WAGO 750-830 Manual page 201

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Priority Array
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To reset a task, a WriteProperty containing the value ZERO must be resent. If
all priority levels are assigned the value ZERO, the standard value will be as-
sumed.
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
1 UP
2
3
UP
4
5
6 UP
7 DOWN
8
9
1 NULL
2
3
NULL
4
5
6 NULL
7 DOWN
8
9
1
2 UP
3
UP
4
5
6 DOWN
7 DOWN 600 sec.
8
9
Fieldbus Communication
The change to the value "UP", with priority
"1", has precedence and is registered as the
Present_Value in the object.
The value "UP" is assigned priority level
"6", which is intended for time-limited off
and on switching. The blinds are pulled up.
The time of the change in status is recorded
and the 5 minutes of the minimum switch-
ing time begin.
If, after some time, the priority level "1" is
overwritten with "ZERO", the status of the
minimum on/off switching time is also
DOWN
overwritten with ZERO and reset.
The value in the next higher priority level
"7" is taken over as the "Present_Value"
with "DOWN".
While the Minimum_Off_Time is running,
no switching can take place. Not even a
switching process with a higher priority of
"2" can cause a change in status.
Not until the Minimum_Off_Time of 10
minutes has passed will the value pick up
the higher priority. In this case, the blinds
go up ("UP").
• 201
BACnet/IP