SMC Networks LECSN-T Series User Manual

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20．PROFINET COMMUNICATION
(i) Method -10 and -42 (dog type front end reference home position return)
The following figure shows the operation of Homing method -10. The operation direction of Homing
method -42 is opposite to that of Homing method -10.
(Note)
ON
OFF
ON
OFF
Deceleration time constant
Creep speed
Travel distance after proximity dog
+
Home position shift distance
Home position
return speed
Home position return position data
Proximity dog
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
Statusw ord bit 10
Target reached
ON
OFF
Statusw ord bit 12
Homing attained
ON
OFF
Controlw ord bit 4
Homing operation start
DOG (Proximity dog)
Acceleration time
constant
3 ms or shorter
No
te.
After the front end of the proximity dog is detected, if the rear end of the proximity dog is detected without reaching the creep
speed, [AL. 90] occurs. Check the length of the proximity dog or check the home position return speed and creep speed.
Servo motor speed
Reverse
rotation
0 r/min
Home position
return direction
Home position return start position
After retracting to before proximity dog,
the home position return starts from here.
Proximity dog
When a home position return is started from the proximity dog
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
The home position return starts from here.
Home position
return direction
Home position return start position
Proximity dog
Stroke end (Note)
No
te.
The software limit cannot be used with these functions.
When the movement is returned at the stroke end

SMC Networks LECSN-T Series Specifications

General

Brand	SMC Networks
Model	LECSN-T Series
Category	Controller
Language	English