Word Structure And Address - Siemens SINUMERIK 802D sl Programming And Operating Manual

Programming
3.1 Fundamental Principles of NC Programming
Table 3-1
Set
Set
Set
Set
Set
Set
3.1.3

Word structure and address

Functionality/structure
A word is a block element and mainly constitutes a control command. The word consists of
● address character: generally a letter
● numerical value: a sequence of digits which with certain addresses can be added by a
Figure 3-1
Several address characters
A word can also contain several address letters. In this case, however, the numerical value
must be assigned via the intermediate character "= ".
Example: CR=5.23
Additionally, it is also possible to call G functions using a symbolic name (see also Section
"List of instructions").
Example: SCALE ; Enable scaling factor
3-2
NC program structure
Word Word
N10 G0
N20 G2
N30 G91
N40 ...
N50 M2
sign put in front of the address, and a decimal point.
A positive sign (+) can be omitted.
Word structure (example)
Word ... ; Comment
X20 ... ; 1. Set
Z37 ... ; 2. Set
... ... ; ...
... ...
;End of program
Programming and Operating manual, 06/2006, 6FC5398-4CP10-0BA0
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