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MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
Set range
(Setting with sequence program)
Remedy
20
21
170
171
320
321
470
471
• [mm] [inch] [pulse]
–2147483648 to 2147483647
• [degree] 0 to 35999999
• Bring the setting into the setting range.
• In a unit other than degree, set so that the lower limit
value is smaller than the upper limit value.
22 172 322 472 0, 1
23 173 323 473 0, 1
24
25
174
175
324
325
474
475
1 to 2147483647
26 176 326 476 1 to 500
27 177 327 477 0, 1
28 178 328 478 0, 1
29 179 329 479 0, 1
30 180 330 480 0, 1, 2
33 0, 1, 2, 3
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
34 184 334 484 0, 2
Speed-position switching control (ABS mode) should
satisfy the conditions 1) to 3) given on the left. When
speed-position switching control (ABS mode) is not to
be exercised, set 0 to speed-position function selection
and turn the PLC READY signal (Y0) from OFF to ON.
36
37
186
187
336
337
486
487
1 to 8388608
38
39
188
189
338
339
488
489
1 to 8388608
40
41
190
191
340
341
490
491
1 to 8388608
42
43
192
193
342
343
492
493
1 to 8388608
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.