Description
The Woodward 9907-169 is a sophisticated microprocessor-based digital control system engineered for precise industrial turbine management. As part of Woodward’s reliable control solutions, it provides accurate regulation, flexible configuration options, and robust performance for demanding power generation and mechanical drive environments.
📋 Technical Specifications
- 🌍 Origin Country: United States
- ⚖️ Weight: Approximately 4.1 kg (9.0 lbs)
- 📐 Dimensions: Standard 505-compatible form factor (approx. 279 mm x 356 mm x 102 mm)
- ⚡ Operating Voltage: 18–32 VDC (Low Voltage DC)
- 🔌 Power Consumption: Max 30 W
- 🌡️ Operating Temperature: -20°C to +60°C
- 🖥️ Display Type: Integrated front-panel alphanumeric display and keypad
- 🔌 Communication Ports: RS-232, RS-422, RS-485 (Modbus protocol support)
- 🛡️ Enclosure Protection: NEMA Type 4X / IP56 when properly panel mounted
- 🔄 Application Support: Industrial steam and gas turbines, compressors, and generator drives
📖 Operating Instructions
- Power Supply Check: Verify that the incoming DC power source is stable and provides within 18 to 32 VDC with correct polarity before turning the unit on.
- Wiring & Interconnections: Securely connect speed pickups, actuator control cables, discrete I/O, and communication links to the rear terminal blocks according to the system diagram.
- Parameter Configuration: Use the front-panel multi-function keypad and display or configuration software to input turbine control dynamics, limits, and setpoints.
- Operation & Monitoring: Switch the controller to active mode, execute start sequences, and monitor operating parameters, alarms, and valve positions directly from the local interface or a connected DCS.
❓ Frequently Asked Questions (Q&A)
- Q: What is the primary function of the Woodward 9907-169?
- A: It serves as a dedicated digital control system and governor for industrial prime movers, providing precise speed, load, and auxiliary process control.
- Q: Does the unit support serial communication protocols?
- A: Yes, it features standard serial communication ports (such as RS-485) allowing integration with plant Distributed Control Systems (DCS) using Modbus.
- Q: What operating voltage range is required?
- A: The system operates on a low-voltage DC power supply ranging from 18 to 32 VDC.

