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15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
20
170
320
470
21
171
321
471
22
172
322
472
23
173
323
473
24
174
324
474
25
175
325
475
26
176
326
476
27
177
327
477
28
178
328
478
29
179
329
479
30
180
330
480
33
34
184
334
484
36
186
336
486
37
187
337
487
38
188
338
488
39
189
339
489
40
190
340
490
41
191
341
491
42
192
342
492
43
193
343
493
Set range
(Setting with sequence program)
• [mm] [inch] [pulse]
–2147483648 to 2147483647
• [degree] 0 to 35999999
0, 1
0, 1
1 to 2147483647
1 to 500
0, 1
0, 1
0, 1
0, 1, 2
0, 1, 2, 3
0, 2
1 to 8388608
1 to 8388608
1 to 8388608
1 to 8388608
• 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.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
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.
With the setting brought into the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
15 - 27
MELSEC-Q
Remedy
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Troubleshooting
