Set Backlight

This function block is used to modify the backlight setting of the display. This can change the brightness of the screen toward a darker or lighter display.

A brightness value in percent can be assigned to the SetVal input. The output ActVal will show the currently set value. The output Err will show an error number.


Name I/O Type(s) Function
SetVal I WORD Brightness value to set in [%]
ActVal O WORD Actual brightness value in [%]
Err O WORD Error indicator


Error numbers Result
0 No error
-1 The board could not be accessed.
-2 The current brightness value could not be read.
-3 The brightness value could not be set.