Siemens SINUMERIK 840D sl Function Manual page 531

Program code
T1 D1
g0 x0 y0 z0 f10000
G54
$AC_MEAS_VALID = 0
g1 x-3 y0
$AA_MEAS_POINT1[x] = $AA_IW[x]
$AA_MEAS_POINT1[y] = $AA_IW[y]
$AA_MEAS_POINT1[z] = $AA_IW[z]
g1 x0 y3
$AA_MEAS_POINT2[x] = $AA_IW[x]
$AA_MEAS_POINT2[y] = $AA_IW[y]
$AA_MEAS_POINT2[z] = $AA_IW[z]
g1 x3 y0
$AA_MEAS_POINT3[x] = $AA_IW[x]
$AA_MEAS_POINT3[y] = $AA_IW[y]
$AA_MEAS_POINT3[z] = $AA_IW[z]
$AA_MEAS_SETPOINT[x] = 0
$AA_MEAS_SETPOINT[y] = 0
$AA_MEAS_SETPOINT[z] = 0
$AC_MEAS_ACT_PLANE = 0
$AC_MEAS_FRAME_SELECT = 0
$AC_MEAS_T_NUMBER = 1
$AC_MEAS_D_NUMBER = 1
$AC_MEAS_TYPE = 8
RETVAL = MEASURE()
if RETVAL <> 0
setal(61000 + RETVAL)
endif
if $AC_MEAS_DIAMETER <> 10
setal(61000 + $AC_MEAS_WP_ANGLE)
endif
$P_SETFRAME = $AC_MEAS_FRAME
Extended Functions
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
8.5 Setting zeros, workpiece measuring and tool measuring
Comment
: Measure hole
; Set all input values to invalid
; 1. Approach measuring point
; 2. Approach measuring point
; 3. Approach measuring point
; Set setpoint position of the center
; Measuring plane is G17
; Select frame - SETFRAME
; Select tool
; Set measuring type on hole
; Start measuring process
; Query known diameter
M5: Measurement
531