Table of Contents
LED
com.ergotech.vib.graphics.LED
Image Examples
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| LED in the graphics palette. | LED graphic example. |
Overview
The LED graphic is a Basic Layout indicator used to display a simple status or value state.
LED is useful when an application needs a small visual indicator for on/off, active/inactive, normal/status, or value-driven display behavior.
LED shares general Active Graphic behavior. See Active Graphic for shared visibility, quality, and runtime display behavior.
Common Uses
- Displaying on/off status
- Showing whether a value is active or inactive
- Creating simple dashboard indicators
- Showing equipment or process state
- Displaying a compact status light
Input Behavior
The LED display can be updated from an input connection.
This allows the LED to update from a data source, calculation, or another logic component.
Output Behavior
LED is primarily used as a display graphic.
It does not function as a user input control.
LED-Specific Behavior
LED is a compact indicator-style graphic with a configurable LED color and value range.
LED-specific settings may include:
- High Value Sets the top of the LED value range.
- Low Value Sets the bottom of the LED value range.
- LedColor Sets the LED color.
- StylesheetSources Allows stylesheet source configuration if used.
Logic Ports
In the Logic Editor, LED may include:
- updateDisplayedValue
The updateDisplayedValue port is used to update the displayed LED value.
Notes
Use LED when a simple status light or compact indicator is needed.
For other indicator graphics, see Indicators.
For shared Active Graphic behavior, see Active Graphic.