Siemens SINUMERIK 840D sl Function Manual page 236

K8: Geometric machine modeling - only 840D sl
6.2 Commissioning
Application example
The separate subchains can be used, for example, to model different machine parts of a
protection area for visualization or collision avoidance. Typically "C" (collision avoidance) is
specified for the protection area element referred to by $NP_NEXT for use in $NP_USAGE
(Page 239), and for the protection area element referred to in $NP_NEXTP, the value "V"
(visualization).
Offset and rotation
An offset and/or rotation in the current protection area element ($NP_OFF (Page 246),
$NP_DIR (Page 247) and $NP_ANG (Page 249)) affects the following protection area element
specified in $NP_NEXTP. This means that the specification of the spatial position and
orientation of the following protection area element is relative to the current protection area
element.
Syntax
$NP_NEXTP[<n>] = "<name>"
Meaning
$NP_NEXTP:
<n>:
<name>:
Example
The following parallel protection area element with the name "Coolant nozzle 2" is attached to
the 19th protection area element:
Program code
N100 $NP_NEXTP[18] = "Coolant nozzle 2"
236
Name of the branching protection area element
Data type: STRING
Range of values: All names contained in $NP_NAME (Page 233)
Default value: "" (empty string)
System variable or protection area element index
Data type: INT
Range of values: 0, 1, 2, ... ($MN_MM_MAXNUM_3D_PROT_AREA_ELEM -
1)
Protection area name
Data type: STRING
Comment
; 19. Protection area element,
; name of the parallel following
element: "Coolant nozzle 2"
Function Manual, 01/2015, 6FC5397-2BP40-5BA2
Special functions