Siemens SINUMERIK Series

M5: Measurement
7.5 Setting zeros, workpiece measuring and tool measuring
Extended Functions
522 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
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Figure 7-24 Two milling tools rotated at 90 degrees each with their own reference point
Settings in the system data:
Left-hand tool: Approach direction +x and tool orientation -y
System variable Meaning
$AC_MEAS_TOOL_MASK = 0x2 Tool position in x direction (G19)
$AC_MEAS_DIR_APPROACH = 0 Approach direction +x
Right-hand tool: Approach direction -x and tool orientation -y
$AC_MEAS_TOOL_MASK = 0x40 Tool position in the -x direction
$AC_MEAS_DIR_APPROACH = 1 Approach direction -x
For both tools
$AC_MEAS_Px_COORD = 0 Coordinate system of x-th measuring point =
WCS (default setting)
$AC_MEAS_SET_COORD = 0 Coordinate system of the setpoint =
WCS (default setting)