File Management: Fundamentals - HEIDENHAIN TNC 426 B User Manual

4.2 File Management: Fundamentals

Using the MOD function PGM MGT (see Section 12.5),
select between standard file management and file
management with additional functions.
If the TNC is connected to a network (optional), then use
file management with additional functions.
Files
When you write a part program on the TNC, you must first enter a
file name. The TNC then stores the program on the hard disk as a
file with this name. You can also store texts and tables as files.
The TNC provides a special file management window in which you
can easily find and manage your files. Here you can call, copy,
rename and erase files.
You can manage any number of files on the TNC's hard disk. Their
total size, however, must not exceed 1500 MB.
File names
The name of a file can have up to 16 characters. When you store
programs, tables and texts as files, the TNC adds an extension to
the file name, separated by a point. This extension identifies the file
type (see table at right).
PROG20 .H
File name File type
Data security
We recommend saving newly written programs and files on a PC at
regular intervals. You can do this with the cost-free backup program
TNCBACK.EXE from HEIDENHAIN. Your machine tool builder can
provide you with a copy of TNCBACK.EXE.
You also need a floppy disk on which all the machine-specific data
(PLC program, machine parameters, etc.) of your machine tool are
stored. Please contact your machine tool builder for more
information on both the backup program and the floppy disk.
Saving the contents of the entire hard disk (up to 1500
MB) can take up to several hours. In this case, it is a good
idea to save the data outside of working hours, (e.g.
overnight), or to use the PARALLEL EXECUTE function to
copy in the background while you work.
HEIDENHAIN TNC 426 B, TNC 430
www.EngineeringBooksPdf.com
Files in the TNC
Programs
in HEIDENHAIN conversational format
in ISO format
Tables for
Tools
Pallets
Datums
Points (digitizing range for
measuring touch probe)
Cutting data
Cutting materials and other materials
Texts as
ASCII files
Type
.H
.I
.T
.P
.D
.PNT
.CDT
.TAB
.A
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