CDA ci860 Specifications Page 352

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352 3BDS011222-510 B
The above listed are in override order.
For example you can override a value set in the Object Type by writing a value in
the Object Instance. Another example is a value set in the Object Type, the Object
Instance for presentation attribute or the Log can be overridden in the Trend
Display.
To override a presentation attribute the box for the attribute must be checked. If the
box is unchecked the default value is displayed. The default value can be a property
name or a value, depending on what is specified in the Control Connection aspect.
Engineering Units are inherited from the source. It is possible to override it.
Normal Maximum and Normal Minimum are scaling factors, used for the scaling
of Y-axis in the Trend Display. The values are retrieved from the source but are
possible to override.
The Number of Decimals are retrieved from the source but are possible to override.
The Display Mode defines what drawing style to use if Normal style is selected in
the trend display, it can be either Interpolated or Stepped. Interpolated is
appropriate for real values, Stepped for binary. See Figure 217.
When clicking Apply the log is created in the server and the sampling is started. The
button must be clicked to make a change take effect.
When choosing Momentary (raw data) as Treatment the trace can only show a
maximum of 86400 points even though more data exists.
Figure 217. Difference between Interpolated and Stepped Display Mode
Interpolated
Stepped
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