4. HOW TO USE THE POINT TABLE
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4.4.10 Dog type last Z-phase reference home position return
After the front end of a proximity dog is detected, the position is shifted away from the proximity dog at the
creep speed in the reverse direction and then specified by the first Z-phase signal. The position of the first Z-
phase signal is set as the home position.
(1) Device/parameter
Set input devices and parameters as follows.
Item Device/parameter to be used Setting
Home position return mode
selection
MD0 (Operation mode selection 1) Switch on MD0.
DI0 (Point table No. selection 1) to
DI4 (Point table No. selection 5)
Switch off DI0 to DI4.
Dog type last Z-phase
reference home position
return
[Pr. PT04]
_ _ _ 8: Select the dog type last Z-phase
reference.
Home position return
direction
[Pr. PT04]
Refer to section 4.4.1 (2) to select the home
position return direction.
Dog input polarity [Pr. PT29]
Refer to section 4.4.1 (2) to select the dog
input polarity.
Home position return speed [Pr. PT05]
Set the rotation speed specified until a dog is
detected.
Creep speed [Pr. PT06]
Set the rotation speed specified after a dog is
detected.
Home position shift distance [Pr. PT07]
Set this item to shift the home position, which
is specified by the Z-phase signal.
Acceleration time
constant/deceleration time
constant of home position
return
Point table No. 1
The acceleration/deceleration time constant
of point table No. 1 is used.
Home position return position
data
[Pr. PT08]
Set the current position when the home
position return is complete.
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