Siemens SINUMERIK 840D sl Function Manual page 163

Protection zone definition in the part program
Table 3-1
Program code
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 3-2
System variable
$SN_PA_ACTIV_IMMED[0]
$SN_PA_T_W[0]
$SN_PA_ORI[0]
$SN_PA_LIM_3DIM[0]
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Part program excerpt for protection zone definition:
Protection zone: Spindle chuck
Val‐
ue
0
" "
1
0
A3: Axis Monitoring, Protection Zones
Comment
Definition of the working plane
Start of definition: Protection zone
for spindle chuck
Contour definition: 1. Contour element
Contour definition: 2. Contour element
Contour definition: 3. Contour element
Contour definition: 4. Contour element
Contour definition: 5. Contour element
End of definition: Protection zone
for spindle chuck
Start of definition: Protection zone
for workpiece
Contour definition: 1. Contour element
Contour definition: 2. Contour element
Contour definition: 3. Contour element
Contour definition: 4. Contour element
Contour definition: 5. Contour element
End of definition: Protection zone
for workpiece
Start of definition: Protection zone
for toolholder
Contour definition: 1. Contour element
Contour definition: 2. Contour element
Contour definition: 3. Contour element
Contour definition: 4. Contour element
Contour definition: 5. Contour element
Contour definition: 6. Contour element
End of definition: Protection zone
for toolholder
Remark
; Protection zone for spindle chuck not immediately active
; Machine-related protection zone for spindle chuck
; Orientation of the protection zone: 1= 3. 1= 3rd and 1st geom‐
etry axis
; Type of limitation in the third dimension: 0 = No limit
3.5 Examples
163