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Rockwell Automation FactoryTalk Historian SE ProcessBook 3.2 User Guide User Manual

Page 182

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FactoryTalk Historian ProcessBook User Guide

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5. In the Tag box, type the name of the tag you want to display in the

value box.

-or-

Click the Tag Search button to locate a tag,

-or-

Click the Tag Search arrow to see more search options:

Tag Search (page 231)

PI calculation (page 248) (data set)

ODBC (page 254) (data set)

AF2 (page 269) - launches the Select AF Attribute dialog box,
from which you can search an AF database for elements and
attributes.

Element Relative (page 240) - launches the Element Search
dialog box from which you can search an AF database for
elements.

The Sample area shows how the value will look.

6. In the Format list, select a number format:

Database

Database format uses the displaydigits FactoryTalk Historian
point attribute to determine how many decimal places to show. If the
length of the number exceeds the displaydigits value, scientific
notation is used. FactoryTalk Historian ProcessBook trims trailing

zeroes that follow a decimal point. The Database format option is
intended for use with FactoryTalk Historian tags only.

General

Shows all significant digits for a number except trailing zeros. If the
absolute value of the value is greater than 1e+7 or less than 1e-5,

the format will switch to use scientific notation.

Scientific

Most useful with very large numbers. The scientific format used for

trends displays in the format: 0.00E+00.