Fundamental Principles Of Nc Programming; Name Of An Nc Program - Siemens Sinumerik 840D sl Programming Manual

Fundamental Principles of NC Programming

Note
DIN 66025 is the guideline for NC programming.
3.1

Name of an NC program

Rules
Each NC program must be assigned a program name (designation) when it is created. The
program name can be chosen freely providing the following rules are observed:
● Permissible characters:
– Letters: A ... Z, a ... z
– Numbers: 0 ... 9
– Underscore: _
● The first two characters must be two letters or an underscore followed by a letter.
● Maximum length: 24 characters
Uppercase/lowercase letters
The SINUMERIK NC language does not distinguish between uppercase and lowercase letters.
Note
To avoid problems with Windows applications, avoid using the following program names:
● CON, PRN, AUX, NUL
● COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9
● LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, LPT9
Further restrictions, see "Names (Page 381)".
Fundamentals
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
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