Mitsubishi Electric MELSERVO-J4 MR-J4-TM Instruction Manual page 68

6. CONTROL MODE
3) Method 7 and Method 11 (Homing on home switch and index pulse)
The following figure shows the operation of Homing method 7. The operation direction of Homing
method 11 is opposite to that of Homing method 7.
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
Home position return speed
constant
3 ms or shorter
Home position shift distance
Servo motor speed
Reverse
rotation
After retracting to before proximity dog,
the home position return starts from here.
When a home position return is started from the proximity dog
Home position
return direction
Forward
Home position return start position
rotation
0 r/min
Reverse
rotation
The home position return starts from here.
When the movement is returned at the stroke end
Deceleration time constant
Creep speed
Home position
return direction
0 r/min
Proximity dog
6 - 25
Home position return position data
Proximity dog
Proximity dog
Home position return start position
Stroke end (Note)