Mitsubishi Electric MELSERVO-MR-J4 GF Series Instruction Manual page 96

Method -8 and -40 (dog cradle type home position return)
The following figure shows the operation of Homing method -8. The operation direction of Homing method -40 is opposite to
that of Homing method -8.
Statusword bit 10
Target reached
Statusword bit 12
Homing attained
Servo motor speed
Z-phase
DOG (Proximity dog)
Controlword bit 4
Homing operation start
*1 The home position shift distance can be changed with [Pr. PT07] and [Pr. PT69].
• When a home position return is started from the proximity dog
Home position return direction
Servo motor speed
Home position shift distance
• When the movement is returned at the stroke end
Servo motor speed
*1 This is not available with the software limit.
6 SERVO MOTOR DRIVING
94
6.1 Homing mode (hm)
ON
OFF
ON
OFF
Acceleration time
constant Home position return speed
Forward
rotation
0 r/min
10 ms or shorter
Reverse
rotation
ON
OFF
ON
OFF
ON
OFF
Forward
rotation
0 r/min
Reverse
rotation
Proximity dog
Home position return
position data
Forward
rotation
0 r/min
Reverse
rotation
Home position shift distance
Deceleration time constant
Proximity dog
Home position return position data
Home position return start position
Home position return direction
Home position return
start position
Creep speed
Home position return position data
Proximity dog
*1
Stroke end
Home position
*1
shift distance