Description
The Woodward unit 9907-170 is part of the 505 LST (Large Steam Turbine) series of turbine controllers, featuring 18-32 VDC power. It is specifically engineered to manage and control various types of large industrial steam turbine systems, offering high reliability, precise speed and load regulation, and advanced control algorithms tailored for heavy-duty applications.
📋 Product Parameters & Datasheet
- Dimensions: 311 mm x 279 mm x 133 mm
- Weight: Approximately 5.6 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 DCS and remote system integration
- Discrete Inputs: Configurable isolated discrete inputs for trip, start, and control commands
- Discrete Outputs: Relay outputs for alarm, auxiliary functions, and emergency trip signaling
- Display Type: Integrated alphanumeric operator control panel (OCP) with keypad
- Enclosure Protection: NEMA 4X / IP56 front panel rating
⚙️ Product Operation Instructions
- Power Connection: Connect the 18-32 VDC power supply to the designated input terminals, verifying correct polarity and secure grounding before turning on the device.
- Actuator & Sensor Wiring: Connect the large steam turbine actuator control lines, speed pickup sensors, and pressure transmitters to their respective terminal blocks according to the wiring diagram.
- Configuration: Use the integrated front-panel keypad or Woodward service tool software via communication ports to configure turbine control logic, speed curves, and safety limits.
- Startup & Monitoring: Perform comprehensive pre-start checks, initiate the turbine startup sequence, and continuously monitor critical operating parameters such as turbine speed, valve position, and system status on the display panel.
❓ Frequently Asked Questions (Q&A)
- Q: What is the main application of the Woodward 505 LST series model 9907-170?
- A: It is designed for managing and controlling various types of large steam turbine systems requiring robust and precise governance.
- Q: What power supply range does this unit require?
- A: This controller requires a DC power supply ranging from 18 to 32 VDC.
- Q: Can this unit integrate with a distributed control system (DCS)?
- A: Yes, it supports standard communication protocols like Modbus and Ethernet for seamless plant-wide monitoring and integration.
