RSView Supervisory Edition Installation Guide

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• • • • •RSVIEW SUPERVISORY EDITION USER’S GUIDEYou can set up an application to create new file sets:• periodically.• at specified times.• when a particular event occurs.You can also select Never, in which case all data is logged to one file set. Log files aresaved in the folder you specify on the Paths tab.Deleting file sets and ODBC database recordsIf a data log model uses file sets, you can set up file management to delete file sets after aspecified period or once a specified number of file sets has been created. If you neverwant file sets deleted, clear the check boxes under Delete Oldest Files.Data log file sets are deleted only when a new file set is created. If the application createsa new file set each day and deletes the oldest file set every third day, there will be file setsfor the three previous days’ data, as well as a file set for the current day.If a data log model uses the ODBC database format, you can purge old records from thedatabase using standard relational database tools or SQL queries. You can also set upRSView to delete (purge) records in the ODBC database after a specified time.For more information, see Help.Specifying when to log dataIn the Log Triggers tab of the Data Log Models editor, you specify what will trigger datato be logged and when or how frequently this will occur. You can set up logging so tagvalues are logged:• periodically (periodic logging).• only when a tag’s value changes (on-change logging).• when a particular event occurs and triggers the DataLogSnapshot command (ondemandlogging). For for more information about the DataLogSnapshot command,see page 13-11.You can also combine types of logging. For more information, see “Combining logging”on page 13-11.Choosing the data to be loggedIn the Tags in Model tab of the Data Log Models editor, you specify which tags will bescanned for data for the data log model. Log models can contain up to 10,000 tags.For more information, see Help.13-6
13 • USING DATA LOGGING• • • • •Editing a data log modelYou can edit a model during development or run time, using either RSView Studio or theRSView Administration Console .If you change a model at run time, the changes will not take effect until you stop datalogging and then restart it.13 • PlaceholderIf a tag that you delete from a data log model is used in a trend object, be sure to remove allreferences to the deleted tag from the trend.Changing log paths using the RSView Administration ConsoleYou can change the log paths after an application has been deployed by using the RSViewAdministration Console (you don’t need to use RSView Studio). You can change theprimary and secondary paths for file sets, and the backup path for ODBC data log models.You cannot change the ODBC database using the Administration Console.Working with ODBC data sourcesUsing an existing ODBC data sourceYou can log data to an existing ODBC data source, but its tables must contain fields thatare formatted for the RSView data log.There are two ways to prepare tables for data logging to an existing database:• Set up the RSView data log fields in the existing ODBC tables before setting up adata log model.• Create new tables automatically or manually in the existing database using the DataLog Models dialog box.To use the tables in an existing ODBC data source1. Add fields for the data log data to the tables in the ODBC database.The section “Data log tables” on page C-4 describes the order and type of fieldsneeded to log data to an ODBC database. Edit the tables as described in thedocumentation for the ODBC database you are using.2. Set up a data log model, as described in Help. Specify the existing ODBC database asthe ODBC Data Source, and then specify the tables you edited.13-7
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User’s GuideVolume 1Publication V
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ContentsPrefaceAbout the documentat
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CONTENTS• • • • •Plan how
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• • • • •RSVIEW SUPERVISO
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1Getting startedThis chapter descri
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1 • GETTING STARTED• • •
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2Exploring RSView StudioThis chapte
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2 • EXPLORING RSVIEW STUDIO•
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10Creating derived tagsThis chapter
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10 • CREATING DERIVED TAGS• •
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10 • CREATING DERIVED TAGS• •
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11Creating alarmsThis chapter descr
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11 • CREATING ALARMS• • •
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INDEX• • • • •IndexSymbol
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INDEX• • • • •Object Smar
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INDEX• • • • •redundancyS
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INDEX• • • • •Embedded va
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INDEX• • • • •stopping au
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INDEX• • • • •Tags • 8-
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INDEX• • • • •Procedures
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