Siemens SINUMERIK 840DE Programming Manual page 51

Note
The "L
you change lines.
Block length
A block can contain a maximum of 512 characters (including the comment and end-of-block
character "L
Note
Three blocks of up to 66 characters each are normally displayed in the current block display
on the screen. Comments are also displayed. Messages are displayed in a separate
message window.
Word sequence in blocks
In order to keep the block structure as clear as possible, the words in a block should be
arranged as follows:
Example:
N10 G... X... Y... Z... F... S... T... D... M... H...
Address
N
10
G
X,Y,Z
F
S
T
D
M
H
Note
Certain addresses can be used repeatedly within a block
(e.g., G..., M..., H...)
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
" character does not have to be inserted manually, it is generated automatically when
F
").
F
Meaning
Address of block number
Block number
Preparatory function
Positional data
Feed
Spindle speed
Tool
Tool offset number
Miscellaneous (i.e., special) function
Auxiliary function
Fundamental Principles of NC Programming
2.2 Language elements of the programming language
2-5