Parker Hannifin VIX250IM Stepper Machine User Manual


 
VIX IM MICROSTEPPER INDEXER DRIVE USER GUIDE
82
If the negative edge of the home switch is selected in the homing configuration command a
similar motion path would be followed, but finishing on the other side of the home switch, as
shown in Figure 4-9.
POSITIVE
LIMIT
Start (from positive
side of home)
GH
GH
GH negative
GH positive
Positive
edge
Negative
edge
HFrps
HOME SWITCH
OPERATING
RANGE
Finish
Figure 4-9. Go Home to Negative Edge
Motion starting on the negative side of the home switch will behave in a similar way, the only
difference being the direction of travel. If the drive was started up already within the
boundaries of the home switch and a go home command was given for a particular edge the
motion would follow the path shown in Figure 4-10, depending upon which edge was
requested. In this situation the home position is known so the indexer knows in which
direction to travel to seek the appropriate edge. In Figure 4-10 acceleration and deceleration
are set to the same value.
Finish
Finish
Positive
edge
Negative
edge
HOME SWITCH
OPERATING
RANGE
HFrps HFrps
Start
Figure 4-10. Go Home Starting from Home
Note: If the home configuration command is set to mode 0 and the home switch is already in
its active range, no movement will take place.