Zennio Z35, Руководство пользователя, Страница: 74 / 98

Z35
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Trigger [ 1 /0 ]
: defines the value that will trigger the alarm (“0” or “1”; it is “1” by
default), i.e., the value that, when received through
“[Pn][Bi] Alarm Trigger”
,
should be interpreted by Z35 as an alarm situation. Implicitly, this parameter also
defines the inverse “no alarm” value.
Periodic Monitoring [ No / Yes ]: activates or deactivates periodic monitoring of
the alarm trigger object. When activated, the following parameter appears:

Cycle Time [
30…65535
][ s ] [ 1
…65535
][ min /h ]: sets the maximum accepted
time space without receiving the “no alarm” value before Z35 adopts the
alarm situation.
Example I :
supposing a certain sensor responsible for sending the value “1” (once) to
the bus when a flood is detected, and the value “0” (again, only once) when such situation
terminates, if the object sent is linked to the alarm trigger object from an alarm box in
Z35 where no periodical monitoring has been parameterised and where the value “1”
has been set as the alarm value, then Z35 will notify an emergency every time a flood
takes place. The notification will stop as soon as the user touches any button, although
a warning icon will still blink on the screen. After that, if the user acknowledges the alarm,
the icon will stop blinking; switching then off once the sensor sends a “0”.
Example II : suppose a certain CO
2
sensor responsible for sen
ding the value “0” to the
bus every two minutes, except when it detects a dangerous CO
2
level; in such case, it
will immediately send the value “1”. If the object being sent is linked to the alarm trigger
object from an alarm box in Z35 where periodic monitoring has been parameterised and
where the value “1” is configured as the alarm trigger value, then Z35 will notify the user
about the emergency both if the CO
2
level reaches a dangerous level and if the sensor
stops sending the value “0”, for example due to failures or sabotage. The user should
proceed in the same manner as in the above example to manage the alarm notification .
3.3.2.5.6 Page Direct Link
This control allows a shortcut to the page indicated by parameter. To configure a box as
a page direct link type control, the page to be accessed and the icon and color of the
button must be set.