Siemens SINUMERIK 840D sl Function Manual page 135
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Protection-zone definition in the part program
Table 4-1
DEF INT AB
G18
NPROTDEF(1,FALSE,0,0,0)
G01 X100 Z0
G01 X-100 Z0
G01 X-100 Z110
G01 X100 Z110
G01 X100 Z0
EXECUTE(AB)
CPROTDEF(1,FALSE,0,0,0)
G01 X80 Z0
G01 X-80 Z0
G01 X-80 Z40
G01 X80 Z40
G01 X80 Z0
EXECUTE(AB)
CPROTDEF(2,TRUE,0,0,0)
G01 X0 Z-50
G01 X-190 Z-50
G03 X-210 Z-30 I-20
G01 X-210 Z20
G01 X0 Z50
G01 X0 Z-50
EXECUTE(AB)
Protection-zone definition with system variables
Table 4-2
System variable
$SN_PA_ACTIV_IMMED[0]
$SN_PA_T_W[0]
$SN_PA_ORI[0]
$SN_PA_LIM_3DIM[0]
Basic logic functions: Axis monitoring, protection zones (A3)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Part program excerpt for protection-zone definition:
Protection zone: Spindle chuck
Valu
e
0
" "
1
0
;
Definition of the working plane
;
Definition beginning: Protection
zone for spindle chuck
;
Contour description: 1. Contour
element
;
Contour description: 2. Contour
element
;
Contour description: 3. Contour
element
;
Contour description: 4. Contour
element
;
Contour description: 5. Contour
element
;
End of definition: Protection
zone for spindle chuck
;
Definition beginning: Protection
zone for workpiece
;
Contour description: 1. Contour
element
;
Contour description: 2. Contour
element
;
Contour description: 3. Contour
element
;
Contour description: 4. Contour
element
;
Contour description: 5. Contour
element
;
End of definition: Protection
zone for workpiece
;
Definition beginning: Protection
zone for tool holder
;
Contour description: 1. Contour
element
;
Contour description: 2. Contour
element
;
Contour description: 3. Contour
element
;
Contour description: 4. Contour
element
;
Contour description: 5. Contour
element
;
Contour description: 6. Contour
element
;
End of definition: Protection
zone for tool holder
Comment
; Protection zone for spindle chuck not immediately active
; Machine-related protection zone for spindle chuck
; Orientation of the protection zone: 1= 3. and 1st geometry
axis
; Type of limitation in the third dimension: 0 = No limit
Examples
4.2 Protection zones
69
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