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Fig. 5.1 parameter window ―General Setting‖ (2)
Parameter “backlighting after bus voltage recovery”
This parameter is used to set the backlight brightness of screen after bus voltage recovery or
reset. Option: 10…100%
Parameter “backlighting day (%)”
This parameter is used to set the backlight brightness of screen in the day. Option: 10…100%
Parameter “Backlighting night (%)”
This parameter is used to set the backlight brightness of screen in the evening. Option:
10…100%
Via object ―day/night mode‖ the backlight brightness can be switched to the defined values in
the above two parameters.
Note: after bus voltage recovery or reset,
if the object “day/night mode” has not received
a telegram value, when the TFT is operated, the backlight is changed from brightness of
recovery to brightness of day.
Parameter “backlighting day when does not under operating (%)”
This parameter defines the backlighting of day when the TFT does not under operating. Option:
0…100%
Parameter “Backlighting night when does not under operating (%)”
This parameter defines the backlighting of night when the TFT does not under operating.
Option: 0…100%
Note: “Do not under operating” mean that the TFT has entered into the screen saver or
the delay time that close the backlight has passed.
After bus voltage recovery or reset, if the object “day/night mode” has not received a