Predefined Functions - Siemens SINUMERIK 840D sl Programming Manual

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4.6 Predefined functions

4.6 Predefined functions
The call of a predefined function triggers the execution of a predefined NC function, which in
contrast to the predefined procedure, supplies a return value. The call of the predefined
function can be an operand in an expression.
Coordinate system
Identifier Return val‐
ue
CTRANS FRAME
CFINE FRAME
CSCALE FRAME
CROT FRAME
CROTS FRAME
CMIRROR
FRAME
1290
1. 2.
AXIS: REAL: Offset
Axis identifier
AXIS: REAL: Offset
Axis identifier
AXIS: REAL:
Axis identifier Scale factor
1. 2.
AXIS: REAL: Rota‐
Axis identifier tion
AXIS: REAL: Rota‐
Axis identifier tion with solid
angle
1.
AXIS
Parameter
3. - 15.
AXIS: REAL: Offset
Axis identifier
AXIS: REAL: Offset
Axis identifier
AXIS:
Axis identifier Scale factor
3. and 5.
AXIS: REAL: Rota‐
Axis identifier
AXIS: REAL: Rota‐
Axis identifier tion with solid
2. – 8.
AXIS
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Explanation
4. - 16.
Translation: Zero offset
COARSE for multiple ax‐
es
Translation: Zero offset
for FINE multiple axes
REAL: Scale: Scale factor for
multiple axes
4. and 6.
Rotation: Rotation of the
tion current coordinate sys‐
tem
Maximum number of pa‐
rameters: 6
(one axis identifier and
one value per geometry
axis)
Rotation: Rotation of the
current coordinate sys‐
angle tem with solid angle
Maximum number of pa‐
rameters: 6
(one axis identifier and
one value per geometry
axis)
Mirror: Mirror on a coor‐
dinate axis
NC programming