Siemens SINUMERIK 828D Function Manual page 132

A3: Axis Monitoring, Protection Zones
2.5 Examples
Table 2-1 Part program excerpt for protection-zone definition:
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 2-2 Protection zone: Spindle chuck
System variable
$SN_PA_ACTIV_IMMED[0]
$SN_PA_T_W[0]
$SN_PA_ORI[0]
$SN_PA_LIM_3DIM[0]
$SN_PA_PLUS_LIM[0]
$SN_PA_MINUS_LIM[0]
$SN_PA_CONT_NUM[0]
$SN_PA_CONT_TYP[0,0]
$SN_PA_CONT_TYP[0,1]
$SN_PA_CONT_TYP[0,2]
$SN_PA_CONT_TYP[0,3]
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; 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
Valu Comment
e
0 ; Protection zone for spindle chuck not immediately active
" " ; Machine-related protection zone for spindle chuck
1 ; Orientation of the protection zone: 1= 3. and 1st geometry
axis
0 ; Type of limitation in the third dimension: 0 = No limit
0 ; Value of the limit in the positive direction in the 3rd dimension
0 ; Value of the limitation in the negative direction in the 3rd
dimension
4 ; Number of valid contour elements
1 ; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 0
1 ; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 1
1 ; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 2
1 ; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 3
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions