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2 Visual Components Manuals

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Introduction to <strong>Visual</strong> <strong>Components</strong> 2.3<br />

Enables scaling for this output field<br />

Scaling Active<br />

Scaling<br />

If this option is selected, the value in the output field is scaled; otherwise, the actual numeric<br />

value of the process variable is shown as the extension of the bar in pixels.<br />

The other fields under this tab are only enabled when this option is selected.<br />

PLC Value Range<br />

Specifies the allowed value range of the connected process variable on the PLC. The range set here is<br />

scaled to the length of the bar for the display of the value in the ouput field. If the connected variable<br />

has the value set under '0% Value,' then the bar will be displayed as empty. If the connected variable<br />

has the value set under '100% Value,' then the bar will appear filled−in.<br />

0% Value<br />

100% Value<br />

Specifies the lower limit of the permitted value range for the process variable on the PLC.<br />

Possible Settings Corresponds to the value range of the connected process variable.<br />

Specifies the upper limit of the permitted value range for the process variable on the<br />

PLC.<br />

Possible Settings Corresponds to the value range of the connected process variable.<br />

For the general operation of dialog boxes.<br />

OK<br />

Cancel<br />

Buttons<br />

Applies settings and closes the dialog box. If settings cannot be applied because of an error, it is<br />

indicated and the dialog box is not closed.<br />

Note:<br />

All changes are applied, including those made under different (hidden) tabs.<br />

Closes the dialog box and discards any changes made.<br />

Warning:<br />

All changes will be discarded, including those made under different (hidden) tabs.<br />

Help Displays help for this tab.<br />

3.2.3.5 Bar Graph Output Field − Reference 99

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