25:
1466:
1336:
1331:
833:
503:
Generic Data Types – Only available for the input / output/ in-out variables of system-defined
Program Organization Units (POUs, see below)
1690:
129:
717:
35:
1140:
1716:
1441:
413:
WSTRING – Variable-length double-byte character string. Literals specified with a double quote, "This is a WSTRING Literal"
93:
826:
65:
410:
STRING – Variable-length single-byte character string. Literals specified with single quote, 'This is a STRING Literal'
802:
important implementation independent of device manufacturers, includes object oriented programming (OOP) as an option
772:
587:
Directly derived data type – type derived from one of the above types to give new name and initial value as a type.
72:
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819:
50:
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125:
79:
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References – a kind of strongly typed pointer. Arithmetic operation of the value of this type is prohibited.
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179:
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698:
The 3rd revision of the standard describes how to implement OOP within the application programming
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578:
374:
LDATE – calendar date (8 byte, nanoseconds since 1970-01-01, restricted to multiple of one day)
157:
118:
1391:
1281:
842:
556:
ANY_DATE: DATE_AND_TIME (DT), DATE_AND_TIME(LDT), DATE, TIME_OF_DAY (TOD), LTIME_OF_DAY(LTOD)
140:
1711:
1659:
1626:
1491:
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8:
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WCHAR – Double-byte character (2 byte, limited to characters 0 to 65535 of ISO/IEC 10646)
86:
1721:
1566:
1546:
183:
688:
Configuration – processing resources, memory for IO, execution rates, number of tasks.
404:
CHAR – Single-byte character (1 byte, limited to characters 0 to 255 of ISO/IEC 10646)
46:
363:
LTIME – (8 byte). Literals extend to nanoseconds in the form of T#5m90s15ms542us15ns
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264:
147:. It defines three graphical and two textual programming language standards:
396:
LDATE_AND_TIME / LDT – time and date (8 byte, nanoseconds since 1970-01-01)
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739:
673:
Custom – Libraries of functions can be supplied by a vendor or third party.
151:
1191:
953:
946:
941:
795:
IEC 61131-3:2013 Programmable controllers - Part 3: Programming languages
260:
173:
574:
Subrange data type – puts limits on value i.e., INT(4 .. 20) for current
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24:
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360:
TIME – (implementer specific). Literals in the form of T#5m90s15ms
1551:
1516:
1506:
1075:
988:
799:
811:
584:
Structured data type – composite of several variables and types.
42:
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1421:
1411:
1406:
1396:
1356:
1306:
132:; the current (third) edition was published in February 2013.
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1311:
1301:
1296:
1286:
1196:
1125:
217:
182:(SFC), has elements to organize programs for sequential and
1456:
1371:
968:
205:
659:
Standard: ADD, SQRT, SIN, COS, GT, MIN, MAX, AND, OR, etc.
393:
DATE_AND_TIME / DT – time and date (implementer specific)
1150:
637:
631:
611:
16:
Industrial standard for programmable logic controllers
789:
577:
Array data type – multiple values stored in the same
382:
TIME_OF_DAY / TOD – clock time (implementer specific)
692:
718:"A very short history of PLC programming platforms"
682:
650:
742:. International Electrotechnical Commission (IEC)
128:. It was first published in December 1993 by the
1703:
646:– Can be executed once, on a timer, on an event.
231:– whole numbers (Considering byte size 8 bits)
827:
732:
709:
51:introducing citations to additional sources
371:DATE – calendar date (implementer specific)
139:deals with basic software architecture and
834:
820:
601:Variable attributes: RETAIN, CONSTANT, AT
1691:International Electrotechnical Commission
761:PLCopen: The third edition of IEC 61131-3
385:LTIME_OF_DAY / LTOD – clock time (8 byte)
808:implementation for Siemens devices, only
252:UDINT – Unsigned double integer (4 byte)
246:USINT – Unsigned short integer (1 byte)
41:Relevant discussion may be found on the
542:ANY_BIT: LWORD, DWORD, WORD, BYTE, BOOL
527:ANY_UNSIGNED: ULINT, UDINT, UINT, USINT
1704:
773:"Time Duration Literals (IEC 61131-3)"
715:
255:ULINT – Unsigned long integer (8 byte)
199:Bit Strings – groups of on/off values
815:
571:Enumerated data type with named value
240:DINT – signed double integer (4 byte)
234:SINT – signed short integer (1 byte)
263:– floating point IEC 60559 (same as
18:
243:LINT – signed long integer (8 byte)
13:
14:
1733:
841:
783:
693:Object oriented programming (OOP)
530:ANY_SIGNED: LINT, DINT, INT, SINT
117:is the third part (of 10) of the
624:
249:UINT – Unsigned integer (2 byte)
34:relies largely or entirely on a
23:
683:Configuration, resources, tasks
651:Program organization unit (POU)
176:in 3rd edition of the standard)
765:
754:
143:of the control program within
126:programmable logic controllers
1:
702:
401:Character / Character string
237:INT – signed integer (2 byte)
190:
1717:Electronic design automation
636:Tasks – Can be multiple per
614:Mapping – Input, Output, I/O
596:
7:
548:ANY_STRING: STRING, WSTRING
184:parallel control processing
10:
1738:
716:Stevic, Tom (5 May 2017).
