Siemens SIMATIC PCS 7 System Manual page 111

Reserve
No. DS to delete
Type
Export method
Export path 1
Export path 2
Note
Export = one-time export of selected data records to an external CSV file and deletion of these
data records using a specified export method
Backup = complete backup of all data records in a user archive in an external CSV file
Advanced Process Functions Engineering Manual
System Manual, 07/2016, A5E38719921-AA
Field
The minimum number of data records (free capacity) in the archive
below which the system starts to delete data records.
Number of archive data records to be deleted
Example:
● High limit = 10000
● Reserve = 100
● No. DS to delete = 200
At least 200 data records are deleted as soon as the number of data
records reaches or exceeds 9900. After deletion, there are still 9700
data records in the archive.
You can create archive groups of the following types:
Batch related: Predefined batch-related values are assigned automati‐
cally in the archive group. Editing of these values is restricted. The re‐
maining values can be freely defined by the user.
Freely definable: All values of the archive group can be freely defined.
You can select one of the following methods for exporting the archive
data records:
Data export with deleting and MES
Data export with deleting without MES
Data export without deleting with MES
Data export without deleting without MES
Data management as circular archive
Deleting of data with maximum archive size
First path for data export
Second path for data export (optional)
Archive management
8.2 Archive groups
Explanation
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