Delta-electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC Instrukcja Użytkownika Strona 211

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Chapter 10 Homing Motion Control Packet Protocol API | PCI-DMC-A01 / PCI-DMC-B01
Revised March, 2012 10-5
#7 to 14. Homing mode based on index pulse and Home switch
These methods use a Home switch that is only activated during some types of motion. In
actual fact, it can be activated when Position passes the switch on that axis.
With methods 7 to 10, initial movement is to the right. With methods 11 to 14, initial
movement is to the left. If the Home switch is already activated at the start of motion, then
the direction it initially moves in will depend on the edge it finds. The home position for
this mode is at the index pulse on a Home switch located on either side of the positive or
negative edge. The two diagrams below show how if initial direction did not the Home
switch, this motion must come into contact with a limit switch before it reverses direction.
Figure 10.5
Figure 10.6
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