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ABB i-bus
KNX
Commissioning
Limit number of telegrams
Options:
This parameter limits the device-generated bus load. This limit relates to all telegrams sent by the device.
•
Yes:
No
Yes
Dependent parameters:
Maximum number of sent telegrams
Options:
1...20...255
In period
Options:
50 ms/100 ms...1 s...30 s/1 min
This parameter defines the number of telegrams sent by the device within a certain period of time.
The telegrams are sent as quickly as possible at the start of a period.
Note
The device counts the number of telegrams sent within the parametrized period. As soon as the
maximum number of sent telegrams is reached, no further telegrams are sent on the KNX until
the end of the period. A new period commences at the end of the previous period. The telegram
counter is reset to zero, and sending of telegrams is allowed again. The current group object
value at the time of sending is always sent.
The first period (break time) is not precisely predefined. It can be anywhere between zero
seconds and the parametrized time. The subsequent sending times correspond with the
parametrized time.
Example
Maximum number of sent telegrams = 5, period = 5 s. 20 telegrams are ready to send.
The device immediately sends 5 telegrams. The next 5 telegrams are sent after a maximum of
5 seconds. From this point, a further 5 telegrams are sent via KNX every 5 seconds.
SUG/U 1.1 | 2CDC508171D0201 17
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