Rockwell Automation 1756-HIST2G Historian ME 2.1  User Manual

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specification is one work shift (for example, 8 hours). Duplicate values will be

archived if the elapsed time exceeds CompMax. You typically set CompMax

to the same value for all points in the system.

For Digital or String points, only the compression maximum and compression

minimum attributes are important. FactoryTalk Historian ME ignores the

compression deviation specification for them.

6. Click [OK] to save the file and return to the Tag Attribute File List dialog box. By

default, tag attribute files are stored in the same location as the rule file. Tag

attribute file names have a TCFG prefix. The tag attribute file is displayed in the

Tag Attribute File List dialog box where you can open it for editing or delete it.

7. After the tag attribute file has been created, you must upload the file to the

FactoryTalk Historian ME. You must have administrator privileges to upload

files.

After you create the Tag Attribute file, go to the FactoryTalk Historian ME web

interface. Select Advanced in the top navigation, then click Upload Management,

and upload the file to the FactoryTalk Historian ME. You must have administrator

privileges to upload files. Ensure that you select the proper file type for the uploaded

file. Select DiscoveryRuleFile from the drop-down menu for rule files, and select
TagAttributeFile

for tag attribute files.

See “Compression Filtering” for more information.

You must select the File Type that matches the uploaded file:
AutoDiscoveryRuleFile or TagAttributeFile

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