2 CONTROL MODE
2.1 Control mode [G] [WG]
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2
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Method 19 and Method 21 (Homing without index pulse)
The following figure shows the operation of Homing method 19. The homing direction of Homing method 21 is opposite to that
of Homing method 19.
• When homing is started from the proximity dog
• When the stroke end is detected
Statusword bit 10
Target reached
Statusword bit 12
Homing attained
0 r/min
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Controlword bit 4
Homing operation start
Deceleration time constant
Homing speed
Travel distance after proximity dog
+
home position shift distance
Acceleration time constant
Homing position data
Forward
rotation
Servo motor speed
3 ms or shorter
Reverse
rotation
Creep speed
Proximity dog
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].