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4 STARTUP
4.6 Home position return mode
Method -8 and -40 (dog cradle type home position return)
The following figure shows the operation of Homing method -8. The operation direction of Homing method -40 is opposite to
that of Homing method -8.
• When a home position return is started from the proximity dog
• When the movement is returned at the stroke end
*1 This is not available with the software limit.
Home position
shift distance
Proximity dog
3 ms or shorter
Home position return speed
Deceleration time constant
Creep speed
Home position return
position data
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
Statusword bit 10
Target reached
ON
OFF
ON
OFF
Statusword bit 12
Homing attained
ON
OFF
ON
OFF
Controlword bit 4
Homing operation start
ON
OFF
Z-phase
DOG (Proximity dog)
Acceleration time
constant
Home position
return direction
Home position return start position
Home position
shift distance
Servo motor speed
Reverse
rotation
0 r/min
Home position
return position data
Forward
rotation
Proximity dog
Stroke end
*1
Home position
shift distance
Home position
return direction
Home position return
start position
Servo motor speed
Forward
rotation
Reverse
rotation
0 r/min
Home position return
position data
Proximity dog
Summary of Contents for MELSERVO-J4 series
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