Mitsubishi Electric MELSERVO-J4 series, Instruction Manual

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4 STARTUP
4.6 Home position return mode
■
Method 33 and Method 34 (Homing on index pulse)
The following figure shows the operation of Homing method 34. The operation direction of Homing method 33 is opposite to
that of Homing method 34.
• When the stroke end is detected
■
Method 35 and Method 37 (Homing on current position)
The following figure shows the operation of Homing method 35 and Homing method 37. These methods can be performed in
the servo-off status.
Deceleration time
constant
Home position shift distance ON
OFF
ON
OFF
Controlword bit 4
Homing operation start
Creep speed
Creep speed
Home position return
position data
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
Statusword bit 10
Target reached
ON
OFF
Statusword bit 12
Homing attained
ON
OFF
Z-phase
Acceleration time
constant
3 ms or shorter
Home position return start position
Home position
return direction
Servo motor speed
Forward
rotation
0 r/min
The servo motor stops due to
the occurrence of [AL. 90].
Stroke end
ON
OFF
ON
OFF
Statusword bit 12
Homing attained
Controlword bit 4
Homing operation start
Home position return position data
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation