Description
The Woodward 505E digital governor, part number 9907-165, is a microprocessor-based controller specifically designed for steam turbines requiring controlled extraction and/or admission pressure control. It features an integrated Digital Remote Final Driver to deliver precise valve positioning and reliable turbine management across complex industrial processes.
📋 Product Parameters & Datasheet
- Dimensions: 311 mm x 279 mm x 133 mm
- Weight: Approximately 5.5 kg
- Country of Origin: United States
- Power Supply: 18 to 32 VDC
- Operating Temperature: -20°C to +65°C
- Communication Interfaces: Modbus RTU / Ethernet ports for remote control and data logging
- Discrete Inputs: Configurable isolated discrete inputs for trip, reset, and mode selection
- Discrete Outputs: Relay outputs for alarm status and critical trip conditions
- Display Type: Integrated alphanumeric operator control panel (OCP)
- Enclosure Protection: NEMA 4X / IP56 front panel rating
⚙️ Product Operation Instructions
- Power Connection: Connect the 18-32 VDC power source to the designated input terminals, ensuring correct polarity and secure chassis grounding before power-up.
- Actuator & Driver Wiring: Connect the extraction and admission valve actuators, along with the Digital Remote Final Driver lines, to the corresponding analog and digital output terminals.
- Configuration: Access the configuration menu using the front-panel keypad or service tool software to set turbine speed dynamics, pressure control loops, and valve characteristic curves.
- Startup & Monitoring: Execute pre-start verification routines, initiate the startup sequence, and closely monitor speed, load, and extraction/admission pressures through the display interface.
❓ Frequently Asked Questions (Q&A)
- Q: What distinguishes the Woodward 505E model from standard 505 governors?
- A: The 505E (Model 9907-165) is specifically engineered for steam turbines that require controlled extraction and/or admission pressure management.
- Q: What is the purpose of the Digital Remote Final Driver on this part number?
- A: It provides enhanced digital control signals to safely and accurately drive external final actuation elements for complex steam routing.
- Q: What power input is required for the 9907-165 controller?
- A: It operates on a standard DC power supply ranging from 18 to 32 VDC.
