Mitsubishi Electric MELSERVO-J4 MR-J4-TM Instruction Manual page 73

6. CONTROL MODE
8) Method 24 and Method 28 (Homing without index pulse)
The following figure shows the operation of Homing method 24. The operation direction of
Homing method 28 is opposite to that of Homing method 24.
ON
Statusword bit 10
Target reached
OFF
ON
Statusword bit 12
Homing attained
OFF
Forward
rotation
Servo motor speed 0 r/min
Reverse
rotation
ON
Z-phase
OFF
ON
DOG (Proximity dog)
OFF
ON
Controlword bit 4
Homing operation start
OFF
Servo motor speed
Note. The software limit cannot be used with these functions.
Acceleration time
constant
Home position return speed
3 ms or shorter
Forward
rotation
Servo motor speed
Reverse
rotation
Home position shift distance
Travel distance after proximity dog
When a home position return is started from the proximity dog
Home position return
position data
Forward
rotation
0 r/min
Reverse
rotation
Home position
shift distance
When the movement is returned at the stroke end
Deceleration time constant
Home position
return direction
0 r/min
+
Home position
return direction
Proximity dog
Home position return
start position
6 - 30
Home position shift distance
+
Travel distance after proximity dog
Creep speed
Home position return
position data
Proximity dog
Proximity dog
Home position
return position data
Home position return start position
Stroke end (Note)