6 POSITIONING CONTROL

(c)When the proximity dog is set in the home position return direction, the proximity dog is turned OFF during travel to reverse direction of home position return, and the zero point is not passed, it continues to travel in the reverse direction of home position return with home position return speed until the zero point is passed. The zero point is passed again during deceleration by zero point pass, the home position becomes this side compared with the case to pass zero point at the time of the proximity dog OFF.

Acceleration time Deceleration time

 

 

Home position

V

Home position

return speed

return direction

 

 

 

1)

 

 

Creep speed

 

 

5)

1)It travels to preset direction of home position return with the home position return speed.

2)A deceleration stop is made by the proximity dog ON.

3)After a deceleration stop, it travels to reverse direction of home position return with the home position return speed.

4)If the zero point is passed by the proximity dog OFF, a deceleration stop is made.

5)After a deceleration stop, it travels to direction of home position return with the

2)creep speed, and the home position return ends with first zero point after the proximity dog ON.

 

Home position

Home position

 

return start

4)

Home position

3)

 

 

return speed

 

Proximity dog

Zero point

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