Rockwell-automation FactoryTalk Historian SE ActiveView 3.2 User Guide User Manual download pdf (Page 20)

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FactoryTalk Historian ActiveView User Guide

Database

Sets the value scale using the tag attribute values in the Point

Database. Zero is the minimum. Zero + Span is the maximum. See

the

Historian Server Reference Guide

for more information on tag

attributes.

Absolute

Allows you to type a custom value for the value scale of a tag. Type

the value in the adjacent box.

8. If you have selected Absolute, type in the Maximum and Minimum

values of the scale in the adjacent boxes.

9. Click OK.

Modifications made to a trend through use of this dialog box do not

affect the stored settings of the trend.

To return the trend scale to its original settings, click Revert on the

context menu.

View Layers

Layers can be created in FactoryTalk Historian ProcessBook displays.

Layers allow you to treat related graphical elements as a group. You can

hide or show a layer at run time. There is an interface for showing and

hiding layers this in both FactoryTalk Historian ProcessBook and

FactoryTalk Historian ActiveView.

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Rockwell-automation FactoryTalk Historian SE ActiveView 3.2 User Guide User Manual Page 20