A3: Axis Monitoring, Protection Zones
2.5 Examples
Basic Functions
132
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Protection-zone definition with system variables
G01 X-80 Z40
;
Contour description: 3. Contour
element
G01 X80 Z40
;
Contour description: 4. Contour
element
G01 X80 Z0
;
Contour description: 5. Contour
element
EXECUTE(AB)
;
End of definition: Protection zone for
workpiece
CPROTDEF(2,TRUE,0,0,0)
;
Definition beginning: Protection zone
for tool holder
G01 X0 Z-50
;
Contour description: 1. Contour
element
G01 X-190 Z-50
;
Contour description: 2. Contour
element
G03 X-210 Z-30 I-20
;
Contour description: 3. Contour
element
G01 X-210 Z20
;
Contour description: 4. Contour
element
G01 X0 Z50
;
Contour description: 5. Contour
element
G01 X0 Z-50
;
Contour description: 6. Contour
element
EXECUTE(AB)
;
End of definition: Protection zone for
tool holder
Table 2-2
Protection zone: Spindle chuck
System variable
Valu
e
Comment
$SN_PA_ACTIV_IMMED[0]
0
; Protection zone for spindle chuck not immediately active
$SN_PA_T_W[0]
" "
; Machine-related protection zone for spindle chuck
$SN_PA_ORI[0]
1
; Orientation of the protection zone: 1= 3. and 1st geometry
axis
$SN_PA_LIM_3DIM[0]
0
; Type of limitation in the third dimension: 0 = No limit
$SN_PA_PLUS_LIM[0]
0
; Value of the limit in the positive direction in the 3rd dimension
$SN_PA_MINUS_LIM[0]
0
; Value of the limitation in the negative direction in the 3rd
dimension
$SN_PA_CONT_NUM[0]
4
; Number of valid contour elements
$SN_PA_CONT_TYP[0,0]
1
; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 0
$SN_PA_CONT_TYP[0,1]
1
; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 1
$SN_PA_CONT_TYP[0,2]
1
; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 2
$SN_PA_CONT_TYP[0,3]
1
; Contour type[i] : 1 = G1 for even,
; Protection zone for spindle chuck, contour element 3
Table 2-1
Part program excerpt for protection-zone definition:
