Technical Manual
Glass Room Temperature Controller Smart SCN-RTRGx.02
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
•
Germany
Phone: +49-2263-
880 • [email protected] • www.mdt.de
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In the programmed state, the menu for setting the brightness can be called up by simultaneously
actuating the sensor areas 5 and 6. The brightness is set by actuating the sensor areas 3 (-) or 4 (+):
In this menu, the end user can adjust the brightness settings independently (without ETS). The
settings made are permanently stored in the unit until the next time the database is transferred.
If the parameter "
Adapt display brightness to ambience
" is set to "
active
", the following settings
are available:
If the parameter "
Send brightness via object to the bus
" is activated, the current brightness value
can be sent via object 91. This allows, for example, the brightness to be synchronised with other
devices.
Brightness
: Defines the basic brightness of the display and influences the dimming behaviour of
the display according to the measured value for the ambient brightness.
Minimum brightness
: Defines the brightness that the display has in any case. This brightness can
be set separately for "Day" mode and for "Night" mode.
*
If the parameter "
Adapt display brightness to ambience
" is set to "
not active
", the following
settings are available:
Brightness at Day/Night
: Defines the absolute, fixed brightness of the display in "Day" mode or in
"Night" mode.
In addition, the
brightness
can be controlled via the bus here. In this case, a brightness value is
received via object 91, with which, for example, the brightness is synchronised with other devices.
Application example: Several units are installed in the building. One unit serves as the "master" and
sends its current brightness value to the bus. The other devices behave like "slaves" and receive
this brightness value.
The table shows the general communication objects:
Number Name/Function
Length Usage
89
Presence
–
Input
1 Bit
Input for presence active, e.g. from a presence
detector
88
Display
–
Brightness
1 Byte Receiving/sending the brightness for the display
Table 12: Communication objects
–
Adaption to ambience
