Siemens SINUMERIK 840D sl Programming Manual page 455

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Example of fast axial deletion of distance-to-go

Cancelation of a positioning movement:

ID=1 WHEN $A_IN[1]==1 DO MOV[V]=3 FA[V]=700

WHEN $A_IN[2]==1 DO DELDTG(V)

Delete distance-to-go depending on the input

WHEN $A_INA[5]>8000 DO DELDTG(X1)

;As soon as the voltage at input 5 exceeds 8V, delete distance-to-go for axis X1.

Path motion continues.

POS[X1]=100 FA[X1]=10 G1 Z100 F1000

At the end of a traversing block in which a prepared delete distance-to-go was triggered,

preprocess stop is activated implicitly.

Continuous path mode or positioning axis movements are therefore interrupted or stopped at

the end of the block with fast delete distance-to-go.

Prepared delete distance-to-go

• cannot be used with active tool radius correction.

• the action must only be programmed in non modal synchronized actions (without

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

10.4 Actions in synchronized actions

;Delete distance-to-go, the axis is stopped

;using MOV=0

Motion synchronous actions