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24
24
a) PAIR BUTTONS
The options for pair buttons are the following:
Note:
For all the cases listed below it is possible to select, through the parameter
Icon
, what pair of
icons should be drawn, pixel by pixel, over the representation of each button in the display. To
check the list of available icons, please consult the Annex I of this manual.
Switch:
enables the 1-bit communication object "[Px][Byz] Binary control" for each pair,
which will send value "0" or "1", depending on the button that is pressed. This option allows
setting a name for the functionality associated to the buttons, and a text message for actions
Switch On and Switch Off.
Parameter
LED lighting
indicates if the pair of buttons will have a Regular lighting (while a
button is being pressed, the corresponding LED will stay on for a few instants), a State-
dependent lighting (depending on the current value of object "[Px][Byz] Binary control", the left
or the right LED will remain on indefinitely) or a State-dependent (both LEDs) lighting (both
LEDs will stay on or off simultaneously, depending on the value of the object).
Dimmer:
3 communication objects are enabled: "[Px][Byz] Light On/Off", a 1-bit object to
switch on/off a source of light; "[Px][Byz] Light dimming", a 4-bit object for dimming the
luminosity, and "[Px][Byz] Light indicator", a 1-byte object to indicate, in percentage, the
luminosity status (0%=Off, 100%=On). In the Display, the status sent by the dimmer will be
shown, as a percentage between both buttons.
Light dimming is carried out as follows:
Off/Decrease button: a short press switches the light off ("[Px][Byz] Light On/Off"=0).
A long press sends an order to decrease the luminosity level, according to the dimming
step configured, which is followed by a stop order (0x00 in this case) as soon as the
button is released.
On/Increase button: a short press switches the light on ("[Px][Byz] Light On/Off"=1). A
long press sends an order to increase the luminosity level, according to the dimming step
configured, which is followed by a stop order (0x08 in this case) as soon as the button is
released.
It is possible to customize the name of the associated functionality and to select the desired
Dimming step
, in percentage (see Table 3.1).
