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Gate: The "Gate" application allows specific signals to be filtered and the signal flow to be
temporarily blocked. The function has three communication objects: "Control input," "Input"
and "Output". The input or output object can assume different sizes.
The bit size can be freely assigned with the "Not assigned" setting. This means that the first
internal or external group address/action that is assigned and already connected to some
other communication object will specify the size.
The control can occur from "Input to output" or also from "Output to input," provided the
control input allows this. Enabling via the control input can occur via an ON or an OFF
telegram.
If, for example, the "Control input" setting is set to "ON telegram," only telegrams from the
input are transmitted to the output, if prior to this the control input has received an ON
telegram.
It is also possible to block signals via the "Filter function" setting. Either "nothing is filtered
out" or the signal "ON is filtered out" or the signal "OFF is filtered out". This function is
always necessary, for example, when only the ON telegram is interesting for a sensor and
the sensor does not offer any filter function in its application program.
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Delay: Telegrams can be received via the "Input" object using the "Delay" application. The
telegrams received are sent out on the "Output" object with a set delay time. The object
types for "Input" and "Output" can be collectively parameterised for the different
applications.
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Staircase lighting: With the "Staircase lighting" application, switching telegrams or value
telegrams can be provided with a switch-off delay. Depending on the parameterisation, the
application shows different communication objects:
–
A 1-bit object for input and output
If an ON telegram is received via the "Input/Output" object, the switch-off delay is started
immediately.
This can be a switch-off delay of 10 seconds to 88:45 minutes, which is adjustable in 1-
second steps. After expiration of the switch-off delay, the "Input/Output" object sends an
OFF telegram.
–
Two 1-bit objects for input and output
–
Two 1-byte objects for input and output
If a telegram is received via the "Input" object, the switch-off delay is started immediately
and a telegram with the same value of the telegram received on the input is sent out on
the "Output" object. This can be a switch-off delay of 10 seconds to 88:45 minutes,
which is adjustable in 1-second steps. After expiration of the switch-off delay, the
"Output" object sends out an OFF telegram (1-bit) or a telegram with the value "0" (1-
byte).
Via two additional communication objects, it is possible to specify the switch-off delay
and the switch-off prewarning time. The values received are written to the memory of
the device and are retained even after a power failure and subsequent return of voltage.
KNX Technical Manual 2CKA001473B8667 │ 06.02.2017
Description of application and parameters
Application: "Logic functions"
│164
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