L-DALI User Manual
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LOYTEC
Version 5.2
LOYTEC electronics GmbH
2.
Select the math object in the data point list.
3.
Right-click and select
Configure Math Object …
from the context menu.
4.
Edit the math object as described in Section 7.14.1.
5.
To replace an input data point by another input data point without re-writing the entire
formula, click the
Replace Input DP …
button. This opens a data point selector
dialog. Select the replacement data point there.
6.
To detach an input data point click the
Detach Input DP
button. This leaves the
respective variable slot empty.
7.
To finalize the edit click on
Save Changes
.
7.15 Historic Filters
7.15.1 Create Historic Filters
Historic filters are used to work with historic values of a base data point. These historic
values are derived by defining historic filter functions. An historic filter template is a
collection of such filter functions and can be assigned to any analog, binary, or multi-state
base data point. For more general information on historic filters refer to Section 6.4.6.
To Create Historic Filters
1.
Select one or more data points that shall serve as the base data points.
2.
Right-click and select the
Configure Historic Filters …
item in the context menu. As
an alternative, click on
of the
Historic Filter
data point property.
3.
The dialog
Select Historic Filter
opens. Click on
to create a new one.
4.
In the
Create Historic Filter
dialog enter a name and optionally a description.
5.
To add a new filter function to the list click on the add button
. Enter a filter entry
Name
and choose the desired period
Type
. The name will appear with the historic
filter relation and helps identifying it. Depending on the type define the arguments
Day
and
Time
. Select how many
samples ago
the filter goes back. The most current sample
is ‘0’, the previous one is ‘1’.
