Siemens SINUMERIK 840D sl Function Manual page 22

W1: Tool offset
2.2 Tool change and activation of tool offset
Default setting: M06 (acc. to DIN 66025)
①
②
③
④
Preselected tool
The tool for which the tool length offset values are to be taken into consideration during power
up of the controller and for reset or part program end depending on MD20110
$MC_RESET_MODE_MASK and for part program start depending on MD20112
$MC_START_MODE_MASK is defined with the machine data:
MD20121 $MC_TOOL_PRESEL_RESET_VALUE
Tool cutting edge D
Several cutting edges D1 ... D<n> can be assigned to one tool T<x>.
Maximum number of tool cutting edges per tool
The maximum number of tool cutting edges (D numbers) which can be defined for each tool is
specified by the following machine data:
MD18106 $MN_MM_MAX_CUTTING_EDGE_PERTOOL
D function
Selection of the desired tool cutting edge 1 ... <n> for processing is performed in the NC
program by programming the corresponding D function D1 ... D<n>.
The selected tool cutting edge always refers to the active tool. A tool cutting edge without active
tool (actual T number is T0 ⇒ no tool selected), is not effective.
All tool compensations for the active tool T<x> are deselected with D0.
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Spindle
Gripper
Magazine (here: chain magazine)
Tool change position
Function Manual, 06/2019, A5E47435126B AA
Tools