Cycle116: Calculation Of Center Point And Radius Of A Circle - Siemens SINUMERIK 840D sl Programming Manual

Measuring cycle help programs
3.1 Measuring cycle subroutines
3.1.2

CYCLE116: Calculation of center point and radius of a circle

Function
This cycle calculates from three or four points positioned on one plane the circle they
inscribe with center point and radius.
To allow this cycle to be used as universally as possible, its data are transferred via a
parameter list.
An array of REAL variables of length 13 must be transferred as the parameter.
Programming
CYCLE116(_DATE, _ALM)
Parameter
• Input data
Parameter
_DATE [0]
_DATE [1]
_DATE [2]
_DATE [3]
_DATE [4]
_DATE [5]
_DATE [6]
_DATE [7]
_DATE [8]
3-2
Data type Meaning
REAL Number of points for calculation (3 or 4)
REAL Abscissa of first point
REAL Ordinate of first point
REAL Abscissa of second point
REAL Ordinate of second point
REAL Abscissa of third point
REAL Ordinate of third point
REAL Abscissa of fourth point
REAL Ordinate of fourth point
Programming Manual, Release 04/2006, 6FC5398-4BP10-0BA0
Measuring cycles