Siemens Sinumerik 840D sl Programming Manual page 354

Supplementary commands
15.3 Working area limitation
Meaning
$P_WORKAREA_CS_COORD_SYSTEM[<n>]=<value>:
$P_WORKAREA_CS_PLUS_ENABLE[<n>,<Ax>]=<value>:
$P_WORKAREA_CS_MINUS_ENABLE[<n>,<Ax>]=<value>:
$P_WORKAREA_CS_LIMIT_PLUS[<n>,<Ax>]=<value>:
$P_WORKAREA_CS_LIMIT_MINUS[<n>,<Ax>]=<value>:
Activation of the working area limitations of group <n>
WALCS<n>:
Deactivation of the working area limits active in the channel
WALCS0:
Example
Three axes are defined in the channel: X, Y and Z
A working area limitation group No. 2 is to be defined and then activated in which the axes are
to be limited in the WCS according to the following specifications:
● X axis in the plus direction: 10 mm
● X axis in the minus direction: No limitation
● Y axis in the plus direction: 34 mm
● Y axis in the minus direction: -25 mm
● Z axis in the plus direction: No limitation
● Z axis in the minus direction: -600 mm
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The coordinate system to which the working area limitation
group refers
Number of the working area limitation group
<n>:
Type:
Range of values: 1 ... 10
Note:
The actual available number of working area
limitation groups depends on the configuring
(→ see details of the machine manufacturer).
<value>: Value of the type INT
1 Workpiece coordinate system (WCS)
3 Settable zero system (SZS)
Enable the working area limitation in the positive axis di‐
rection for the specified channel axis
Enable the working area limitation in the negative axis di‐
rection for the specified channel axis
Number of the working area limitation group
<n>:
Channel axis name
<Ax>:
<value>: Value of the type BOOL
0 (FALSE)
1 (TRUE)
Working area limitation in the positive direction of the speci‐
fied channel axis
Working area limitation in the negative direction of the
specified channel axis
Number of the working area limitation group
<n>:
Channel axis name
<Ax>:
<value>: Value of the type REAL
Programming Manual, 01/2015, 6FC5398-1BP40-5BA2
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Fundamentals