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acknowledgements are always sent on the main/area line
after the receipt of each telegram, irrespective of whether
they are located in a different area or not. No acknowled-
gement is sent if the setting Answer with confirmation is
selected.
19.5.5
Multicast
19.5.5.1
IP --> KNX Confirmation of
physically addressed telegrams
(Tab
The parameter IP --> KNX Confirmation of physically
addressed telegrams specifies when a confirmation is sent,
upon receipt of a physically addressed telegram on the
Main/Area line.
At setting Normal an acknowledgement is sent only when
the telegrams were transferred to the subordinate side (e.g.
because the addressed device is connected to the subordi-
nate side of the IP router). At selection All acknowledge-
ments are always sent on the main/area line after the re-
ceipt of a telegram, irrespective of whether they were
transferred to the subordinate side or not. An acknowled-
gement is never sent if the Answer with confirmation is
selected.
Period of validity
19.5.5.2
address
Parameter Period of validity functions similar to the rou-
ting counter in KNX-TP telegrams. It defines the number
of routers that can be passed by a KNXnet/IP telegram
before it is no longer transferred. The default value is 16.
The KNXnet/IP telegram is sent with this value and each
IP router reduces this value by 1, provided the telegram is
transferred. On the 16th router the telegram is no longer
transferred since the value of the Period of validity has
been reduced to 0.
Physical address
(Tab
)
)
Physical
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