Replacement Of M40 - M45 (Gear Stage Change) - Siemens SINUMERIK 828D Function Manual

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Table of Contents

K1: Mode group, channel, program operation, reset response

9.15 Replacing functions by subprograms

Replacement of M40 - M45 (gear stage change)

When a coupling is active, the commands for gear stage change (M40, M41 ... M45) of the leading spindle are

replaced by calling a user-specific subprogram.

Parameterization

MD30465 $MA_AXIS_LANG_SUB_MASK, bit 0 = 1

Time that the subprogram is called

The time of the call cannot be set. The replacement subprogram is always called at the block start.

The call time depends on the configured output behavior of the auxiliary function to the PLC (see below

Output before or during motion: Subprogram call at the start of the block.

Output after motion: Subprogram call at the end of the block

MD22080 $MC_AUXFU_PREDEF_SPEC[12 ... 16] (output behavior for M41 ... M45)

Output of the auxiliary function before the motion

Output of the auxiliary function during the motion

Output of the auxiliary function after the motion

System variable to transfer information

The replacement subroutine is provided with all of the information relevant to the functions programmed in the

block via system variables (see Chapter "System variable [Page 652]"). The data refer exclusively to the block, in

which the function to be replaced has been programmed.

Function Manual, 09/2011, 6FC5397-0BP40-2BA0

Basic Functions

Sinumerik 840d sl