Programming Of Motion Blocks; Axis Commands - Siemens SINUMERIK 880 Programming Manual

01.93
4

Programming of Motion Blocks

4.1

Axis commands

The address of the axis command determines the axis in which the following numerical value
(path) must be traversed, e.g. X, Y, Z. The basic version has been designed for 2 axes (T
version) or 3 axes (M version).
Addresses A, B, C, E, U, V, W and Q are optionally available for further axes.
Extended address notation is possible (e.g.: C1=...).
Simultaneous programming of one axis in 2 channels is not possible on principle. If two part
programs are started that are to traverse the same axis, one channel must be caused to
assume the stop status.
Rotary axis
Each axis can be declared as rotary axis. Several axes can be declared simultaneously as
rotary axes. All rotary axes can rotate endlessly.
The rotary axis is declared as such and its traversing
range and actual position display defined in the
When programming the rotary axis for the first time with G90 or G91 in the part program, G68
automatically becomes active for this first block. This automatic generation can be deselected
L F
with "G91 C0 ". This also applies for the first programming with G90 after block search and
after programming of G74.
If a modulo rotary axis (± 360°) is in follow-up mode, G68 is activated automatically for the
next traversing block on NC Start.
In the case of incremental programming (G91) the traversing range is ±99999.999 degrees.
Example:
N10 ...
.
.
L F
N40 G91 C99999.999
© Siemens AG 1991 All Rights Reserved
SINUMERIK 880, (PG)
Further axes are available as an option.
The order code is Axx.
machine data.
6ZB5 410-0HD02
4 Programming of Motion Blocks
4.1 Axis commands
4–1