ABB i-bus EIB Product Manual page 152

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ABB i-bus EIB / KNX
© 2006 ABB STOTZ-KONTAKT GmbH
Commissioning
Condition
Options: A, B (always) /
>A, >B (new entry) /
A<>B (hysteresis)
The conditions for triggering a group are defined under Condition.
Option: A, B (always)
The entry A, B (always) means that the group is always triggered if the
trigger value lies in the range A or B. If e.g. a telegram would be received
several times with the same value or with values in the same range, the
group would be triggered after each transmission.
If the temperature value of 21 °C is transmitted several times in succession,
the group is activated each time and telegrams are thus sent each time to
open the blinds and to switch off the air conditioning and lighting.
Option: >A, >B (new entry)
The entry >A, >B (new entry) means that the group is only triggered if the
trigger value is located firstly in Range A or Range B. If the same value is
sent several times to the Application Unit Time ABZ/S 2.1, the group is only
triggered on the first transmission.
If the group was finally triggered by the transmission of a temperature value
in Range A, e.g. 21 °C, then values were sent outside Range A e.g. 23 °C
and then again a value in Range A such as 21 °C, the initial transmission of
the value 21 °C activates the group and telegrams are sent to open the
blinds and to switch off the air conditioning and lighting.
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