Mitsubishi Electric MELSEC Q Series User Manual page 140

7 OPR CONTROL
Zero point
(2) There is a proximity dog in the opposite direction against of OPR
1) Start the OPR.
(It starts to accelerate at the time set in"
direction set in "
" OPR speed".)
Pr.54
2) It stops at the time set in "
limit switch detection of "OPR direction".
3) After stop, it moves in the opposite direction against of OPR at the OPR
speed.
4) If the zero point is passed with the proximity dog OFF, a deceleration stop is
made. (If the zero point is not passed, it continues to move until the zero
point is passed, and then a deceleration stop is made.)
5) After deceleration stop, it moves in the direction of OPR at the speed set in
" Creep speed", and the OPR completes at the first zero point after
Pr.56
proximity dog ON.
V
OPR direction
Pr.51
5)
Proximity dog
OPR direction", and it moves at the speed set in
Pr.51
Sudden stop deceleration time" with the
Pr.17
Creep speed
Pr.56
OP
4)
7 - 9
OPR acceleration time" to the
Pr.58
2)
1)
3)
OPR start
Limit switch
MELSEC-Q
OPR speed
Pr.54