ADLINK PCI-8134A - Manual (Page 155)

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• Appendix A
Appendix A: Auto Home Return
Modes
PCI-8134/PCI-8134A provides 5 extra home return modes from 3 to 7
which are implemented in an independent thread under Win32 system.
These modes are based on original 3 basic modes and can achieve auto
searching jobs during homing. Users do not worry about the end-limit case
and starting position when homing.
The following figures show the timing charts of these extra home modes.
Users should take notice of the timing charts and be aware of the
limitations.
home_mode = 3 : Based on home mode 0
It can search the ORG edge signal at a specific direction automatically.
_8134_motion_done() function will return a phase code during homing.
ORG
EL
Case 1
Case 2
Reset
Reset
Case 3
ORG Offset
Reset