Delta Electronics High-Speed PCI 12-Axis Motion Control Card PCI-DMC-A01 - Manual (Page 209)

Chapter 10 Homing Motion Control Packet Protocol API | PCI-DMC-A01 / PCI-DMC-B01
Revised March, 2012 10-3
NOTE
#1. Homing mode using negative limit and index pulse message
Using this method, if the negative limit switch is disabled (low voltage level), then it will
begin by moving left. The home position is the index pulse offset to the right when it
touches the negative limit switch.
Figure 10.1
#2. Homing mode using positive limit and index pulse message
Using this method, if the positive limit switch is disabled (low voltage level) then it will
begin by moving right. The home position is the index pulse offset to the left when it
touches the negative limit switch.
Figure 10.2