Siemens SINUMERIK 840D sl Programming Manual page 198

Fundamentals
2.9 Motion commands
Syntax
CIP X... Y... Z... I1=AC(...) J1=AC(...) K1=(AC...)
Meaning
CIP:
X... Y... Z... :
I1... J1... K1... : Interpolation parameters to state the circle intermediate point coordinates in
Note
The default settings G90/G91 (absolute or incremental dimensions) are only valid for the circle
intermediate point and the circle end point.
With incremental dimensions G91 or ...=IC(...) active, the circle starting point is used as
the reference for the intermediate point and the end point.
198
Circular interpolation through intermediate point
Effective: Modal
Circle end point in Cartesian coordinates.
Depending on the currently valid dimensional notation setting G90/G91
or ...=AC(...) / ...=IC(...), the circle end point coordinates are in‐
terpreted either in the absolute dimension or in the incremental dimension.
the directions X, Y, Z
Depending on the currently valid dimensional notation setting G90/G91
or ...=AC(...) / ...=IC(...), the circle intermediate point coordinates
are interpreted either in the absolute dimension or in the incremental dimen‐
sion.
Note
An interpolation parameter with value 0 can be omitted, but the associated
second parameter must always be specified.
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming