ABB i-bus
®
KNX
Planning and application
© 2008 ABB STOTZ-KONTAKT GmbH
230
Setting up a simple automatic sun protection system
Two further components are required in addition to the Room Master and
switch sensor in order to set up a simple automatic sun protection system:
an activation option for the user, e.g. a further switch sensor or the second
rocker of the UP/DOWN touch sensor and a brightness sensor.
With the help of the second switch sensor, the user of the room can specify
whether he wishes to use the automatic sun protection or whether he would
rather control the shutters manually. If the automatic sun protection is
activated via a switch sensor, the shutter moves automatically until either
the automatic sun protection is deactivated via the same switch sensor or
the user issues a direct movement command, e.g. UP/DOWN or move into
position and the automatic function is thus also deactivated.
The Room Master receives the information via the brightness sensor as to
whether there is direct sunlight on the window or the facade. Once the
adjustable delay period has elapsed, the Room Master positions the shutter
according to the set
Position if sun = 1 (sun shining)
or
Position if sun = 0
(sun not shining)
.
