Mitsubishi Electric MELSEC-Q Series User Manual page 613

[2] Setting range for the HP shift amount
Set the HP shift amount within the range from the detected zero signal to the
upper/lower limit switches.
Setting range of the
negative HP
shift amount
Address decrease
direction
Lower limit switch
Zero signal
Fig. 13.5 Setting range for the HP shift amount
[3] Movement speed during HP shift
When using the HP shift function, the movement speed during the HP shift is set
in "[Pr.56] Speed designation during HP shift". The movement speed during the
HP shift is selected from either the "[Pr.46] HPR speed" or the "[Pr.47] Creep
speed".
The following drawings show the movement speed during the HP shift when a
mechanical HPR is carried out by the proximity dog method. For the
acceleration/deceleration time, the value specified in "[Pr.51] HPR acceleration
time selection" or "[Pr.52] HPR deceleration time selection" is used.
(1) HP shift operation at the "[Pr.46] HPR speed"
(When "[Pr.56] Speed designation during HP shift" is 0)
Pr. 44 HPR
V
direction
HP
Machine HPR start
Proximity dog
Zero signal
Fig. 13.6 HP shift operation at the HPR speed
Setting range of the positive HP shift amount
Address increase
direction
Proximity dog
Pr. 44 HPR direction
Pr. 46 HPR
speed
When the " Pr. 53 HP
shift amount" is negative
13 - 9
Chapter 13 Control Sub Functions
Upper limit switch
When the " Pr. 53 HP
shift amount" is positive
HP