Siemens SINUMERIK 840Di Function Manual page 105

2.4.3 Definition via part program instruction
General
A protection zone definition must contain the following information:
• Protection zone type (workpiece- or tool-related)
• Orientation of protection zone
• Type of limitation in the third dimension
• Upper and lower limit of the protection zone in the third dimension
• Activation type ("Protection zone immediately active": only possible via system variable)
• Contour elements
Definition of protection zones
The following systematics must be maintained in the definition of channel-specific protection
zones:
• Definition of the working plane: G17, G18 or G19
• Definition beginning
• Contour description for protection zone
• End of definition: EXECUTE(...)
Definition of the working plane
The desired working plane to which the contour description of the protection zone refers
must be selected with G17, G18, G19 before start of the definition. It may not be changed
before the end of the definition. Programming of the applicate is not permitted between start
and end of the definition.
Axis Monitoring, Protection Zones (A3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
– Channel-specific protection zones: CPROTDEF(...)
– Machine or NC-specific protection zone: NPROTDEF(...)
Detailed Description
2.4 Protection zones
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