Setting up data logging, About data logging, Gathering tag data in data log models – Rockwell Automation FactoryTalk View Site Edition Users Guide User Manual
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Setting up data logging
This chapter describes:
What data logging is.
Data log storage formats.
Creating a data log model.
Working with ODBC data sources.
Creating new files at run time.
Switching log paths at run time.
Logging on demand.
Modifying existing data log models.
Starting and stopping data logging.
About data logging
Data log is a FactoryTalk View component that collects and stores tag values.
Logged data can be stored in an internal file set, or an ODBC-compliant database, and
can be:
Shown in trends. To show historical data in a trend, assign a tag from a data log model
to a pen. For more information, see Chapter 23, Setting up trends.
Archived for future use.
Analyzed using any ODBC-compatible reporting software, such as Microsoft Excel,
or Business Objects Crystal Reports.
Gathering tag data in data log models
A data log model defines which tags to log data for, when to log the data, and where to log
the data.
In the Data Log Models editor, you also specify the format of the log files (file set, or
ODBC), and when to create and delete the files (also called records).
A single data log model can log data for up to 10,000 tags.