Siemens SINUMERIK 840D sl Programming Manual page 910

Appendix
A.1 List of abbreviations
WCS
WOP
WPD
ZO
ZOA
µC
910
Workpiece coordinate system
Workshop-oriented Programming
Workpiece Directory
Zero offset
Zero Offset Active: Identifier (file type) for zero offset data
Micro Controller
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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