Siemens SINUMERIK 840D sl Programming Manual page 507

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Table of Contents

• Repositioning REPOS

• Deselection with CANCEL

Example of deselection with CANCEL

ID=17 EVERY $A_IN[3]==1 DO POS[X]=15 FA[X]=1500

WHEN ... DO DELDTG(X)

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Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0

After repositioning REPOS, the synchronized actions that were active in the interrupted

block are reactivated. After REPOS, the modal synchronized actions changed from the

asynchronous subroutine no longer act for the machining of the remaining block.

Polynomial coefficients programmed with FCTDEF are not affected by asynchronous

subroutines and REPOS. No matter where they were programmed, they can be used at

any time in the asynchronized subroutine and in the main program after execution of

If an active synchronized action is deselected with CANCEL, this does not affect the active

action. Positioning motions are completed as programmed.

The CANCEL command is used to interrupt a modally or statically active synchronized

action. If a synchronized action is canceled while the positioning axis movement that was

activated from it is still active, the positioning axis movement is interrupted. If this is not

required, the axis movement can be decelerated before the CANCEL command with axial

deletion of distance-to-go:

Motion synchronous actions

10.7 Restrictions

;Start positioning axis movement

;End positioning axis movement