Mitsubishi Electric Melservo-Jet MR-JET-G Series User Manual page 49

■Method 8 and Method 12 (Homing on home switch and index pulse)
The following figure shows the operation of Homing method 8. The homing direction of Homing method 12 is opposite to that
of Homing method 8.
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
Forward
rotation
Servo motor speed 0 r/min
Reverse
rotation
Home position shift distance
• When the servo motor returns at the stroke end
Forward
rotation
Servo motor speed 0 r/min
Reverse
rotation
Home position shift distance
*1 This cannot be used with the software limit.
Acceleration time constant
Homing speed
3 ms or shorter
Proximity dog
Proximity dog
Homing position data
Deceleration time constant
Creep speed
Proximity dog
Homing position data
Homing start position
Homing direction
Homing start position
Home position
shift distance
Homing position data
*1
Stroke end
2 CONTROL MODE
2.1 Control mode
2
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