Miscellaneous (other) tags

SysConfigStatus

Number of database items affected by a dynamic configuration (that is, the number of entries in the ConfigStatusPending table when the commit is performed). This value is cumulative and not reset until the system is completely restarted.

SysHistoryCacheFaults

The number of history blocks loaded from disk per minute. The maximum value is 1,000. The storage rate for this analog tag is 60 seconds. For more information on the history cache, see Memory management for retrieval of classic storage data.

SysHistoryCacheUsed

Number of bytes used for history block information. The maximum value is 3,000,000,000. The storage rate for this analog tag is 30 seconds.

SysHistoryClients

The number of clients that are connected to the Indexing service. The maximum value is 200. The storage rate for this analog tag is 30 seconds.

SysMinutesRun

Minutes since the last startup. The storage rate is 60 seconds for this analog tag.

SysRateDeadbandForcedValues

The total number of values that were forced to be stored as a result of using a swinging door storage deadband. This number reflects all forced values for all tags since the system was started.

SysString

String tag whose value changes every hour.

SysTagHoursQueried

A floating point value updated every minute that indicates the total number of "tag retrieval hours" queried by all client applications during that minute. For example, if a single trend queries four tags for a 15-minute period, that is "1.0 tag retrieval hours".

All tags, including replication sync queue tags and non-existent tags, are counted.

Unlicensed tags are not counted.