Rockwell-automation 5370-UPK CVIM USER-PAK Option Uživatelský manuál Strana 74

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Chapter 7
Creating Custom Runtime Displays
723
To access the Define Graph menu:
Pick the Define Graph box.
Define Graph menu
Define Graph box
Upper limit box
Lower limit box
Defining the Viewport Limits Upper and Lower
The Upper and Lower boxes on the Define Graph menu enable you to set
the range for the variables plotted within the viewport. The Upper limit sets
the maximum value that the viewport can plot, and corresponds to the top of
the Graph viewport. The Lower limit sets the minimum value the viewport
will plot, and corresponds to the bottom of the viewport.
Upper limit
Lower limit
As a rule of thumb, set the Upper and Lower limits just beyond the range of
expected results of the tools being plotted.
This viewport has a narrower
range between Upper and
Lower limits
This viewport has a wider
range between Upper and
Lower limits, and thus a less
dramatic display of results
Upper limit = 50
Upper limit = 100
Lower limit = 20
Lower limit = 0
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