Description
Woodward 8444-1091A
Technical Specifications
- Processor: High-speed microprocessor (e.g., 50 MHz).
- Memory: 53 MB program and data capacity.
- Display: Integrated 2-line x 24-character LCD for local operation.
- Power: 220V AC, 50Hz standard input.
Functional Features
- Programmable Control: Supports dual modes (Programming and Running) for flexible configuration.
- Actuator Control: Manages single or dual separate stage actuators for precise valve positioning.
- User Interface: Menu-driven software simplifies setup, tuning, and diagnostics.
Application Scenarios
Ideal for industrial steam turbines, turbo-generators, and turbo-expanders requiring robust digital governing.
Performance Parameters
- Operating Environment: 0°C to 60°C ambient temperature; 60% non-condensing humidity.
- Processing Speed: Real-time execution of complex control loops.
Material Composition
Rugged module-style enclosure housing high-reliability printed circuit boards. Designed for panel mounting in industrial environments.
Structural Characteristics
Weighs approximately 6.5 kg. Features a front-panel operator interface for local monitoring and adjustment without a laptop.
Working Principle
Executes sophisticated control algorithms to maintain turbine speed or generator load. It processes feedback from actuators and sensors to continuously adjust output signals, ensuring stable and efficient operation.
Installation Requirements
Install in a climate-controlled control room or panel. Ensure adequate clearance for ventilation and maintenance access.
Usage Precautions
- Use only authorized Woodward software tools for parameter configuration.
- Protect the module from voltage spikes and power surges.
- Perform regular functional tests of safety shutdown loops.
