Create Trend Log Wizard – Configure Change of Value Trend Log Page

Component	Description
Logged variable	Enter the variable that you want to log.
action_zoom_plus_stroke	Set unit Click to open the Unit Selection dialog box where you select the unit. 有关更多信息，请参阅 Select Unit Dialog Box .
Delta	Select the minimum value change that triggers a new record.
Activation variable	Enter the variable that is to start the trend log.
Activation time	Type the start time of the trend log.
Maximum log interval	Select the maximum time that can pass between two recordings regardless of whether the delta value has been exceeded or not.
Log size	Select the number of records to store before old records are overwritten including internal records generated by the trend.
Available trend storage	Displays the trend storage usage and the number of records left in the trend storage.
Clear when enabled	Select True to clear the trend log when it is enabled.

Logged variable

Enter the variable that you want to log.

action_zoom_plus_stroke

Set unit

Click to open the Unit Selection dialog box where you select the unit. 有关更多信息，请参阅 Select Unit Dialog Box .

Delta

Select the minimum value change that triggers a new record.

Activation variable

Enter the variable that is to start the trend log.

Activation time

Type the start time of the trend log.

Maximum log interval

Select the maximum time that can pass between two recordings regardless of whether the delta value has been exceeded or not.

Log size

Select the number of records to store before old records are overwritten including internal records generated by the trend.

Available trend storage

Displays the trend storage usage and the number of records left in the trend storage.

Clear when enabled

Select True to clear the trend log when it is enabled.