Siemens SINUMERIK 840D Operator's Manual page 105

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03.04
Act. val.
MCS
Act. val.
WCS
WCS MCS
Ó Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Operator's Guide HMI Advanced (BAD) – 03.04 Edition
4.2 General functions and displays
Machine manufacturer
Machine data are used to define whether the programmed frames are
to be calculated when displaying the WCS (settable zero system =
SZS display). Please consult the documentation provided by the
machine manufacturer!
Operating sequence
"Jog" mode is selected in the "Machine" operating area.
The actual values of the machine axes and their positions are
displayed.
The softkey label changes to "Act. val. WCS".
The machine coordinate system comprises all the physically existing
machine axes. Reference points, tool and pallet change points are
defined in the Machine Coordinate System.
When you select softkey "Act. val. WCS", the geometry and auxiliary
axes plus their positions appear in the "Position" window.
The softkey label changes to "Act. val. MCS".
The workpiece coordinate system is assigned to a specific workpiece.
Settings in the NC program refer to the WCS.
· You can also toggle between the workpiece and machine
coordinate systems by pressing the "WCS/MCS" key on the MCP.
· The number of places displayed after the decimal point and units
of measure can be set in machine data.
/PA/, Programming Guide, Fundamentals
Machine Operating Area
4-105
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