Specifications

8-13
7) Dog type rear end reference home position return
Timing chart for dog type (rear end detection) home position return
The repeatability of a home position return depends on the creep speed. Set a low creep speed.
The accuracy of a home position return is
creep speed 1.5[ms].
ON
ON
ON
Servo-on (SON)
Ready (RD)
Trouble (ALM)
Automatic/manual
selection (MD0)
In position (INP)
Rough match (CPO)
Home position return
completion (ZP)
Motor speed
Z-phase pulse
Dog input signal(DOG)
Forward rotation
start (ST1)
Reverse rotation
start (ST2)
Moving distance after
proximity dog
Home position shift distance
Home position
address
Proximity dog
Home position return speed
Creep speed
5ms or less
8ms or more
ON
ON
ON
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
ON
A home position return can also be started
anywhere along the dog. The axis moves in
the direction opposite to the home position
return direction, returns to the front end of
the dog, and decelerates to a stop.
After that, an ordinary home position return
is performed automatically.
A home position return can also be started
anywhere past the dog.
In this case, the axis moves in the home
position return direction once. When the limit
switch is actuated, the rotation direction is
reversed, and the axis returns to the front end
of the dog and decelerates to a stop.
After that, an ordinary home position return is
performed automatically.
Note: When the dog cannot be detected during a
home position return from the position past.
the dog, the axis stops at the limit switch
located in the direction opposite to the home
position return direction.
The software limit is invalid for a home
position return.
Home position
return direction
Home position
Home position return
start position
Proximity dog
Home position
return direction
Home
position
Home position
return start position
Proximity dog
Limit
switch