Siemens SINUMERIK 880 GA2 Programming Guide

05.91 3 Directions of Movement, Dimensioning
3.3 Dimension systems: absolute and incremental position data G90/G91
Switching between absolute G90 and incremental position data input G91
It is possible to switch between absolute and incremental position data input from block to
block as desired.
Example:
The tool is at position (P1) X = 10, Y = 10 and is to move consecutively to the subsequent
positions. The program contains absolute and incremental position data alternately. The input
is:
G90 X10 Y30 (P2)
G91 X30 Y10 (P3)
G90 X60 Y40 (P4)
G91 X0 Y–10 (P5)
G90 X40 Y0 (P6)
60
P6
P5
P4P3
P2
P1
W
X
4020
Y
20
10
30
40
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a
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Depending on the machine data, mixed programming
with G90 and G91 in one block is also possible. It can be
specified by machine data whether the radius or the dia-
meter is to be programmed with G90 and/or G91
(machining by turning).
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Axes, angles and interpolation parameters (not contour definition) can be programmed together
in one block provided that the machine data are appropriately set.
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02 3–5
SINUMERIK 880, (PG)

Siemens SINUMERIK 880 GA2 Specifications

General

Brand	Siemens
Model	SINUMERIK 880 GA2
Category	Control Unit
Language	English