Rockwell Automation 1756-HIST2G FactoryTalk Historian ME 2.2 - Manual (Page 227)

A • F ACTORY T ALK H ISTORIAN ME R ULE E DITOR
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2. Define a description for the rule. This description displays in the FactoryTalk
Historian ME Rule Editor list.
3. In the From: section, select the source of historical data.
„
First drop-down menu
Use the default selection, LinxEnterprise.
„
Second drop-down menu
Use the default selection, LogixController. By default, FactoryTalk Historian ME
limits its discovery to 2000 tag points because the default item count in the user-
defined rule file is set to 2000 tag points when LogixControllers is selected as a
data source. The LogixController option includes all ControlLogix controllers. To
change the item count, and, therefore, change the tag point discovery limit,
change the value in the following rule in the user-defined rule file:
Rule where=”Item.Count LTE (‘2000’)”
The XML file is located in the FactoryTalk Historian ME Rule Editor install
folder (C:\Program Files\Rockwell Software\FactoryTalk Historian ME\Rule
Editor). This is the only default install folder for the Rule Editor. You must open
the file from that folder to edit it.
„
Third drop-down menu
Select one of the following:
‡
include tags
Select if this is an inclusion rule.
‡
exclude tags
Select if this is an exclusion rule.
4. In the Where: section, define the conditions of the rule.
„
First drop-down menu - Select one of the following:
‡
name
Select this option to discover tags based on a match to a tag name.
‡
member
Select this option to discover tags based on a match to a member name.
Member is the element of a user-defined tag (UDT). If you select this option,
another row of fields displays that enable you to further filter your search