Mitsubishi Electric MELSERVO-JET MR-JET User Manual page 68

■Method 20 and Method 22 (Homing without index pulse)
The following figure shows the operation of Homing method 20 when the home position shift distance is a positive value. The
homing direction of Homing method 22 is opposite to that of Homing method 20.
Statusword bit 10
Target reached
Statusword bit 12
Homing attained
Servo motor speed
Z-phase
DOG (Proximity dog)
Controlword bit 4
Homing operation start
• When homing is started from the proximity dog
Servo motor speed
• When the stroke end is detected
Servo motor speed
2 CONTROL MODE
66
2.1 Control mode
ON
OFF
ON
OFF
Acceleration time constant
Homing speed
Forward
rotation
0 r/min
3 ms or shorter
Reverse
rotation
ON
OFF
ON
OFF
ON
OFF
Homing direction
Forward
rotation
0 r/min
Reverse
rotation
Home position shift distance
+
travel distance after proximity dog
Homing direction
Forward
rotation
0 r/min
Homing start position
Deceleration time constant
Proximity dog
Homing position data
Homing start position
Stroke end
The servo motor stops with [AL. 090].
Home position shift distance
+
travel distance after proximity dog
Creep speed
Homing position data
Proximity dog