Access the data collection information

To access the information on the data collection
  • Click the
    Configure Historian
     tab.
    The
    Data Collection
    page appears.
The page provides the following information:
This item
Displays
Status
The current status of the data collection:
  • Stopped
    The data is not being collected or archived.
  • Running
    The data is being collected and archived.
Collection Rate
The number of events per second that the data collection receives for configured ports.
Archive Rate
The number of events per second that pass exception and compression tests and are committed to the archive.
Archive Capacity
The number of days, hours, and minutes until all available archive files are full.
This number is an estimate. When all archive files are full, data interruption may occur.
Note:
 For details on long-term storage on a FactoryTalk Historian SE or PI server, see Transfer data to FactoryTalk Historian SE or PI servers.
Total Archive Files
The total number of archive files residing in the archive. The size of each archive file is 10 MB.
Approximately 130 archive files are preallocated as data containers.
Total Archive Files Used
The number of archive files currently being used to store data in the archive subsystem.
Total Archive Files Free
The number of archive files in the archive subsystem that neither store data nor contain data to be overwritten once it is transferred by the data transfer service.
If the data transfer service is configured and it is transferring events to the
FactoryTalk Historian SE
 or PI server, the module frees the archive disk space once the events are successfully transferred. It results in increasing the number of total archive files free and reducing the number of total archive files used.
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