Operation Manual

Roll-ZAS

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received from the dimmer once ZAS sends the dimming orders due to button

presses). The display will show, between the two buttons, the current value of

this status object

Parameterising this function is analogous to the already explained for the 2-

button dimmer function, although the LED lighting will only show the options

Regular lighting (the LED behaves normally, switching on for a few instants

as the button is pressed) or state-dependent (the button LED will light while

the ON/OFF object is “1” and will remain off when it is “0”). Moreover, as only

one button is available here for performing the light dimming, the switch-on

and switch-off orders (short press), and the increase/decrease orders (long

press) will alternate after every press.

Timer: this functionality allows sending a binary value ("1" or "0") or a scene

number to the KNX bus at a certain time, as a single sending (one-time

execution), as a periodic sending or after a countdown time. The binary value

is sent out through the "[Px][By] Timed switch control" object, while scene

values are sent through the general scene sending object.

It is possible to configure the timer type by selecting one of the following:

 One-time Execution. The parameterised value ("0", "1" or a scene) will be

sent once through the corresponding object.

 Periodic. The parameterised value ("0", "1" or a scene) will be sent daily

through the corresponding object.

 Countdown. The parameterised value ("0", "1" or a scene) will be sent

through the corresponding object once the countdown expires.

For these values to be sent, it is necessary that the user enables the timer

and sets when the sending must take place. This can be done by performing

a short press over the corresponding button (each press switches the state:

disabled/enabled) or by sending the value "1" through the "[Px][By] Timer

enable" object, which shows up for this purpose only for one-time and

periodic timers (note that the enable/disable options are not available for

countdown timers). If the timer has been enabled, the display will show an

intermitting label with the timer information – the name of the button and the

trigger time. Besides, the LED of the button will stay ON. If the timer is