ABB i-bus KNX Product Manual page 113

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ABB i-bus KNX
© 2008 ABB STOTZ-KONTAKT GmbH
Planning and application
Example
A KNX 8 bit scene (No. 8) comprises of some lamps, which are connected
to two Switch Actuators and a Light Controller output.
Furthermore, two shutters are integrated into the scene via a shutter
actuator. The scene can be retrieved via a single KNX telegram.
The prerequisite for this is that all devices have programmed scene 8
accordingly in the devices. After a telegram has been received, the slave
switches on its scene number 8. The shutter actuator moves the shutters
to the corresponding position, the lighting assumes the predefined
brightness values and switching states defined by the scene.
Benefit
The 8 bit scene offers some advantages compared to conventional scene
programming via several KNX groups. On the one hand only a single
telegram which is received by all participants in the scene and
implemented accordingly, is sent on the bus to retrieve a scene. On the
other hand, the target positions of the shutter, the contact position of the
Switch Actuator outputs and the brightness value of the Light Controller
are stored in the participating devices and do not need to be sent via
the KNX each time they are to be retrieved.
Note
The scene numbering 1 to 64 is retrieved via the KNX with a telegram
number 0 to 63.
Refer to the code table for the corresponding scene coding.
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