The vision system controls automatically the single segments of a LCD display.
An LED area flood lighter is used for lighting.
The work pieces sitting in work holders pass a measuring station.
The display is controlled with turned on and off segments.
In addition a contrast test of the LCD display is performed and the value is forwarded to the host computer.
The test methods for the cameras used for the measuring process are configured by the user.
The measurement happens fully automatically after triggering with a photosensitive relay.
The test consists of two pictures with a test program each (turned on and off segments).
The test result is displayed on the monitor for control purposes.
The vision system is extendable up to 4 cameras and 4 switchable lightings.
A trackball is used for operation of the system.
