Movement Control Commands
3.1 The coordinate system
04.07
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© Siemens AG 2007 All rights reserved
SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
Reference
A machine coordinate system is set so that the reference position is at the coordi-
nate values set using MD $MC_CHBFRAME_POWON_MASK Bit 0 whenever ma-
nual reference position return is applied after power--on.
Machine coordinate system
Machine zero
Reference position
α
β
Fig. 3-2 Reference
3.1.2 Workpiece co o rdinate system (G92)
Prior to machining, a coordinate system for the workpiece, the so--called workpiece
coordinate system, needs to be established. This section describes the various
methods of how to set, select, and change a workpiece coordinate system.
How to set a workpiece coordinate system
The following two methods can be used to set a workpiece coordinate system:
1. Using G92
A workpiece coordinate system is set by determining a value subsequent to
G92 within the program.
2. Manually, using the HMI panel
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