ADLINK Technology PCI-8254, User Manual

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112 Motion Control Theory
• Relevant axis parameters setup
Figure 4-21: Home mode 0 (Case: ORG)
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 0 Homing by moving forward in positive direction
PRA_HOME_EZA 0 Further align with signal EZ, 0: No, 1: Yes
PRA_HOME_S 0 S-curve factor
PRA_HOME_ACC ACC
Acceleration and deceleration in unit of (distance unit
of measure/sec.
2
)
PRA_HOME_VS VS Initial speed in unit of (distance unit of measure/sec.)
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 final homing position against
alignment signal (distance unit of measure / pulse)
Condition B
Condition A
Initial
position
Home position
Home
position
Initial position
VM: Home searching speed VO: Home approaching speed
Condition C