Mitsubishi Electric QD77MS User Manual page 455

(6) When the zero signal is detected again during deceleration ( 4) of Fig. 8.13)
Fig. 8.13 Operation when the zero signal is detected again during deceleration with detection of zero
signal
(7) Do not use the scale origin signal detection method OPR for the machine with
(8) When using the direct drive motor, make it passed the Z phase once before
with detection of zero signal, the operation stops at the zero signal detected
lastly to complete the OPR.
V
Pr.44 OPR direction
Pr.46 OPR speed
Pr.47 Creep speed
1) 5)
Near-point dog
Zero signal
the backlash.
reaching 3) of Fig. 8.11.
8 - 17
2)
6)
4)
ON
OFF
Chapter 8 OPR Control
3)