8 Home Position Return and Internal Positions
166 SD780 Series Servo Technical Manual
Home position return method 23
a.Start the home position return →Home position signal OFF →Search for the rising edge of
home position at high speed forward direction →Decelerate to 0 →Stop after searching for the
falling edge of home position at low speed reverse direction.
23-a
H
-L
Home position
signal
Limit signal
Home position
signal
Forward
direction
Running route
Limit signal
Motor
Home position return method 23-a
b.Start the home position return →Home position signal ON →Stop after searching for the falling
edge of home position at low speed reverse direction.
23-b
-L
Home position
signal
Limit signal
Home position
signal
Forward
direction
Running route
Limit signal
Motor
Home position return method 23-b
