Siemens sinumerik 840d Programming Manual page 324

Path Traversing Behavior
9
9.4 Axial leading value coupling, LEADON, LEADOF
840D 840D
NCU 571 NCU 572
NCU 573
Comment
; Defines all static synchronized actions.
; **** Reset marker
N2 $AC_MARKER[0]=0 $AC_MARKER[1]=0
$AC_MARKER[2]=0 $AC_MARKER[3]=0
$AC_MARKER[4]=0 $AC_MARKER[5]=0
$AC_MARKER[6]=0 $AC_MARKER[7]=0
N10 IDS=1
($A_IN[16]==1) AND ($AC_MARKER[0]==0)
DO LEADON(X,LW,1) LEADON(YL,LW,2)
LEADON(ZL,LW,3) $AC_MARKER[0]=1
N20 IDS=11
($A_IN[5]==0) AND ($AC_MARKER[5]==0)
DO LEADON(U,LW,4) PRESETON(U,0)
$AC_MARKER[5]=1
N21 IDS=12
($A_IN[5]==0) AND ($AC_MARKER[6]==0)
DO LEADON(V,LW,4) PRESETON(V,0)
$AC_MARKER[6]=1
N22 IDS=13
($A_IN[5]==0) AND ($AC_MARKER[7]==0)
DO LEADON(W,LW,4) PRESETON(W,0)
$AC_MARKER[7]=1
N30 IDS=3 EVERY ($A_IN[2]==1)
DO LEADOF(X,LW) LEADOF(YL,LW)
LEADOF(ZL,LW) LEADOF(U,LW)
LEADOF(V,LW) LEADOF(W,LW) $AC_MARKER[0]=0
$AC_MARKER[1]=0 $AC_MARKER[3]=0
$AC_MARKER[4]=0 $AC_MARKER[5]=0
$AC_MARKER[6]=0 $AC_MARKER[7]=0
....
N110 G04 F01
N120 M30
9-324
810D 840Di
EVERY ($A_IN[1]==1) AND
EVERY ($A_IN[1]==1) AND
EVERY ($A_IN[1]==1) AND
EVERY ($A_IN[1]==1) AND
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
; **** E1 0=>1 Coupling transfer ON
;**** E1 0=>1 Coupling roller feed ON
; **** E1 0->1 Coupling guide head ON
; **** E1 0->1 Coupling greasing ON
; **** E2 0=>1 Coupling OFF
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