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In this example, a Celsius temperature acquired from a remote tag will be converted to Fahrenheit using the [Scale Mode] feature.
a) Create two [INT] tags named ‘Celsius’ and ‘Fahrenheit’. Enter the I/O Device and address as shown below (Note: In this example, the user has already defined an I/O device named “PLC.STATION”. If your I/O device has a different name, then enter that name into the “I[I/O Device” Device] field. Likewise, if the I/O address format is different, then use the correct format for your PLC).
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b) Go to the [Advanced] tab in the editing menu for the ‘FAHRENHEIT’ tag. In the [Scale Mode] drop-down menu select the ‘Linear Slope’ [Linear Slope] option, then enter “1.8” for Scope [Slope] and “32” for [Intercept].
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c) Go to [Insert] – [Textbox] and draw two text boxes on the main screen. Select these textboxes, then open the [Property Editor] tab and expand the [Appearance] tab. In this tab, select the ‘Text” [Text] field and click the icon. This will open the [Binding Properties] tab. In this window, click the
icon to assign the desired tag. Assign the ‘Celsius’ and 'Fahrenheit’ tags to their respectiv text boxes.
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