Siemens SINUMERIK 840D sl Programming Manual page 343

Prerequisite
The probe must be calibrated in the measuring direction and as a tool with tool offset. The
tool type is 5xy.
The cutting edge position can be 5 to 8 and must be suitable for the measurement task.
Measuring variants
Measuring cycle CYCLE974 permits the following measuring variants that are specified in
parameter _MVAR.
Value
0
100
1000
Result parameters
Depending on the measuring variant, measuring cycle CYCLE974 returns the following
result values in the GUD5 block:
Parameter
_OVR [0]
_OVR [1]
_OVR [2]
_OVR [3]
_OVR [4]
_OVR [5]
_OVR [6]
_OVR [7]
_OVR [8]
_OVR [12]
_OVR [16]
_OVR [17]
_OVR [18]
_OVR [19]
_OVR [20]
_OVR [27]
_OVR [28]
_OVR [29]
_OVR [30]
_OVR [31]
_OVI [0]
_OVI [2]
_OVI [4]
Measuring cycles
Programming Manual, Release 04/2006, 6FC5398-4BP10-0BA0
Meaning
1-point measurement and tool offset
1-point measurement and ZO determination
1-point measurement with reversal and tool offset
Data type Result
REAL Setpoint value for measuring axis
REAL Setpoint in abscissa → only when _MA=1
REAL Setpoint in ordinate → only when _MA=2
REAL Setpoint in applicate → only when _MA=3
REAL Actual value for measuring axis
REAL Actual value in abscissa → only when _MA=1
REAL Actual value in ordinate → only when _MA=2
REAL Actual value in applicate → only when _MA=3
REAL Upper tolerance limit for measuring axis
1)
REAL Lower tolerance limit for measuring axis
1)
REAL Difference for measuring axis
REAL Difference in abscissa → only when _MA=1
REAL Difference in ordinate → only when _MA=2
REAL Difference in applicate → only when _MA=3
REAL Compensation value
1)3)
REAL Zero offset area
1)
REAL Safe area
REAL Dimensional difference
1)
REAL Empirical value
REAL Mean value
1)
INTEGER D number or ZO number
INTEGER Measuring cycle number
INTEGER Weighting factor
1)
Measuring Cycles for Turning Machines
6.5 CYCLE974 workpiece: 1-point measurement
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