Engineering via SICAM WEB
SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual Unrestricted 347
DC8-037-2.02, Edition 10.2017
9.1.9 Configuration of the Process Data Archive
• Menu Home | Settings
The process data archive serves for the local storage of binary information items and meas-
ured values of a substation, and - whenever necessary - for the download and evaluation on
the engineering PC.
The configuration of the process data archive resides in the directory tree under
SICAM A8000 CP-80xx | Master module | Process data | Archive
(the checkbox SHOW ALL PARAMETERS must be activated).
Only those data points are recorded in the archive, which are parameterized for that. The as-
signment thereto can be performed in the signal parameterization (see 9.1.11.2.1, Configura-
ble Logging and Display of Signal States).
The data points to be recorded are archived chronologically during operation. The archive
captures up to 5.000.000 records over a maximal period of 3 months. The record happens for
the following categories:
• Binary information items upon status change
• Measured values according to parameter Recording grid for measured values
Note
The process data archive is deleted with every change of process data measured values and/or of pro-
cess data message (for instance if a new signal is added). If needed, download the archive before such
kind of change (see 9.3.6, Download Process Data Archive).
Change of a signal name affects the archive only after startup. Before startup the archive shows the previ-
ous signal name.
Recording Grid for Measured Values
This parameter defines the recording grid (the cycle time) for measured values. It can be set
from 1 to 60 minutes.
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