Mitsubishi Electric MELSERVO-J5 MR-J5 Series User Manual page 53

■Method 7 and Method 11 (Homing on home switch and index pulse)
The following figure shows the operation of Homing method 7. The homing direction of Homing method 11 is opposite to that
of Homing method 7.
ON
Statusword bit 10
Target reached
OFF
ON
Statusword bit 12
Homing attained
OFF
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
Servo motor speed 0 r/min
Reverse
rotation
The homing start position is automatically moved back to the position
just before the proximity dog, and homing starts from here.
• When the servo motor returns at the stroke end
Homing direction
Forward
rotation
Servo motor speed 0 r/min
Reverse
rotation
Homing starts from here.
*1 This cannot be used with the software limit.
Acceleration time constant Homing speed
3 ms or shorter
Home position
shift distance
Proximity dog
Proximity dog
Homing start position
Deceleration time constant
Creep speed
Homing start position
Homing position data
Proximity dog
*1
Stroke end
2 CONTROL MODE
2.1 Control mode [G] [WG]
2
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