4 STARTUP
4.6 Home position return mode
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4
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Method 24 and Method 28 (Homing without index pulse)
The following figure shows the operation of Homing method 24. The operation direction of Homing method 28 is opposite to
that of Homing method 24.
• When a home position return is started from the proximity dog
• When the movement is returned at the stroke end
*1 This is not available with the software limit.
Home position return speed
Deceleration time
constant
Creep speed
Home position return
position data
Proximity dog
Home position shift distance
+
Travel distance after proximity dog
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
Statusword bit 10
Target reached
ON
OFF
ON
OFF
Statusword bit 12
Homing attained
ON
OFF
ON
OFF
Controlword bit 4
Homing operation start
ON
OFF
Z-phase
DOG (Proximity dog)
Acceleration time
constant
3 ms or shorter
Home position
return direction
Home position return start position
Home position shift distance
+
Travel distance after proximity dog
Servo motor speed
Reverse
rotation
0 r/min
Home position
return position data
Forward
rotation
Proximity dog
Stroke end
*1
Home position
shift distance
Home position
return direction
Home position return
start position
Servo motor speed
Forward
rotation
Reverse
rotation
0 r/min
Home position return
position data
Proximity dog
Summary of Contents for MELSERVO-J4 series
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