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2 CONTROL MODE
2.1 Control mode [G] [WG]
■
Method 24 and Method 28 (Homing without index pulse)
The following figure shows the operation of Homing method 24. The homing direction of Homing method 28 is opposite to that
of Homing method 24.
• When homing is started from the proximity dog
• When the servo motor returns at the stroke end
*1 This cannot be used with the software limit.
ON
OFF
ON
OFF
Controlword bit 4
Homing operation start
ON
OFF
0 r/min
Statusword bit 10
Target reached
ON
OFF
Statusword bit 12
Homing attained
ON
OFF
Deceleration time constant
Homing speed
Creep speed
Forward
rotation
Servo motor speed
3 ms or shorter
Reverse
rotation
Homing position data
Proximity dog
Z-phase
DOG (Proximity dog)
Acceleration time constant
Home position shift distance
+
travel distance after proximity dog
0 r/min
Homing direction
Proximity dog
Homing position data
Forward
rotation
Servo motor speed
Reverse
rotation
Homing start position
Home position shift distance
+
travel distance after proximity dog
0 r/min
Homing direction
Stroke end
*1
Proximity dog
Homing position data
Homing start position
Forward
rotation
Servo motor speed
Reverse
rotation
Home position shift distance
+
travel distance after proximity dog