Variable Triggered Trend Log Properties – Basic Tab

Status

Displays the status of the trend log.

Enabled

Displays True if the trend log is enabled.

Logged variable

Enter the variable you want to log.

Delta

Select the minimum value change that triggers a new record.

Trigger variable

Enter the variable that triggers the trend log to start recording.

Trigger condition

Select when you want the variable recorded: when the trigger variable changes to True, changes to False, or at all changes.

For more information, see Variable Triggered Trend Logs .

Log size

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

For more information, see Log Record Storage .

Clear when enabled

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