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The "Priority" application has 3 communication objects, a 1-bit object "Switch input", a 2-bit
object "Input priority" and a 1-bit object "Output". The telegrams received on the "Switch input"
are transferred to the "Output" depending on the state of the "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 switched 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 saved, even if the current state
on the "Output" object does not immediately change through this. If the positive drive is
terminated, a telegram transmission on the "Output" occurs according to the current value of the
"Switch input" object.
Priority objects
No.
Object name
0
Switch input
1
Priority input
2
Output
Description of application and parameters
Data type
1 bit EIS1 / DPT 1.001
2 bit EIS8 / DPT 2.001
1 bit EIS1 / DPT 1.001
Application program
Flags
C, W
C, W
C, T
│106
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