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3.4.2. ALARMS

The Alarms page allows up to 8 independent alarm states to be monitored, such as the warning

conditions that may arise in a KNX installation, for example, broken window, gas, smoke, flooding.

With this aim, the communication objects associated to the enabled alarms must be properly linked

to the communication objects of the external KNX detection device that emits the warning.

Figure 3.21: Alarms configuration

For each enabled box in the alarm page, the following parameters can be configured:

Label: Descriptive name used to label the alarm.

Trigger: Select the value, “0” or “1”, which will trigger/activate the alarm. This value will

depend on the configuration of the KNX detection device which emits the warning. When the

Z41 receives the specified value via the object “[Alarms – Box y] Alarm” the corresponding

alarm is activated.

Periodic monitoring: The state of the warning device will be periodically monitored by

enabling this parameter. This parameter assures the detection of incidents in the quickest

time possible and that the detection device is working correctly. If this parameter is set to

"Yes" a new parameter appears: Cycle time. This parameter is used to specify the period, in

minutes, during which the detection device must send a value to the object “[Alarms – Box y]

Alarm”. The value expected is the opposite of the specified trigger value. If the detection

device fails to do this within the time specified, the Z41 assumes that the warning device is

not functioning correctly and the alarm will be activated.

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