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Displaying the Trend Log List Time Stamps with Fractions
You display the trend log list time stamps with fractions, to show the exact time stamp when the value was recorded.
The trend log list numerically displays the records of a trend log or an extended trend log. The records of the trend log can be processed by a calculation method before they are presented in the trend log list.
The trend log list can only display one trend log at a time and must be manually refreshed to display recently recorded values.
Time Zone Modes in a Trend Log List
In a trend log list, you can present the records of a trend log in different time zones: local time zone, SmartStruxure server time zone, and UTC time zone.
Per maggior informazioni, consulta Time Zone Modes in a Trend Log List .
Calculation Methods
Use a calculation method to process the records of the trend log before presenting them in a trend log list or a trend chart. The original records in the trend log are not affected by the calculation method. The calculation method is applied to the trend log records grouped by a specific time interval.
Per maggior informazioni, consulta Calculation Methods .
Temporary Trend Log Lists
To display a trend log without creating a new trend log list or trend chart, the trend log can be displayed in a temporary list or chart.
Per maggior informazioni, consulta Temporary Trend Log Lists .
Floating Point Values NaN, INF, and -INF
In Building Operation, the floating point values “Not a Number”, positive infinity, or negative infinity may be displayed in the Basic property tab, in a trend log list, or a trend chart.
Per maggior informazioni, consulta Floating Point Values NaN, INF, and –INF .
In WorkStation, in the System Tree pane, select the trend log list you want to display its time stamps in fractions.
On the Trend Log List toolbar, click the Show time stamps with fractions button
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The time stamps in the trend log list are now shown with hundredths. Repeat the procedure to hide the fractions.
Trend Log Lists
Configuring a Trend Log List
Trend Log List Toolbar
Trend Log List View