Fundamental Principles Of - Siemens SINUMERIK 840Di sl Programming Manual

Fundamental Principles of NC Programming
2.1 Structure and contents of an NC program
Punch tape format
File names:
File names can contain the characters 0...9, A...Z, a...z or _ and must not exceed 24
characters in total.
File names must have a 3-character extension (_xxx).
Data in punch tape format can be generated externally or processed with an editor. A file
name of a file that is filed internally in the NC memory starts with "_N_".
A file in punch tape format is introduced with %<name>, "%" must be in the first column of
the first row.
Examples:
%_N_SHAFT123_MPF = part program SHAFT123
Or
%flange3_MPF = part program flange3
For further information on downloading, creating, and storing parts programs, please refer to:
Operating Manuals HMI Chapter "Operator area program"/"Operator area services"
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Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals