ADLINK PCI-8258 - Manual (Page 129)

Motion Control Theory 115
PCI-8254 / PCI-8258
Figure 4-23: Home mode 0 (Case: ORG+EZ)
Figure below indicates a negative direction example:
• Relevant axis parameters setup
PRA_HOME_VM VM
Speed of original position searching in unit of
(distance unit of measure/sec.)
PRA_HOME_VO VO
Homing speed in unit of (distance unit of
measure/sec.)
PRA_HOME_SHIFT 0
Shift amount of homing position (distance unit of
measure)
Axis parameters
Axis
parameter
values
Description to axis parameter value
PRA_HOME_MODE 0 Employing home mode 0 (homing by ORG signal)
PRA_HOME_DIR 1 By negative direction forward homing
PRA_HOME_EZA 1 Further align with signal EZ, 0: No, 1: Yes
PRA_HOME_S 0 S-curve factor
Axis parameters
Axis
parameter
values
Description to axis parameter value
Condition A
Condition B and C
Initial position
VM: Home searching speed VO: Home approaching speed
Initial position
Home position
Home position