Rockwell Automation FactoryTalk Historian SE DataLink 4.2 User Guide - Manual (Page 25)

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Historian server at a time, although you may need to specify the target server
when you define a FactoryTalk Historian DataLink function.
Graphic Function Components
FactoryTalk Historian DataLink provides a graphical user interface to build
functions in Excel. Common dialog box features make it easy to supply
arguments to define the function.
The tool used to build a function depends on the version of FactoryTalk
Historian DataLink installed:
 The add-in for Excel XP-2003 provides dialog boxes (page 13) to
define functions.
 The add-in for Excel 2007 provides task panes (page 9) to define
functions.
 Advanced users familiar with FactoryTalk Historian DataLink and the
FactoryTalk Historian server can type function syntax (page 101)
directly into the Excel formula bar.
The following sections describe common features in FactoryTalk Historian
DataLink function dialog boxes and task panes, how real-time data is
acquired and presented, and how FactoryTalk Historian DataLink functions
can be used within a spreadsheet.
Entry Fields
Labeled entry fields accept specific arguments used to define a function.
Most arguments may be entered directly, or referenced in spreadsheet cells.
While the options differ by argument, all entry fields allow one or more of
the following choices:
 Type text directly in an edit field , such as a tag
name or the address of an output cell.