Mitsubishi Melsec-Q QD75D1, User Manual

Page: 306 / 858

8 - 14
MELSEC-Q
8 OPR CONTROL
(2) If the zero signal is input before the workpiece stops at the stopper, the workpiece
will stop at that position, and that position will be regarded as the OP.
t
ON
OFF
OPR speed
Creep speed
Valid torque limit range
Torque limit
ON
OFF
OFF
ON
V
Near-point dog
ON
OFF
Zero signal
Deviation counter clear output
Standby OPR Standby
Inconsistent 0
Movement amount
after near-point dog
ON
Inconsistent Value the machine moved is stored OP address
Inconsistent Torque limit setting value OPR torque limit value
Current feed value
OPR request flag
OPR complete flag
Md.31
Md.31
Md.26
Pr.55
Md.34
Torque limit stored
value
Md.35
Md.20
Md.21
Pr.46
Pr.47
Stopper
Machine feed value
Machine OPR start
(Positioning start signal)
[Y10,Y11,Y12,Y13]
Status : b3
Status : b4
Axis operation status
Deviation counter clear
signal output time
Fig. 8.9 Operation when the zero signal is input before the stop at the stopper
(3) The near-point dog must be turned ON until it presses against the stopper.
If any range that the near-point is turned OFF exists until it presses against the
stopper, executing the machine OPR from the area leads it to be pressed against the
stopper at ORR speed.
(4) Machine OPR started while the near-point dog is ON will start at the "
Pr.47
Creep
speed".
(5) When a machine OPR is stopped with the stop signal, perform a machine OPR again.
If the restart command is turned ON after a stop with the stop signal, an error "OPR
restart not possible" (error code: 209) occurs.