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Art. No. SC 1000 KNX
transmitted. This concept provides the transmission of only one channel. To indicate that a
telegram has been transmitted, the status LED lights up for approx. 250 ms in the "Telegram
acknowledge" setting.
In this operation concept, the extension module will not transmit a telegram immediately after
pressing the rocker. This principle also permits the detection of full-surface operation. The
settings that are possible with full-surface operation are described below.
Operation concept channel 1 and channel 2
With this operation concept, one or alternatively two telegrams can be transmitted on each
button-press.
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On a brief press the extension module transmits the telegram for channel 1.
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A long press causes the extension module to transmit first the telegram for channel 1 and
then the telegram for channel 2.
Figure 85: Example for operation concept "Channel 1 and channel 2"
The time required for distinguishing between a short and a long operation is defined by the
parameter "Time between channel 1 and channel 2". In this operation concept, a button-press
sends this telegram is immediately to channel 1. If the button is held depressed for the
configured time, the telegram for the second channel is transmitted as well. If the button is
released before the time has elapsed, no further telegram will be transmitted. This operation
concept, too, offers the parameterizable possibility of having the transmission of a telegram
signalled by the status LED (setting "Telegram acknowledge").
Full-surface operation with 2-channel operation
When a rocker is programmed for 2-channel operation and if the operation concept "channel 1
or channel 2" is used, the extension module needs some time at the beginning of each
operation in order to distinguish between a short and a long operation. When the full-surface
operation is enabled, the extension module can make use of this time span to evaluate the
otherwise invalid simultaneous actuation of both actuation points.
The extension module detects a full-surface operation of a rocker if a control surface is
depressed over a large area so that both buttons of the rocker are actuated.
The full-surface operation must have been detected before the first telegram has been
transmitted by the 2-channel function. If this is not so, even a full-surface operation will be
interpreted as a wrong operation and not be executed.
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Software "Smart Control 501511"
Functional description