Movement Control Commands
3.1 The coordinate system
04.07
3-49
© Siemens AG 2007 All rights reserved
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
Example
When the tool is positioned at (190, 150) in G54 mode, workpiece coordinate sy-
stem 1 (X’ -- Y’) shifted by vector A is created whenever G92X90Y90; is comman-
ded.
X’
X
YY’
150
60
90
90
100 190
A
G54 workpiece coordinate system
Tool position
Fig. 3-7 Example of the setting of coordinates
3.1.6 Uncoupling the frames between th e Siemens and t h e ISO mo-
des
(with powerline 7.04.02 or solution line 1.4 and higher)
In the ISO mode, various G codes occupied the programmable frame $P_FRAME,
the settable frame $P_UIFR and three base frame $P_CHBFRAME[ ]. If you
switch from the ISO mode to the Siemens mode, these frames will not be available
to the user of the Siemens language. This pertains to:
G52 Programmable zero offset --> progr. frame $P_PFRAME
G51 Scaling --> progr. frame $P_BFRAME SCALE
G54--G59 Zero offset --> settable frame $P_UIFR
G54 P1..100 Zero offset --> settable frame $P_UIFR
G68 3D rotation --> base frame $P_CHBFRAME[3]
G68 2D rotation --> base frame $P_CHBFRAME[2]
G51.1 Mirroring --> base frame $P_CHBFRAME[1]
G92 Set actual value--> base frame $P_CHBFRAME[0]S
G10L2P0Ext.zerooffset-->baseframe$P_CHBFRAME[0]S
To uncouple the concerned frames between the Siemens and the ISO modes, four
new system frames are provided: $P_ISO1FRAME to $P_ISO4FRAME. The fra-
mes are created with the machine data 28082: $MC_MM_SY-
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