Art. No. SC 1000 KNX
4.2.4.1.11 Channel function "operating mode switchover, internal"
With the channel function "operating mode switchover, internal", the room temperature
controller integrated in the device can be activated, whereupon it is possible to switch over to
the controller operating mode by sensor operation. No direct bus telegrams are generated by
this channel function. Status messages of the controller can only trigger bus telegrams.
If this channel function is used, the user can influence the room temperature control on the
control section in the room and thereby specify the temperature setpoint.
A KNX channel "operating mode switchover, internal" has a display element and sensor surface
in the graphic interface for operation. The display area and sensor area, depending on the
existing operation concept, are combined into one surface (direct operation) or distributed on
two surfaces (selection operation). The sensor element is always executed as a rocker function
and does not distinguish between any short and long operations.
An operation of the sensor surfaces
Z
or
^
switches over the possible operating modes
(Comfort, Standby, Night reduction, Frost/heat protection) as well as the Presence function
(presence button) successively.
The presence function makes it possible to switch the operating mode to the comfort extension
or to deactivate it prematurely if Night or Frost/heat protection mode (not activated by the
"Window status" controller object) has been activated. After the comfort extension has been
activated using the presence button, the currently remaining extension time is displayed on the
room temperature controller page. The remaining length of the comfort extension is output in
minutes in the display and operating element of the operating mode switchover. The extension
will automatically be deactivated as soon as the "Length of comfort extension" time, configured
in the controller, has elapsed. If you recall the presence function once more, you can deactivate
the comfort prolongation earlier. You cannot re-trigger such extension time.
If the standby mode is active, it is possible to switch over to the comfort mode by recalling the
presence function. The comfort mode will remain active as long as the presence function
remains active by the channel function, or until another operating mode comes into effect.
i
The operating mode or presence function selected by the sensor surfaces is first accepted
as valid by the internal controller approx. 2 seconds after completion of the operation.
i
The controller function must be switched on in the "Room temperature control (RTC)"
parameter node in order to use the channel function "operating mode switchover, internal".
Figure 44: Example of an operating and display element of the channel function
"operating mode switchover, internal"
left: direct operation / right: selection operation
(A) Text name
(B) Status text
Page 109 of 347
Software "Smart Control 501511"
Functional description
