Mitsubishi Electric MELSERVO-JE Instruction Manual page 81

6. SERVO MOTOR DRIVING
4) Method 8 and Method 12 (Homing on home switch and index pulse)
The following figure shows the operation of Homing method 8. The operation direction of Homing
method 12 is opposite to that of Homing method 8.
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
When a home position return is started from the proximity dog
Servo motor speed
Note. This is not available with the software limit.
Acceleration time
constant
Home position return speed
10 ms or shorter
Home position
return direction
Forward
rotation
0 r/min
Reverse
rotation
Home position
shift distance
Proximity dog
Home position return
position data
Forward
rotation
0 r/min
Reverse
rotation
Home position
shift distance
When the servo motor returns at the stroke end
Deceleration time constant
Creep speed
Proximity dog
Proximity dog
Home position
return position data
Home position return start position
Home position
return direction
Home position return
start position
6 - 16
Home position
shift distance
Home position return
position data
Stroke end (Note)