Description
Woodward 8446-1048
Technical Specifications
- Product Series: 8446 Series Control Module.
- Display: High-contrast LCD or LED display for clear visibility.
- Keypad: Sealed membrane keypad for reliable operation in harsh environments.
- Communication: Serial interface to the main controller for real-time data exchange.
Functional Features
- Real-Time Monitoring: Displays critical parameters such as speed, load, temperature, and I/O status.
- Local Control: Allows for local start/stop, reset, and setpoint adjustments.
- Alarm Management: Shows active alarms with priority indication and requires operator acknowledgment.
- Menu Navigation: Intuitive, menu-driven software for easy access to configuration and diagnostic screens.
Application Scenarios
Mounted on the front of turbine control panels or in local operator stations for steam turbines, gas turbines, and engine-driven generators.
Performance Parameters
- Visibility: Sunlight-readable display for installations in brightly lit environments.
- Response Time: Instantaneous update of process data from the main controller.
Material Composition
Rugged cast aluminum or stainless steel enclosure with a chemically strengthened glass display window. UV-resistant keypad overlay for long-term durability.
Structural Characteristics
Compact, flush-mount or surface-mount design. Features a protective visor to reduce glare and a rear connector for easy panel wiring.
Working Principle
Communicates continuously with the main controller via a serial protocol. It sends operator commands (key presses) and receives process data, rendering it on the display in a user-friendly format.
Installation Requirements
Cut the appropriate panel cutout and mount using the provided gasket and hardware to maintain the NEMA/IP rating. Connect the communication cable using shielded wire.
Usage Precautions
- Keep the display clean; use only approved, non-abrasive cleaning agents.
- Avoid pressing the keypad with sharp objects that could puncture the membrane.
- Ensure the communication link is secure; a broken link will cause a communication fault.
