Mitsubishi Electric D75D4, User Manual

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12 - 9
MELSEC-Q
12 CONTROL SUB FUNCTIONS
[2] Setting range for the OP shift amount
Set the OP shift amount within the range from the detected zero signal to the
upper/lower limit switches.
Fig. 12.5 Setting range for the OP shift amount
[3] Movement speed during OP shift
When using the OP shift function, the movement speed during the OP shift is set
in " Pr.56 Speed designation during OP shift". The movement speed during the
OP shift is selected from either the " Pr.46 OPR speed" or the " Pr.47 Creep
speed".
The following drawings show the movement speed during the OP shift when a
mechanical OPR is carried out by the near-point dog method.
(1) OP shift operation at the " Pr.46 OPR speed"
(When " Pr.56 Speed designation during OP shift" is 0)
Fig. 12.6 OP shift operation at the OPR speed
Setting range of the
negative OP
shift amount
Setting range of the positive OP shift amount
Address decrease
direction
Upper limit
Lower limit
Near-point dog
Pr. 44 OPR direction
Zero signal
Address increase
direction
OP
When the " Pr. 53 OP
shift amount" is positive
When the " Pr. 53 OP
shift amount" is negative
Pr. 44 OPR
direction
Machine OPR start
Pr. 46 OPR
speed
Near-point dog
Zero signal