Configure a basic SA_DeviationChart symbol using ArchestrA attributes
- Last UpdatedJul 30, 2024
- 2 minute read
The basic configuration of a SA_DeviationChart symbol shows a chart consisting of 10 chart bars. Each chart bar shows the positive or negative deviation of a measured value from its target value. The symbol shows a chart heading and description, horizontal and vertical chart axis descriptions, and measured value labels.

For the sake of simplicity, this procedure shows how to configure a simple chart symbol consisting of only two chart bars.
Prerequisites
This procedure explains how to configure a basic symbol using references to ArchestrA attributes.
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Create ArchestrA objects that meet the following requirements:
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Includes an Analog PV or Actual field attribute
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Enable I/O scaling with the input clamped to the EU range
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Create an InTouch application with a window to verify that the symbol has been configured correctly.
To configure a basic SA_DeviationChart symbol
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Embed the symbol in another symbol in the Industrial Graphic Editor.
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Select the symbol.
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Show the symbol's list of Wizard options by at the right of the Industrial Graphic Editor window.
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Set NumberOfBars to Two.
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Right-click on the symbol and select Custom Properties to show the Custom Properties dialog box.
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Assign reference values to the paired BarXXActual and BarXXTarget custom properties and click OK.
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If you want, assign optional string values to the symbol's labels.
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Right-click on the symbol, select Substitute, and then select Substitute Strings.
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Enter string values into the fields of the Substitute Strings dialog box that match the default strings shown for the symbol and click OK.
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Save the symbol and check it in.
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Deploy the Galaxy containing the object with attributes that are used as reference values of the custom properties.
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Double-click an instance of InTouch ViewApp to start WindowMaker.
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Embed the symbol containing the symbol in an InTouch window.
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Run the application in WindowViewer to verify that your basic symbol configuration works correctly.