Siemens SINUMERIK 840DE Programming Manual page 105

Note
The coordinates for the individual axes apply in the basic coordinate system!
Further information
You will find the CALCPOSI subroutine in the Advanced Programming Guide This routine
can be used to check in advance whether traversal of the planned path will take into account
working area limitations or protection zones.
Fundamentals
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
3.8 Working area limitation (G25/G26, WALIMON, WALIMOF)
Positional Data
3-31