Fundamental Principles of NC Programming
2.2 Language elements of the programming language
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
2-3
Character set
The following characters are available for writing NC programs:
Uppercase characters
A, B, C, D, E, F, G, H, I, J, K, L, M, N,(O),P, Q, R, S, T, U, V, W, X, Y, Z
Please note:
Take care to differentiate between the letter "O" and the digit "0".
Lowercase letters
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z
Note
No distinction is made between upper and lower case letters.
Digits
1, 2, 3, 4, 5, 6, 7, 8, 9
Special characters
% Program start character (used only for writing programs on an external PC)
( For bracketing parameters or expressions
) For bracketing parameters or expressions
[ For bracketing addresses or indexes
] For bracketing addresses or indexes
< Less than
> Greater than
: Main block, end of label, chain operator
= Assignment, part of equation
/ 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
_ Underscore, belonging to letters
? Reserved
! Reserved
. Decimal point
, Comma, parameter separator
; Comment start
& Format character, same effect as space character
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