Siemens sinumerik 840d Programming Manual page 141

08.97
4
840D 840D
NCU 571 NCU 572
NCU 573
Function
You can use protection zones to protect various
elements on the machine, their components and the
workpiece against incorrect movements.
Tool-oriented protection zones:
For parts which belong to the tool
(e.g. tool, tool carrier).
Workpiece-oriented protection zones:
For parts which belong to the workpiece
(e.g. parts of the workpiece, clamping table, clamp,
spindle chuck, tailstock).
Sequence
Defining protection zones
Definition of the protection zones includes the
following:
• CPROTDEF for channel-specific protection
zones
• NPROTDEF for machine-specific protection
zones
• Contour description for protection zone
• Termination of the definition with EXECUTE
You can specify a relative offset for the reference
point of the protection zone when the protection
zone is activated in the NC part program.
 Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) − 04.00 Edition
4.1 Defining the protection zones CPROTDEF, NPROTDEF
FM-NC 810D 840Di
Protection Zones
Tool-oriented
protection zone
-B
+Z
Workpiece-oriented
protection zone
4
+Y
Tool-oriented
protection zone
+X
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