Definition Via Part Program Instruction - Siemens SINUMERIK 840D sl Function Manual

3.3.3

Definition via part program instruction

General
A protection-zone definition must contain the following information:
● Protection zone type (workpiece- or tool-related)
● Orientation of the protection zone
● Type of limitation in the third dimension
● Upper and lower limits 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 protection zones:
● Definition of the working plane: G17, G18 or G19
● Definition beginning
– Channel-specific protection zones: CPROTDEF(...)
– Machine or NC-specific protection zone: NPROTDEF(...)
● 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.
Definition beginning
The definition start is defined by the corresponding subroutine:
● CPROTDEF(n, t, applim, appplus, appminus)
● NPROTDEF(n, t, applim, appplus, appminus)
Parameters Type
n
t
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Description
INT Number of defined protection zone
BOOL Protection zone type
TRUE Tool-oriented protection zone
FALSE Workpiece-related protection zone
A3: Axis Monitoring, Protection Zones
3.3 Protection zones
135