Mitsubishi Electric MELSEC-Q Series - Page 431

6 - 244
6 POSITIONING CONTROL
(2) Home position return retry operation setting a current value outside the range of
external limit switch
(a) When the direction of "current value
home position" and home position
return is same, normal home position return is operated.
FLS
Travel range
RLS
Home position
return direction
Proximity dog
Home position
return start
Home
position
Zero
point
Direction of "current value home position"
and home position return is same
(b) When the direction of "current value
home position" and home position
return is reverse, deceleration stop is made with the proximity dog OFF and
home position return is operated to preset direction of home position return.
2)
Home position
return direction
Home position
return start
Proximity dog
Home
position
Travel range
Zero
point
FLS
RLS
1)
3)
Direction of "current value home position"
and home position return is reverse
1) It travels to preset reverse direction of home
position return with the home position return
speed.
2) A deceleration stop is made by the proximity
dog OFF.
3) After a deceleration stop, it travels to direction
of home position return, the home position
return ends.