Siemens SINUMERIK 840D, Operating Manual, Page: 505 / 610

Program management
13.4 Creating a directory/program/job list/program list
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
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13.4.3 Creating a new G code program
You can create G code programs and then render G code blocks for them in a
directory/workpiece.
Procedure
1. Select the "Program Manager" operating area.
2. Select the desired storage location and position the cursor on the
folder, in which you would like to store the program.
3. Press the "New" softkey.
The "New G Code Program" window opens.
4. If necessary, select a template if any are available.
5. Select the file type (MPF or SPF).
If you are in the NC memory and have selected either the
"Subprograms" or "Part Programs" folder, you can only create one
subprogram (SPF) or one main program (MPF).
6. Enter the desired program name and press the "OK" softkey.
Program names may be a maximum of 24 characters in length.
You can use all letters (with the exception of special characters,
language-specific special characters, Asian or Cyrillic characters),
numbers and underscores (_).