128 Programming: Fundamentals, File Management
3.4 Working with the File Manager
USB devices on the TNC (FCL 2 function)
Backing up data from or loading onto the TNC is especially easy with
USB devices. The TNC supports the following USB block devices:
îš„ Floppy disk drives with the FAT/VFAT file system
îš„ Memory sticks with the FAT/VFAT file system
îš„ Hard disks with the FAT/VFAT file system
îš„ CD-ROM drives with the Joliet (ISO 9660) file system
The TNC automatically detects these types of USB devices when
connected. The TNC does not support USB devices with other file
systems (such as NTFS). The TNC displays the USB: TNC does not
support device error message when such a device is connected.
The USB devices appear as separate drives in the directory tree, so
you can use the file-management functions described in the earlier
chapters correspondingly.
The TNC also displays the USB: TNC does not support
device error message if you connect a USB hub. In this
case, simply acknowledge the message with the CE key.
In theory, you should be able to connect all USB devices
with the file systems mentioned above to the TNC. If you
nevertheless encounter problems, please contact
HEIDENHAIN.
Your machine tool builder can assign permanent names
for USB devices. Refer to your machine manual.
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