ABB Busch E-contact System Manual page 33

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Soft phase-in/soft phase-out
A switch-on and switch-off of lights via a dimming function. The times for the dimming
function cycle can be set by the app depending on the device. E-contact Monoblock devices
and flex inserts (e-contact and LED dimmers) have a fixed specified time (< 1 second) for
the soft phase-in/soft phase-out.
Daylight-dependent control (constant light switch in comparison to constant light control)
Depending on the version, the presence detectors offer various options to ensure that the
brightness in the room is maintained at a more pleasant level. There is a difference between
the functions of the constant light switch and the constant light control. Both functions
ensure that the brightness does not drop below a certain level when persons are in the
room. For a detailed description, see "Daylight-dependent control (constant light control)" on
page 88.
Basic lighting (only available for DALI devices)
The basic illumination can be used time-controlled or brightness-controlled. The basic
lighting, for example, is used as reducing lighting in corridors or stairwells.
The basic lighting is timed to run from 8:00 pm to 11:00 pm. If movement is detected in
this time, the device switches from the preset basic lighting value to normal light.
Alternatively, an ambient light value can be preset; when this value is undershot, the
basic lighting will be activated automatically.
Night light/anti-glare function (only available for DALI devices)
When movement is detected, the behaviour of the load output can be adjusted individually.
A time window is defined via the app during which the switch-on brightness is reduced. This
switch-on brightness can be adjusted between the basic and maximum brightness. The
function is, for example, useful when getting up during the night so that one is not dazzled
by the sudden brightness of the light that switches on automatically.
Dynamic switch-off delay
The dynamic switch-off delay is activated by app (the switch-off delay must be longer than
10 minutes; otherwise the function is not active). The function is mainly intended for
corridors. In case of little movement, not the full switch-off delay of 15 minutes is activated,
for example, but only 3 minutes. This makes sense if the corridor is crossed only briefly on
the way from one office to the next and the light should not remain switched on for the entire
switch-off delay. The movement may be detected for a maximum of 30 seconds.
Short-time pulse
The output of the device can be configured as electronic current surge switch to activate a
staircase light automaton or door bells, for example. Here, during the "On" phase, the output
is switched on periodically for 1 second or dimmed to 100% brightness and then switched
off for 9 seconds. A switch-off delay cannot be set. The short-time pulse is sent as long as
movement is detected (always 1 second, then a pause for 9 seconds, etc.). In the case of
DALI devices, the short-time pulse cannot be activated.
System Manual 2CKA001473B9577
Device Functions
│33

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