Use the Basic tab to configure the Change of value trend log.
Property |
Description |
Status |
Displays the status of the trend log. |
Enabled |
Displays True if the trend log is enabled. |
Logged variable |
Enter the variable that you want to log. |
Delta |
Select the minimum value change that triggers a new record. |
Activation variable |
Enter the variable that makes the trend log start recording values when the variable is True . Für weitere Informationen siehe Trend Log Activation . |
Activation time |
Specify the time when the trend log is to start recording values. Für weitere Informationen siehe Trend Log Activation . |
Maximum log interval |
Select the maximum time that can pass between two recordings regardless if 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 log. Für weitere Informationen siehe Log Record Storage . |
Clear when enabled |
Select True to clear the trend log when it is enabled. |