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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
Physical address
)
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.
19.5.5.2
Period of validity
(Tab
Physical
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.
Summary of Contents for Busch-ComfortTouch
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