Siemens SIMATIC PCS 7 Function Manual page 223

The various export methods are distinguished as follows, and are defined separately for each
archive in the "EXPORT_METHOD" column of the "FB_ARCHGROUP" archive (numbers 1...
6 correspond to the export method):
1. Data export with deletion of data and MES connection (check MES value in the ini file)
– Data are exported by the time-triggered C function if:
– Following successful export, the data records exported are deleted from the archive.
– Data are deleted if the corresponding archive is too full following the export. This should
2. Data export with deletion of data without an MES connection (check MES value in the ini
file)
– Data are exported by the time-triggered C function if:
– Following successful export, the data records exported are deleted from the archive. If
– Data are deleted if the corresponding archive is too full following the export. This should
3. Data export without deletion of data and with an MES connection (check MES value in the
ini file)
– Data are exported by the time-triggered C function if:
– Following successful export, the following flags in the archive are set:
– Data are only deleted if the corresponding archive is full. This is done using the method
4. Data export without deletion of data and without an MES connection (check MES value in
the ini file)
– Data are exported by the time-triggered C function if:
– Following successful export, the following flags in the archive are set:
– Data are only deleted if the corresponding archive is full. This is done using the method
Advanced Process Functions (APF)
Function Manual, 07/2016, A5E38719883-AA
REC_READ = 1 (only queried if the MES flag in the ini file is activated)
REC_EXPORTED = 0
REC_FINISHED = 1
be done using the method detailed in "Deleting data at maximum archive capacity".
REC_EXPORTED = 0
REC_FINISHED = 1
the archive still contains data records which were previously exported, these are also
deleted.
be done using the method detailed in "Deleting data at maximum archive capacity".
REC_READ = 1 (only queried if the MES flag in the ini file is activated)
REC_EXPORTED = 0
REC_FINISHED = 1
REC_EXPORTED := 1
detailed in "Deleting data at maximum archive capacity".
REC_EXPORTED = 0
REC_FINISHED = 1
REC_EXPORTED := 1
detailed in "Deleting data at maximum archive capacity".
Archive management
8.2 C functions for export and backup
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