Two Objects (Short Press / Long Press): permits sending specific binary
values both after a short or a long press on any of the two buttons (i.e., they
will work as a joint control; for independent buttons, please configure them as
individual). Different objects will be used for the short and long presses.
Moreover, it is possible (in parameters) to make the “state-dependent” and
“state-dependent (both LEDs)” LED illumination modes (see ANNEX I. LED
Illumination Modes) depend on either one object or the other. However, if
LED Illumination Control (All Buttons) has been set to “state-dependent
(where available)” only the short press object will be considered
Dimmer: short-pressing one of the two buttons will make Flat / Flat 55 send a
switch-on order to the bus, while doing so on the other button will make it
send a switch-off order.
Long presses will make it send a step dimming order (the value of which is
configurable) to make a dimmer increase or decrease the light level (and a
stop order as soon as the user releases the push button). It is possible to
configure which button does what.
Under a “state-dependent” LED illumination (see ANNEX I. LED Illumination
Modes), the LED of the corresponding button will remain on/off according to
whether the current value of the light level status object (which should be
updated by the actual dimmer) is greater than 0% or not. On the other hand,
under a “state-dependent (both LEDs)” LED illumination, both together will
remain on or off depending on such value.
Shutter: this option permits making use of the two buttons to control a shutter
actuator connected to the bus. Two alternative control methods are possible:
Standard: a long press will make the device send to the KNX bus an order
to start moving the shutter (upwards or downwards, depending on the
button), while a short press will make it send a stop order (which will be
interpreted as an order to step up or to step down –depending on the
button– if the shutter was not in motion and such function is available).
Hold & Release: as soon as the button is held, the device will send the
KNX bus an order to start moving the shutter (upwards or downwards,
depending on the button). Once the button is released, it will send an order
to stop the shutter.
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