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Rockwell Automation Publication 2711P-AP006C-EN-P - November 2018
99
Optimize Runtime Performance
Chapter 9
The tag converter wizard (TCW) automatically converts tags in an application
from HMI tags to direct reference tags.
About the Tag Converter Wizard
The tag converter wizard (TCW) requires information from an existing
application to perform the conversion:
• Exported HMI tag database
• Exported displays (xml format)
• Exported alarms (xml format)
When this pre-conversion information is available, you can run the wizard.
The wizard examines the HMI tag database to determine which tags to convert
to alias tags or direct reference tags.
Remote I/O Applications
The HMI tags are substituted with the alias or device tags in the display and
alarm xml files. When the conversion is done, a Convert_Log.txt file is
generated. This file indicates all tag substitutions on a display-by-display basis.
A new set of display and alarm xml files are created that you can import into
your migrated application. The original display and alarm xml files are
unaltered.
Non-Remote I/O Applications
For all non-Remote I/O applications, HMI tags are converted to direct
reference tags regardless of scale, offset, and min/max values. This conversion
includes Ethernet, DF1, DH+™, and DH-485 applications.
TIP
You can download The TCW utility from the Knowledgebase.
See Technote 31289.
IMPORTANT
The tag converter wizard converts HMI tags to device tags. It does not
convert device tags to HMI tags. Back up your application before starting
the conversion. The conversion alters the original displays when imported
into your new application.
IMPORTANT
For Remote I/O applications, HMI tags that use custom scale and offsets are
not converted. Any alias tags with initial values assigned are not converted.
You must manually set the custom scale, offsets, and initial values for these
tags, for objects to operate correctly.
IMPORTANT
Memory tags are not converted. You must convert memory tags manually
before running the Tag Converter Wizard.
Содержание PanelView Plus 7
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