HEIDENHAIN iTNC 530 Service Manual page 194

If you have to replace the MC 422 tauschen:
Starting the backup
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Select Scan everything ("full backup") or ...
Scan system and machine files (Ask the customer if the TNC data have already
been backed up or the source files are stored on an external data medium.)
Caution
The machine time (TIMES.SYS), the calibration data of the touch probes, possible overflows
of multiturn EnDat encoders, traverse range settings, etc. (NCDATA.SYS) are included in
this backup so that they can subsequently be transferred to the new control or hard disk.
These backup types are not intended for an archive, since machine time, calibration data,
overflows of multiturn EnDat encoders etc. continue to change.
Note
For these backup types the settings of date and time on control and laptop must match.
Otherwise the error message Wrong password! is displayed.
Click on Run/Backup (or the corresponding icon).
The following window appears:
Enter an identifiying name for the backup file in the File name,
e.g., machine Hugo PLC data.
Start the data transfer with save.
The following window appears:
When the backup is finished, this window is closed.
You can now close the TNCbackup window.
HEIDENHAIN Service Manual iTNC 530