Art. No. DS 4092 TS
Signalling the programming mode
As soon as the programming mode is activated by pressing the programming button on the
device or by a corresponding object service telegram (e.g. the ETS), the buzzer outputs a
pulsating tone at a frequency of approx. 0.5 Hz. The tone output continues while the
programming mode is active.
i
The tone output in the programming mode is always at maximum volume.
Signalling of an alarm
The device permits signalling of a alarm which might be, for instance, a burglar or a fire alarm
from a KNX central alarm unit. If the alarm message has been activated, the buzzer outputs a
pulsating tone at a frequency of approx. 2 Hz at a volume configurable separately for the alarm
message. In addition, the red Status LEDs always flash cyclically at the same frequency.
The signalling of an alarm can be enabled separately by the parameter "Alarm function" on
parameter page "PB/RK - Buzzer".
When alarm signalling is enabled, the ETS displays the communication object "Switch alarm"
and further alarm function parameters. The object "Switch alarm" is used as an input for
activating or deactivating the alarm message. The polarity of the object can be selected. When
the object value corresponds to the "Alarm" state, the buzzer outputs the alarm tone. The alarm
function then overrides acoustic signalling with lower priority (see page 86). The buzzer only
executes signalling with lower priority again as intended after the alarm signalling function has
been deactivated.
Apart from the possibility of deactivating an alarm message via the alarm object, it can also be
deactivated locally on the device by operating the rotary knob or pressing the push-button. The
parameter "Reset alarm message by operation?" defines the acknowledgement response
during an alarm…
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If this parameter is set to "Yes", an active alarm message can be deactivated by operating
the rotary knob or pressing the push-button. This does not cause the configured operating
function to be executed. The device only executes the intended operating function after a
subsequent operation (Switching, dimming...).
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If "No" has been selected, an alarm message can only be deactivated via the object
"Switch alarm". An operation on the device always executes the configured button function
immediately.
If an alarm message can be deactivated by an operation on the device, the parameter
"Acknowledge alarm message by" defines whether an additional alarm for acknowledging the
telegram should be transmitted to the bus via the separate object "Acknowledge alarm" after
resetting the alarm.
Such an acknowledge telegram can be sent, for instance, via a 'listening' group address to the
"Switch alarm" objects of other rotary sensors or push-button sensors with the same alarm
functionality in order to reset an alarm status there as well. Attention must be paid during
resetting of an alarm to the selectable polarity of the acknowledge object.
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It is possible to disable the rotary knob or push-button. It should be noted that an alarm
message is not possible by a disabled rotary knob or disabled push-button!
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The extension inputs cannot acknowledge an alarm message.
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Notes on the polarity of the alarm object: If the setting is "'0' = alarm / '1' = reset alarm", the
alarm object must first be actively written by the bus with "0" to activate the alarm after a
reset or after programming with the ETS.
i
An active alarm signal is not stored so that this is always deactivated after a device reset or
after programming with the ETS.
Page 87 of 143
Software "Rotary sensor with extensions 10FE1x"
Functional description
