8.5 Archiving system
Configuration
Maximum
Trend window or diagram window per picture 25
Configurable trends per trend window 80
Bar diagrams per diagram window 80
Tables per picture 25
Columns per table 12
Values per table 30 000
Archives per single user/server 100
Archive tags per single-user station/server
1)
80 000
1) Dependent on number of licensed archive tags (ArchivTags).
Note
In cases of a combination of the maximum values, high picture selection times can occur.
Runtime
The performance is influenced by the number of values that are archived with Tag Logging
Fast and Tag Logging Slow. If necessary, reduce the archived values of the databases.
Projects with the following values were tested as typical scenarios:
Values/second
1)
Archiving in database for server/single user ("Tag Logging Fast") 5 000
Archiving in database for server/single user ("Tag Logging Slow") 5 000
Trend printouts for each configured trend The number of printed values
is based on the number of
values
shown
in WinCC Onli‐
neTrendControl.
1) The specified values apply to archiving without signing-off of data.
Performance Data
8.5 Archiving system
WinCC: General information and installation
System Manual, 02/2017, A5E40840020-AA 213
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