ABB L240 Series Installation, Commissioning & Operation page 48

Security technology knx-intrusion alarm system
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Configuration and Programming by the Engineer
The independence of the areas from one another should be predefined in
every area:
Area-1 Masters
Area 2-Off
Area 1 is not a sub-area of area 2 (off) and
Area-2 Masters
Area 1-Off
Area 2 is not a sub-area of area 1 (off)
There are also applications where the sequence of the setting/unsetting
operations of the individual areas must always be the same. Area 2 can only
be set if area 1 is set, and after area 2 is unset, area 1 will continue to
remain set. Unsetting area 1 is not possible if area 2 is set.
Definitions
The panel with the 10 circuits is always allocated to area 1 (sub-area). A
sub-area is a setting area that has to be set beforehand, before the main
area assigned to it can be set. In practice, this means that the panel must
always be installed in the sub-area. This guarantees that it is always in the
protected area as soon as an area is set.
Example:
In a building, both the apartment (area 2/main area) and the office (area
1/lower level) of the owner are located. The office also has an external
access door. It is necessary to ensure that the building alarm can only be set
externally if the office has been externally set beforehand. Should the
building intruder alarm be disarmed, the office will remain set.
Area 1 (office) should be selected beforehand and operated as a sub-area of
area 2 (apartment):
Area
Number 1
01=Master Areas
02=Ext Alarm TX.
Area-1 Masters
Area 2-On
Area 2 (apartment) should be selected thereafter and operated as a sub-
area of area 1 (office):
Area
Number 2
01=Master Areas
02=Ext Alarm TX.
Area-2 Masters
Area 1-Off
Buttons 0 1 for selection of master areas
Buttons 0 1 for selection of master areas
48

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