Offset Number _Knum Extended For Tool Offset: Up To 9 Digits - Siemens SINUMERIK 840D sl Programming Manual
Measuring cycles hmi sl
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Parameter description
2.3 Description of the most important defining parameters
2.3.5
Offset number _KNUM extended for tool offset: up to 9 digits
Parameter
For special tool offset structures (D number structures), parameter _KNUM can have up to
nine digits.
The "Flat D number" functionality is implemented as from NCK-SW 4.
This function is defined with MD 18102: MM_TYPE_OF_CUTTING_EDGE=1. Up to 5-digit D
numbers are therefore possible.
"Unique D number" is a second method of implementing a 9-digit _KNUM.
As from NCK-SW 5 and depending on MD 18102: MM_TYPE_OF_CUTTING_EDGE=0 and
MD 18105: MM_MAX_CUTTING_EDGE_NO ³1000 the D number contains 5 digits and
_KNUM therefore has 9 digits.
References:/FB/, W1, "Tool Compensation"
The D number is contained in the five lowest digits of _KNUM. This is automatically
recognized in the cycles by the MD settings. The remaining digits of _KNUM still have the
same meaning but have been shifted two places along.
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Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
Measuring cycles
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