Data log contents
A data log collects tag values in the background when a project with a configured data log is running on the HMI device.

Item | Description |
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![]() | The Sample Rate of the data log in milliseconds. Specify how often the data log collects tags values once the View Designer project downloads to the HMI device. |
![]() | The Log Duration of the data log. Specify how long the data log collects tag values when a project with a configured data log is running on the HMI device. Specify the log duration in hours, days, or minutes. Enter a valid log duration between 1 of any of the selected units and 365 days. 8760 hours and 525,600 minutes are both equivalents of 365 days. |
![]() | The Status tag of the data log. Bind this property to a controller tag to display the status code of the data log in numeric format (DINT). |
![]() | The tag with values to be logged. Each data log can collect values from up to 250 tags. All of the data logs in a project can have a combined maximum of 250 tags. |
![]() | The name of the open data log and the tag count of the data log. This is the number of tags in the open data log. A data log can contain up to 250 tags. The combined data logs in a project can contain up to 250 tags. |
![]() | The total number of tags. This number represents all of the data logs in the project. The combined data logs in a project can contain up to 250 tags. |
![]() | The percentage of data log capacity used. This is the total size of all data logs in a project, compared to the maximum size supported. Data logs in a project can have a combined maximum of 250 tags. Each data log can have up to a 500 millisecond sample rate and a 365 day duration. |
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