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To define a scaling object
- Select the
appropriate item in the Objects
menu, typically Measure Points
or Rectangular Field. The Object Browser
dialog box appears.
- Select Scaling and type a unique name in the
Name box and, optionally, a description.
- If you want
to make the scaling object available in all areas, make sure that Global
is selected.
- Click OK. The scaling object properties dialog box
appears.
- On the Scaling Specification tab, enter up
to 10 sets of values in the I/O value
and Real value columns.
- Click the
Display tab to specify what you
want to display along with the .
- You may want
to clear the Selectable check
box to prevent the operator from selecting the scaling object.
How?
- Click the
Symbol Definition tab to choose
the color and symbol to represent the object.
- If you chose
Rectangular Field or one of the
Standard Descriptors, this tab
does not appear.
How?
- Click OK to save the scaling object.
A
minimum of two sets of values must be entered.
The
I/O values must consist of whole numbers in increasing order.
The
real values are floating decimal points and can be given in free format,
not necessarily in increasing order. They are displayed as floating decimal
points, a conversion done automatically by the system when whole numbers
are entered.
Plan the use of scaling objects early in the configuration
process as a scaling object may be re-used any number of times. If a scaling
object is changed after being linked to analog or table objects, the change
will affect all objects which use it.
See Also
What is a scaling object?
The Scaling Object Properties form
To scale analog or table objects
To change scaling object properties
Example: Using a scaling object to convert Fahrenheit to Celsius
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