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8 OPR CONTROL
Machine OPR start
(Positioning start signal)
OPR request flag
[ Md.31 Status : b3]
OPR complete flag
[ Md.31 Status : b4]
Md.26 Axis operation status
Md.34 Movement amount
after near-point dog ON
Md.20 Current feed value
Md.21 Machine feed value
Fig. 8.5 Operation when the dwell time elapses during deceleration from the OPR speed
Restrictions
(1) Always limit the servomotor torque after the "
torque is not limited, the servomotor may fail when the machine presses against the
stopper. (Refer to Section 12.4.2 "Torque limit function".)
(2) In the "stopper method 1)", the OPR retry function is unusable.
Precautions during operation
(1) Set a value in the "
movement time from the near-point dog ON to the time the machine presses against
the stopper.
(2) The workpiece will continue decelerating and stop if the "
elapses during deceleration from the "
"Dwell time fault (error code: 205)".
OFF
OFF
OFF
Standing by
Inconsistent
Inconsistent
Pr.49
OPR dwell time" that is equal to or higher than the
Pr.46
V
Pr. 46 OPR speed
ON
ON
In OPR
0
Value the machine moved is stored
8 - 9
MELSEC-Q
Pr.47
Creep speed" is reached. If the
Pr.49
OPR dwell time"
OPR speed", thus causing an error
Pr. 47 Creep speed
Stops at stopper
t
" Pr.49 OPR
dwell time" setting
In error
Address at stop
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Troubleshooting
