Mitsubishi Electric MELSERVO-J5 User Manual page 79

■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.
ON
Statusword bit 10
Target reached
OFF
ON
Statusword bit 12
Homing attained
OFF
Acceleration time constant
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
• When homing is started from the proximity dog
Homing direction
Forward
rotation
Servo motor speed 0 r/min
Reverse
rotation
Home position shift distance
travel distance after proximity dog
• When the stroke end is detected
Forward
rotation
Servo motor speed 0 r/min
Homing start position
Homing speed
3 ms or shorter
Proximity dog
+
Homing direction
The servo motor stops with [AL. 090].
Deceleration time constant
travel distance after proximity dog
Creep speed
Proximity dog
Homing position data
Homing start position
Stroke end
Home position shift distance
+
Homing position data
2 CONTROL MODE
2.1 Control mode [G]
2
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