Dr. Livingstone, I Presume WELDWISE 2400 - Manual (Page 149)

0614-INS-400 Rev. D
11-3
Probably the most difficult concept for users to understand is that each Import/Export operation,
imports/exports data to/from a different file or files. For example, the “Export All” writes to
livcopy.mdb and welddata.mdb but does NOT write any information to masters.mdb or setup.mdb.
The “Export Masters” only writes information to the masters.mdb but does NOT write any master-
related information to livcopy.mdb. The “Export Setup” only writes information into the setup.mdb
file and so on. Similarly for the Import utilities, the “Import All” and “Import Masters” both
import master- related information (Import All also imports additional information) but since the
information is imported from different files, it is possible that the master-related information is
different.
Note: In order to keep all of the various database files in “synch”, all Export operations should be
performed any time it is necessary to perform any one of the Export operations. This will ensure that
that master-related information is the same in both livcopy.mdb and masters.mdb. It will also ensure
that the calibration and setup information is the same in both livcopy.mdb and setup.mdb. Keeping the
files in “synch” will also avoid confusion when using the import utilities. For example, if the
livcopy.mdb and setup.mdb files are in “synch” then using the “Import All” or the ”Import Masters”
will provide the same master-related results.
System Performance
As the livco.mdb and welddata.mdb databases get larger, it takes longer for the weld monitor to sort
through all of the data records to find the data it’s looking for, and in some cases it takes longer to add
new data records (Example: when creating masters). The most noticeable effect is that the weld
monitor will be slower when displaying weld data in the halfcycle and weld summary data screens.
This change in performance is unperceivable if database maintenance is performed regularly.
Note: Once the welddata.mdb database reaches capacity (just under 1 gigabyte), the weld monitor will
no longer be able to collect data. The main screen will still display incoming welds however the
halfcycle and weld summary screen data will no longer be up to date. All accept and reject signals will
still function normally.