Path traversing behavior
9.4 Axial leading value coupling (LEADON, LEADOF)
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
9-33
Actions
The actions that occur include, for example, the following synchronized actions:
• Activate coupling, LEADON(following axis, leading axis, curve table
number)
• Deactivate coupling, LEADOF(following axis, leading axis)
• Set actual value, PRESETON(axis, value)
• Set marker, $AC_MARKER[i]= value
• Coupling type: real/virtual master value
• Approaching axis positions, POS[axis]=value
Conditions
Fast digital inputs, real-time variables $AC_MARKER and position comparisons are linked
using the Boolean operator AND for evaluation as conditions.
Note
In the following example, line change, indentation and bold type are used for the sole
purpose of improving readability of the program. To the control, everything that follows a line
number constitutes a single line.
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 $AC_MARKER[7]=0
; **** E1 0=>1 coupling transfer ON
N10 IDS=1 EVERY ($A_IN[1]==1) AND
($A_IN[16]==1) AND ($AC_MARKER[0]==0)
DO LEADON(X,LV,1) LEADON(YL,LV,2)
LEADON(ZL,LV,3) $AC_MARKER[0]=1
; **** E1 0=>1 coupling roller feed ON
N20 IDS=11 EVERY ($A_IN[1]==1) AND
($A_IN[5]==0) AND ($AC_MARKER[5]==0)
DO LEADON(U,LV,4) PRESETON(U,0)
$AC_MARKER[5]=1
; **** E1 0->1 coupling guide head ON
N21 IDS=12 EVERY ($A_IN[1]==1) AND
($A_IN[5]==0) AND ($AC_MARKER[6]==0)
DO LEADON(V,LV,4) PRESETON(V,0)
$AC_MARKER[6]=1
; **** E1 0->1 coupling greasing ON
N22 IDS=13 EVERY ($A_IN[1]==1) AND
($A_IN[5]==0) AND ($AC_MARKER[7]==0)
DO LEADON(W,LV,4) PRESETON(W,0)
$AC_MARKER[7]=1
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