Siemens SINUMERIK 840Di Function Manual page 845

2.5.2 Use of workpiece-related actual-value system
Requirements, basic settings
The settings described in the previous Section have been made for the system.
The predefined setting after power-up of the MMC is MCS.
Switchover to WCS
The change to the WCS via the user interface causes the axis positions relative to the origin
of the WCS to be displayed.
Switchover to MCS
The change to the MCS via the user interface causes the axis positions relative to the origin
of the MCS to be displayed.
Interrelationships between coordinate systems
The figure below shows the interrelationships between the machine coordinate system
(MCS) and the workpiece coordinate system (WCS).
Axis Types, Coordinate Systems, Frames (K2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2.5 Workpiece-related actual-value system
Detailed Description
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