Histories are automatically created for each type of polled point (Tls350BirAdjDel, Tls350InTankInv, Tls350InTankSta, Tls350PriAlmHis, Tls350FuelMgmt and Tls350DelVar) and a new history record is saved each time a new poll transaction is received.

These histories are pre-configured with capacity of 500 records and a full policy of Roll. You can view them by expanding the station’sHistory folder and then double-clicking on the history of interest (for example, TlsPahHistory).

Maintenance can be performed from the different History component's Database Maintenance view, and backups configured using standard Niagara tools.

The demuxed point type values (all with a Tls350DemuxedProxyExt) are derived from the polled point types, and those are not recorded in history records discretely. These values only have meaning in the context of a transaction, such as the most recent transaction, or the most recent transaction minus 1, and so on.