Free Assignment Of D Numbers - Siemens SINUMERIK 840D sl Function Manual

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Table of Contents

W1: Tool offset

● If tool management is active, D4 refers to tool "5".

T2=50 defines the tool for the secondary spindle, whose tool does not influence the path

compensation. The path is determined exclusively by the tool programmed for the master

● D4 relates to tool "50" without active tool management and with the machine data:

MD20096 $MC_T_M_ADDRESS_EXT_IS_SPINO = FALSE (significance of address

extension on T, M tool change).

The address extensions of neither T nor M are evaluated in the NCK.

Each tool change command defines a new path compensation.

● D4 relates to tool "5" (as when tool management is active) without active tool management

and with the machine data:

MD20096 $MC_T_M_ADDRESS_EXT_IS_SPINO = TRUE.

Address extension 1 (T1= ..., M1= ...) addresses the master spindle.

Previously, when tool management was not activated, each tool change command

(programmed with T or M) caused the tool compensation to be recalculated in the path.

The address extension is not defined further by this operation. The significance of the

extension is defined by the user (in the PLC user program).

Free assignment of D numbers

"Relative" D numbers

In the NC it is possible to manage the D numbers as "relative" D numbers for the tool

compensation data sets. The corresponding D numbers are assigned to each T number.

Function Manual, 01/2015, 6FC5397-0BP40-5BA2

Basic Functions

Sinumerik 828d Sinumerik 840de sl