HEIDENHAIN TNC 320 (34055x-06) ISO programming - Manual (Page 110)

Programming: Fundamentals, file management
3.4 Working with the file manager
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TNC 320 | User's Manual for DIN/ISO Programming | 5/2013
USB devices on the TNC
Backing up data from or loading onto the TNC is especially easy
with USB devices. The TNC supports the following USB block
devices:
Floppy disk drives with FAT/VFAT file system
Memory sticks with the FAT/VFAT file system
Hard disks with the FAT/VFAT file system
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 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. It may happen that a USB device is not
identified correctly by the control. In such cases, use
another USB device.
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.
Your machine tool builder can assign permanent
names for USB devices. Refer to your machine
manual.