Movement Detector - ABB Busch-priOn Series Technical Reference Manual

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Movement detector

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The movement detector application can trigger telegrams on the bus when a movement is detected in the detection zone.
Telegrams can also be sent on the bus when telegrams are received on the 1-bit communication object "External pushbutton
input". This means that a unit can be activated by additional KNX devices as if a movement was detected. The time for
sending out a telegram depends especially on the operating mode that has been set.
The movement detector can operate in the following modes: "Signaling", "Automatic time control", "Semi-automatic" or
"Automatic".
In the "Signaling" mode the movement detector is in the position to send telegrams cyclically on the "Start movement" 1-bit
communication object.
In the "Automatic time control" mode the movement detector must be activated manually via the receipt of an ON telegram
on the "External pushbutton input" object. The device switches off after the specified light-on time beginning from the most
recent detection or manually.
In the "Semi-automatic" mode the movement detector switches on automatically when detecting a movement. It switches off
at the receipt of an OFF telegram on the "External pushbutton input" object. The movement detector switches off
automatically after 6 hours.
In the "Automatic" mode the movement detector switches on automatically when detecting a movement. It switches off after
the specified light-on time beginning from the most recent detection or through the receipt of an OFF telegram on the
"External pushbutton input" object. When switching off manually the detection of movement is suppressed for the
parameterised pause time via the internal sensor.
The movement detector can be activated permanently via the "Switchover of external pushbutton input" 1-bit communication
object. The function can, for example, be used during cleaning actions to cause all the movement detectors to activate
themselves even when no movement was detected.
If a movement detector works in an operating mode with light-on time, this can be adjusted during operation via a separate
communication object. This would allow different light-on times to be used for mornings and for evenings.
The behaviour can be adjusted so that no undefined state arises after a bus voltage failure and subsequent return of bus
voltage.
The movement detector can be blocked via an enable object.
The movement detector can switch brightness-dependent or brightness-independent. The setting parameters can be used to
adjust the threshold value of the light sensor. The brightness threshold can also be adjusted via communication objects via
the bus.
KNX Technical Reference Manual | 0073-1-7388 | 37