Mitsubishi MELSEC QD75P User Manual page 181

5 DATA USED FOR POSITIONING CONTROL
Default value
0
Pointer No.
Pointer No.
0
Md.9
Axis in which the error
occured
Md.10
Axis error No.
Md.11
Axis error occurrence
hour
Md.12
Axis error occurrence
0000
min: sec
0000
0
Storage buffer memory address (common to axes 1 to 4)
Md.13
Error history pointer
6
5
4
3
2
1
0
1305
1301
1297
1293
1306
1302
1298
1294
1307
1303
1299
1295
1308
1304
1300
1296
Each group of buffer memory addresses storing a complete error history
record is assigned a pointer No.
Item Buffer memory address
Example: Pointer No. 0 = Buffer memory addresses 1293 to 1296
Each history record is assigned a pointer No. in the range between 0 and 15.
If the pointer No. 15 has been assigned to a new record, the next record will
be assigned the pointer number 0.
(A new record replaces an older record when a pointer No. is reassigned.)
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1357
Indicates a pointer No. that is next to the Pointer No.
assigned to the latest of the existing error history records.
12
11
10
9
8
7
1333
1329
1325
1321
1317
1313
1309
1334
1330
1326
1322
1318
1314
1310
1335
1331
1327
1323
1319
1315
1311
1336
1332
1328
1324
1320
1316
1312
Pointer No. 1 = Buffer memory addresses 1297 to 1300
Pointer No. 2 = Buffer memory addresses 1301 to 1304
Pointer No. 15 = Buffer memory addresses 1353 to 1356
1357
MELSEC-Q
15
14
13
1353
1349
1345
1341
1337
1354
1350
1346
1342
1338
1355
1351
1347
1343
1339
1356
1352
1348
1344
1340