Download FP2 Positioning Unit Manual, ARCT1F282E5

FP2 Positioning Unit
Positioning Unit Operation if an Error Occurs
13.3 Resolving Problems
13.3.5
The Stopping Position is Off for a Home Return
Stopping position
is exceeded
Startup speed
t [ms]
X7
Near home input switch: on
X6
Home input: on
Conditions
When a home return is carried out, there is a possibility that the speed cannot be slowed
sufficiently. If deceleration cannot be continued down to the startup speed, the unit will
not stop even if there is home input.
Solution 1
Try shifting the position of the near home input switch in the direction of the home return,
and in the opposite direction.
Deceleration completed
Normal stopping
position
Startup speed
t [ms
X7
Near home input switch: on
X6
Home input: on
Point to check
If the home input is connected to the Z phase of the servo motor driver, there may be
cases in which the near home input position is close to the home input.
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