187
CHAPTER 5 DATA USED FOR POSITIONING CONTROL
5
5.
6
List
of
M
o
nit
o
r
Dat
a
(3) Error history configuration
Information related to an error are stored in Error history with pointers 0 to 15. Error history is configured as
shown below.
(a) [Md.9] Axis in which the error occurred
Item
Description
Storage details
Stores a number (Axis No.) that indicates the axis that encountered an error.
Reading the monitor
value
■
Monitoring is carried out with a decimal display.
Default value
0
Storage buffer memory
address
(Common to axes 1 to 4)
For details on the storage buffer memory, refer to the following.
1353
1354
1355
1356
15
1349
1350
1351
1352
14
1345
1346
1347
1348
13
1341
1342
1343
1344
12
1337
1338
1339
1340
11
1333
1334
1335
1336
10
1329
1330
1331
1332
9
1325
1326
1327
1328
8
1321
1322
1323
1324
7
1317
1318
1319
1320
6
1313
1314
1315
1316
5
1309
1310
1311
1312
4
1305
1306
1307
1308
3
1301
1302
1303
1304
2
1297
1298
1299
1300
1
1293
1294
1295
1296
1471
1470
1469
1468
1467
1466
1465
1464
1463
1462
1461
1460
1459
1458
1457
1456
1357
Pointer No.
Item
Md.13
Md.10
Pointer No.
Axis error No.
Md.9
Axis in which the error
occured
Md.11
Axis error occurrence
day: hour
Md.12
Axis error occurrence
min: sec
Md.51
Axis error occurrence
year: month
Error history pointer
Indicates a pointer No. that is next to the Pointer No.
assigned to the latest of the existing error history records.
Buffer memory
address
Error history
Each group of buffer memory addresses storing a complete error history
record is assigned a pointer No.
Example: Pointer No. 0 = Buffer memory addresses 1293 to 1296, 1456
Pointer No. 1 = Buffer memory addresses 1297 to 1300, 1457
Pointer No. 2 = Buffer memory addresses 1301 to 1304, 1458
Pointer No. 15 = Buffer memory addresses 1353 to 1356, 1471
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.)
·
Monitor
value
Storage value
1: Axis 1
2: Axis 2
3: Axis 3
4: Axis 4
Summary of Contents for MELSEC-L LD75D
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Page 267: ...265 CHAPTER 6 PROGRAM USED FOR POSITIONING CONTROL 6 6 4 Positioning Program Examples ...
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Page 272: ...270 Z ABRST1 instruction execution ...
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Page 685: ...683 APPENDICES A Appendix 1 Function Update Appendix 1 1 Function comparison Memo ...
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