ABB COM600 series Data Historian Operator's Manual page 63

1MRS756739 COM600 series, Version 5.0
Data Historian Operator's Manual
Column header Description
Pointer value If trend values have been requested for the chart, the time pointed to is
displayed in the column heading and the column's rows show the corres-
ponding calculated values.
For linear plot styles, the trend value is created by interpolating. If step
styles, the trend value is the actual value of the point.
The unit of the trend value in the sum and integral tables does not equal
the unit of the current value shown in the legend.
Lower limit The individual lower scaling limit of the variable's plot area.
Upper limit The individual upper scaling limit of the variable's plot area.
Average The average of the values retrieved to the screen.
Deviation The deviation of the values retrieved to the screen.
Minimum The minimum of the values retrieved to the screen.
Maximum The maximum of the values retrieved to the screen.
Filter The filtering syntax currently applied to the variable. See 5.2.3, Using the
filter functionality for more information.
Table 5.2.2-3 Activation buttons
Button Description
To temporarily hide an item and its subitems in the plot area, click its
icon in the legend. The icon changes into the same color as the back-
ground while the item row is dimmed. Clicking the icon again displays
the plot and the row is visible again.
Subitem is a limiter statistic item associated with a main item. All its
parameters are defined on the main item. The icon of the subitem shows
its graph style in the plot area.
To temporarily hide the subitem in the plot area click its icon in the
legend. Clicking the icon again displays the plot.
This value is not refreshed automatically on the screen.
This value is not refreshed automatically on the screen.
This value is not refreshed automatically on the screen.
This value is not refreshed automatically on the screen.
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