KNX Technical Reference Manual
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KNX Yucus
79
"Input priority" object.
The 2-bit object "Input priority" can receive and differentiate between four different values
(0, 1, 2 and 3). Here, the "Output" object is positively driven. Three different states are
differentiated: - "Input priority" has value "3": the value that is present on "Switch input"
has no meaning. The "Output" is switched to positively driven and has the value "1".
– "Input priority" has the value "2". The value that is present on "Switch input" has no
meaning. The "Output" is switch off positively driven and has the value "0".
– "Input priority" has the value "1" or "0". The "Output" is not positively driven. The "Switch
input" is linked to the status bit of the priority object OR and transferred to the "Output".
During a positive drive, changes of the "Switch input" object are save, even if the current
state on the "Output" object does not immediately change through this. If the positive drive
is terminate, a telegram transmission on the "Output" occurs according to the current
value of the "Switch input" object.
12.25.1
Object no
Object name
Data type
Flags
Priority input
2 bit DPT 2.001
C, W
Output
1 bit DPT 1.001
C, T
12.26
Application “Logic gate”
12.26.1
Channel – Logic function
Options
AND
OR
XOR (exclusive OR)
XNOR (exclusive NOR)
NAND
NOR
The "Logical function" parameter specifies the function that shall be execute between the
input objects and the output object. The default setting is always an AND element.
12.26.2
Channel – Number of input objects
Options
1 to 10
Up to ten input objects can act on every logical function. The input objects are enable
with the "Number of input objects" parameter.
Note: If the parameter is set to "1", the logical function works as NOT element.
12.26.3
Parameter input 1 – Object type input 1
Options
1 bit
1 byte
