Rockwell-automation FactoryTalk View Site Edition Users Guide Uživatelský manuál stáhnout pdf (Strana 624)

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FACTORYTALK VIEW SITE EDITION USER’S GUIDE

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Displaying the difference in pen values for two points

The delta value bar works with the value bar to show the difference in value between two

x-axis points for standard and XY Plot chart types.

To show the delta value bar

1. Right-click the trend chart, select Active value bar, and then click Value.

2. Click the trend where you want the value bar to appear.

3. From the shortcut menu, select Active value bar, and then select Delta.

4. Click the trend where you want to see the difference between the value at the value

bar’s data point and the value at the delta value bar’s data point.

To move the delta value bar

1. Right-click the trend, select Active value bar, and then click Delta.

2. Click the trend chart at the position where you want to know the difference between

the value indicated by the value bar, and the value indicated by the delta value bar.

To remove the delta value bar

 Right-click the trend, and then select Show value bar.

The value of the

data point at the

value bar’s

position

The difference

between the

value bar’s data

point and the

delta value bar’s

data point

The delta value

bar

The value bar

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Rockwell-automation FactoryTalk View Site Edition Users Guide Uživatelský manuál Strana 624

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