Mitsubishi QD75M1, User Manual

Page: 656 / 882

15 - 9
MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
Set range
(Setting with sequence program)
Remedy
78 228 378 528
<OPR retry>
0, 1
• Validate the OPR retry function
(set value: 1). (Refer to section 12.2.1)
• Move the workpiece from the current position (on OP)
using the manual control operation (refer to chapter
11), then carry out an OPR again.
74
75 224
225 374
375 524
525
• Lower the OPR speed.
• Increase the dog signal input time.
(Refer to section 8.2.3)
74
75 224
225 374
375 524
525
• Lower the OPR speed.
• Input external zero signals during the movement at a
creep speed.
(Refer to section 8.2.5)
74
75 224
225 374
375 524
525
<OPR speed>
1 to 10000000 [PLS/s]
1 to 2000000000 [mm/min or others]
79 229 379 529
<OPR dwell time>
0 to 65535
• Lower the OPR speed.
• Increase the OPR dwell time.
(Refer to section 8.2.4)
80
81 230
231 380
381 530
531
<Movement amount setting after
near-point dog ON>
0 to 2147483647
74
75 224
225 374
375 524
525
<OPR speed>
1 to 10000000 [PLS/s]
1 to 2000000000 [mm/min]
• Calculate the movement distance using a speed limit,
OPR speed, and deceleration time, and set the
movement amount after near-point dog ON so that
the distance becomes a deceleration distance or
longer.
• Lower the OPR speed.
• Adjust the near-point dog position so that the
movement amount after near-point dog ON becomes
longer. (Refer to section 8.2.7, 8.2.8)
1500 1600 1700 1800
<Positioning start No.>
1 to 600
7000 to 7004
9001 to 9004
Execute the machine OPR (positioning No. 9001).
(Refer to section 8.2)
1500 1600 1700 1800
<Positioning start No.>
1 to 600
7000 to 7004
9001 to 9004
Start the machine OPR (positioning start No. 9001)
again. (Refer to section 8.2)
— — — — —
Turn the motor more than one revolution using JOG or
positioning operation.
— — — — — Execute the OPR again.
— — — — — Execute the OPR again.
— — — — —
• Review the wiring. (Refer to section 12.6)
• Review the sequence program.
— — — — —
• Review the wiring. (Refer to section 12.6)
• Review the sequence program.
• Review the dedicated instruction parameters.
(Refer to section 14.3)