Siemens SINUMERIK 840D sl Function Manual page 629

Input variable
$AC_MEAS_INPUT[0]
$AC_MEAS_TYPE
* optional
The following output variables are written for measurement type 12:
Output variable
$AC_MEAS_FRAME
$AC_MEAS_RESULTS[0]
$AC_MEAS_RESULTS[1]
Example
Groove measurement with approach direction in x
DEF INT RETVAL
DEF FRAME TMP
$TC_DP1[1,1]=120
$TC_DP2[1,1]=20
$TC_DP3[1,1]= 10
$TC_DP4[1,1]= 0
$TC_DP5[1,1]= 0
$TC_DP6[1,1]= 2
T1 D1
g0 x0 y0 z0 f10000
G54
$P_CHBFRAME[0] = crot(z,45)
$P_IFRAME[x,tr] = -sin(45)
$P_IFRAME[y,tr] = -sin(45)
$P_PFRAME[z,rt] = -45
$AC_MEAS_VALID = 0
g1 x-2
$AA_MEAS_POINT1[x] = $AA_IW[x]
$AA_MEAS_POINT1[y] = $AA_IW[y]
$AA_MEAS_POINT1[z] = $AA_IW[z]
Extended Functions
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
8.4 Setting zeros, workpiece measuring and tool measuring
Description
Approach direction for 2nd measuring point for a recess
measurement. Must have the same coordinate as the
approach direction of the 1st point. *
0: +x, 1: -x, 2: +y, 3: -y, 4: +z, 5: -z
12
Description
Result frame with translation
Position of calculated groove center (x0, y0 or z0)
Groove width in approach direction
; Type
; 0
; (z) length compensation vector
; (y)
; (x)
; Radius
; Measure groove
; Set all input values to invalid
; Approach 1st measuring point
Measurement (M5)
629