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case). Under a “
state-dependent
” LED illumination, the LED will remain
on/off according to the current state (on/off) of either one object or the other,
which can be configured in parameters. However, if “
LED Illumination
Control
(
All Buttons)
” (see section 2.3.1) has been set to “state-dependent
(where available)”, only the short press object will apply.
Scene
: after the user touches the button, an order to run a specific scene
(configurable) will be sent to the bus. If enabled in parameters, orders to save
the scene can also be sent to the bus after a three-second press on the
button. The “
state-dependent
” LED mode is not available for this function.
Scaling Constant
: sends a percentage value (configurable) to the bus when
the user touches the button. Under a “
state-dependent
” LED illumination, the
LED will remain on/off depending on whether the current value of the object
matches the one parameterised. This object can also be written from the bus,
which will update the LED according to the new value.
Counter Constant
: sends an integer value (configurable) to the bus when
the user touches the button. This value can be one-byte or two-byte sized, as
well as signed or unsigned. The available ranges are shown next:
1-byte
2-byte
Unsigned
0 – 255.
0 – 65535.
Signed
-128 – 127.
-32768 – 32768.
The “
state-dependent
” LED illumination mode is analogous as for the
Scaling Constant function.
Float Constant
: sends a two-byte floating point value (configurable) to the
bus when the user touches the button. The available range is -671088.625 to
670760.9375.
The “
state-dependent
” LED illumination mode is analogous as for the
Scaling Constant and Counter Constant functions.
Dimmer
: implements a one-button light control that sends orders to the KNX
bus, which can then be executed by light dimmers. These orders consist in:
Switch-on / Switch-off orders (on short presses).
