Siemens SINUMERIK 840Di Function Manual page 753

2.3 Coordinate systems
2.3
2.3.1 Overview
Meaning
DIN 66217 stipulates that machine tools must use right-handed, rectangular (Cartesian)
coordinate systems.
Fig. 2-11
The following coordinate systems are defined:
MCS
BCS
BZS
SZS
WCS
The coordinate systems are determined by the kinematic transformation and the FRAMES.
A kinematic transformation is used to derive the BCS from the MCS. If no kinematic
transformation is active, the BCS is the same as the MCS.
The basic frame maps the BCS onto the BZS.
An activated settable FRAME G54 to G599 converts the BZS to the SZS.
The WCS, which is the basis for programming, is defined by the programmable FRAME.
Axis Types, Coordinate Systems, Frames (K2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Clockwise, rectangular Cartesian coordinate system
Machine Coordinat System
Basic Coordinate System
Basic Zero System
Settable Zero System
Workpiece Coordinate System
Detailed Description
2.3 Coordinate systems
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