2 CONTROL MODE
2.1 Control mode [G] [WG]
51
2
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Method 3 (Homing on positive home switch and index pulse) and Method 5 (Homing on
negative home switch and index pulse)
The following figure shows the operation of Homing method 3. The homing direction of Homing method 5 is opposite to that of
Homing method 3.
• When homing is started from the proximity dog
• When the stroke end is detected
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
0 r/min
Homing speed
Acceleration time constant
Deceleration time constant
Homing position data
Forward
rotation
Servo motor speed
3 ms or shorter
Reverse
rotation
Creep speed
Home position
shift distance
Proximity dog
Z-phase
DOG (Proximity dog)
0 r/min
Homing direction
Proximity dog
Servo motor speed
Reverse
rotation
Homing start position
The homing start position is automatically moved back to the position
just before the proximity dog, and homing starts from here.
0 r/min
Homing direction
Stroke end
Forward
rotation
Servo motor speed
Homing start position
The servo motor stops with [AL. 090].