Trend Log List Properties

Component	Description
Display trend log	Enter the trend log to display in the trend log list.
Log space (records)	Select the maximum number of records to display in the trend log list.
Show events	Select True to display events in the trend log list. This function does not hide events in the list that contain a value or comment. For example, when a record is added, edited, or commented.
Time zone	Select which time perspective to display in the trend log. 有关更多信息，请参阅 Time Zone Modes in a Trend Log List .
Calculation method	Select a calculation method.
Delta over period	Select True to apply a period to the delta calculation method.
Period	Select the time span for which the calculation method is to be executed.
Custom period	Enter a custom time span for which the calculation method is to be executed.
Custom period alignment	Enter the time when you want the custom period to start.

Display trend log

Enter the trend log to display in the trend log list.

Log space (records)

Select the maximum number of records to display in the trend log list.

Show events

Select True to display events in the trend log list. This function does not hide events in the list that contain a value or comment. For example, when a record is added, edited, or commented.

Time zone

Select which time perspective to display in the trend log. 有关更多信息，请参阅 Time Zone Modes in a Trend Log List .

Calculation method

Select a calculation method.

Delta over period

Select True to apply a period to the delta calculation method.

Period

Select the time span for which the calculation method is to be executed.

Custom period

Enter a custom time span for which the calculation method is to be executed.

Custom period alignment

Enter the time when you want the custom period to start.

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Trend Log List Properties