Festo Контроллеры двигателя SFC-LAC - Manual (Page 37)

1. System overview
1−15 Festo GDCP−SFC−LACI−CO−EN en 0812NH
Homing methods to switch with index search
Ĉ Switch negative (at the retracted end position)
1
2
REF AZ
+
Offset
Ref
Ĉ Switch positive (at the extended end position)
1
2
REF AZ
Offset
Ref
1 The drive (here: DFME−...−LAS) moves at search speed v_rp to
the switch and reverses. After leaving the switching range, the
drive moves to the next index signal of the displacement enĆ
coder. The reference point REF is there.
2 Then the drive moves at speed v_zp from the reference point
REF to the axis zero point AZ.
Tab. 1/2: Homing to switch with index search