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:
Table 1 Value range – Counter type constant
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).
Step dimming orders (on long presses) and the subsequent stop order
once the button is released.
Being a one-button control, the switch orders will alternate (on/off) for every
short press, and so will do the step dimming orders (increase/decrease) for
every long press. However, there are some exceptions:
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