Siemens SINUMERIK 828D Function Manual

A3: Axis Monitoring, Protection Zones
2.3 Protection zones
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
115
Data of the protection-zone definitions
data storage
The protection-zone definitions are stored in the following files:
Data backup
The protection-zone definitions are saved in the following files:
$SN_PA_LIM_3DIM[n]
$SC_PA_LIM_3DIM[n]
INT Type of limitation in the third dimension
0 No limitation
1 Limit in plus direction
2 Limit in minus direction
3 Limit in positive and negative direction
$SN_PA_PLUS_LIM[n]
$SC_PA_PLUS_LIM[n]
REAL Value of the limit in the positive direction in the 3rd
dimension
$SN_PA_MINUS_LIM[n]
$SC_PA_MINUS_LIM[n]
REAL Value of the limit in the negative direction in the 3rd
dimension
$SN_PA_CONT_NUM[n]
$SC_PA_CONT_NUM[n]
INT Number of valid contour elements
$SN_PA_CONT_TYP[n, i]
$SC_PA_CONT_TYP[n, i]
INT Contour type[i], contour type (G1, G2, G3) of the nth contour
element
$SN_PA_CONT_ABS[n, i]
$SC_PA_CONT_ABS[n, i]
REAL End point of the contour[i], abscissa value
$SN_PA_CONT_ORD[n, i]
$SC_PA_CONT_ORD[n, i]
REAL End point of the contour[i], ordinate value
$SN_PA_CENT_ABS[n, i]
$SC_PA_CENT_ABS[n, i]
REAL Center point of the circular contour[i], absolute abscissa
value
$SN_PA_CENT_ORD[n, i]
$SC_PA_CENT_ORD[n, i]
REAL Center point of the circular contour[i], absolute ordinate
value
$SN_... are system variables for NC and machine-specific protection zones.
$SC_... are system variables for channel-specific protection zones.
The index "n" corresponds to the number of the protection zone: 0 = 1. Protection zone
The index "i" corresponds to the number of the contour element: 0 = 1. Contour element
The contour elements must be defined in ascending order.
Note
The system variables of the protection-zone definitions are not restored with REORG.
File Blocks
_N_NCK_PRO Data block for NCspecific protection zones
_N_CHAN1_PRO Data block for channelspecific protection zones in channel 1
_N_CHAN2_PRO Data block for channelspecific protection zones in channel 2
System variable Type Significance

Siemens SINUMERIK 828D Specifications

General

Control Type	CNC
Operating System	Windows Embedded
Processor	Intel Atom
Display	10.4" color TFT display
Interfaces	Ethernet, USB
Programming	ShopMill, ShopTurn
Operation Panel Size	10.4"
Protection Class	IP65
PLC Memory	2 MB
Spindle Capacity	4 spindles
Hard Drive	CompactFlash