Special characters Meaning
/ Division, block suppression
* Multiplication
+ Addition
- Subtraction, minus sign
" Double quotation marks, identifier for character string
' Single quotation marks, identifier for special numerical values: hexadecimal,
binary
$ System variable identifiers
s_ Underscore, belonging to letters
? Reserved
! Reserved
. Decimal point
, Comma, parameter separator
; Comment start
& Format character, same effect as space character
LF End of block
Tab character Separator
Blank Separator (blank)
Note
Take care to differentiate between the letter "O" and the digit "0".
Note
No distinction is made between uppercase and lowercase characters (exception: tool call).
Note
Non-printable special characters are treated like blanks.
2.3.3 Program header
The NC blocks that are placed in front of the actual motion blocks for the machining of the
workpiece contour are called the program header.
The program header contains information/statements regarding:
● Tool change
● Tool offsets
● Spindle motion
● Feed control
● Geometry settings (zero offset, selection of the working plane)
Fundamentals
2.3 Creating an NC program
NC programming
52 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
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