9907-164 Digital Governor - Precision Turbine Control Solution
The Woodward 9907-164 represents the pinnacle of digital governor technology for steam and gas turbine applications. Built on the proven 505 platform, this controller integrates advanced microprocessor architecture with field-proven algorithms to deliver unmatched reliability in power generation, mechanical drive, and cogeneration installations.
Technical Specifications
- Model: 9907-164
- Platform: 505 Digital Control System
- Control Modes: Speed, load, temperature limiting
- I/O Configuration: 16 analog inputs, 8 analog outputs, 24 digital I/O
- Communication: Modbus RTU, RS-232/485
- Operating Range: -30°C to +65°C
- Power Supply: 18-32 VDC
- Response Time: <10ms loop execution
Application Scenarios
Engineered for demanding industrial environments where turbine performance directly impacts operational efficiency. The 9907-164 excels in combined-cycle power plants managing load-following operations, petrochemical facilities requiring precise process steam control, and marine propulsion systems where rapid response to load transients is critical. Its dual-redundant architecture supports safety-instrumented system (SIS) integration for overspeed protection in accordance with IEC 61508 standards.
Solution Benefits
Reduces commissioning complexity through auto-tuning capabilities that adapt PID parameters to specific turbine characteristics, cutting startup time by 60% versus manual calibration. Integrated diagnostics with predictive maintenance alerts minimize unplanned downtime, while the hot-swappable I/O modules enable repairs without process shutdown. Field data shows mean time between failures (MTBF) exceeding 150,000 hours in continuous operation.
Frequently Asked Questions
Q: Is the 9907-164 compatible with legacy 505 systems?
A: Yes, it maintains full backward compatibility with existing 505 installations and can replace earlier models without rewiring.
Q: What communication protocols are supported?
A: Standard Modbus RTU over RS-485, with optional Ethernet/IP and PROFIBUS adapters available.
Q: Can it control multiple turbines simultaneously?
A: The controller manages single turbine units; multi-unit coordination requires networked controllers via LinkNet.
Warranty & Support
Backed by a comprehensive 12-month warranty covering manufacturing defects and component failures. Technical support includes configuration assistance, troubleshooting guidance, and firmware updates throughout the product lifecycle.
Related Products
| Product | Application | Link |
|---|---|---|
| Woodward 9907-167 505E Digital Governor | Enhanced 505 platform with expanded I/O | View Product |
| Woodward 8200-1311 505D Digital Governor | Compact 505D variant for space-constrained installations | View Product |
| Woodward 2301E-ST Digital Governor Control | 2301E series for load sharing applications | View Product |
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