1683:
1184:
849:
537:ANY_DURATION: TIME, LTIME
180:Sequential function chart
565:User-defined Data Types
423:STRING escape sequences
223:LWORD – 64 bit (8 byte)
158:Function block diagram
119:international standard
551:ANY_CHAR: CHAR, WCHAR
521:ANY_REAL: LREAL, REAL
390:Date and time of Day
196:Elementary Data Type
141:programming languages
568:Enumerated data type
47:improve this article
425:
285:
740:"IEC 61131-3:2013"
630:Resource – Like a
421:
281:
202:BOOL - 1 bit (0,1)
1699:
1698:
500:
499:
472:page (form feed)
352:
351:
283:Duration literals
220:– 32 bit (4 byte)
214:– 16 bit (2 byte)
208:– 8 bit (1 byte)
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720:. Control Design
713:
667:Function Blocks
429:Escape sequence
426:
420:
286:
280:
273:LREAL – (8 byte)
270:REAL – (4 byte)
170:Instruction list
160:(FBD), graphical
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512:ANY_ELEMENTARY
193:
172:(IL), textual (
164:Structured text
154:(LD), graphical
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784:External links
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608:Direct (local)
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515:ANY_MAGNITUDE
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152:Ladder diagram
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45:. Please help
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843:IEC standards
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625:Configuration
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265:IEEE 754-2008
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166:(ST), textual
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78:
74:
71:
67:
64: –
63:
62:"IEC 61131-3"
59:
58:Find sources:
52:
48:
44:
38:
37:
36:single source
32:This article
30:
26:
21:
20:
1627:27000-series
983:
767:
756:
746:11 September
744:. Retrieved
734:
724:11 September
722:. Retrieved
711:
600:
422:
379:Time of day
340:Microsecond
332:Millisecond
292:Description
282:
186:, graphical.
136:
134:
115:IEC 61131-3
114:
113:
100:
90:
83:
76:
69:
57:
33:
1712:IEC 61131-3
509:ANY_DERIVED
348:Nanosecond
1706:Categories
703:References
656:Functions
545:ANY_CHARS
496:hex value
357:Duration
191:Data types
174:deprecated
135:Part 3 of
103:March 2017
73:newspapers
1722:IEC 61131
806:de:STEP 7
670:Standard:
620:Temporary
597:Variables
456:linefeed
432:Produces
137:IEC 61131
122:IEC 61131
43:talk page
678:Programs
644:Programs
617:External
579:variable
524:ANY_INT
518:ANY_NUM
464:newline
1684:Related
1397:13522-5
1185:ISO/IEC
1076:62014-4
989:61131-9
984:61131-3
954:60906-1
947:60870-6
942:60870-5
800:CODESYS
790:PLCopen
480:return
324:Second
316:Minute
229:INTEGER
87:scholar
662:Custom
605:Global
89:
82:
75:
68:
60:
1675:81346
1670:80000
1665:42010
1660:39075
1655:38500
1650:33001
1645:29119
1641:29110
1637:27040
1632:27002
1622:27000
1617:26300
1612:24752
1607:24744
1602:24727
1597:24707
1592:23360
1587:23270
1582:23008
1577:23003
1572:23000
1567:22537
1562:22275
1557:21827
1552:21000
1547:20802
1542:20000
1537:19788
1532:19770
1527:19757
1522:19752
1517:18181
1512:18014
1507:18004
1502:17025
1497:17024
1492:16485
1487:16262
1482:15938
1477:15897
1472:15693
1467:15511
1462:15504
1457:15445
1452:15444
1447:15408
1442:15291
1437:15288
1432:14882
1427:14651
1422:14496
1417:14443
1412:13818
1407:13816
1402:13568
1392:13346
1387:13250
1382:12207
1377:11801
1372:11544
1367:11404
1362:11179
1357:11172
1352:10967
1347:10646
1342:10279
1337:10179
1332:10165
1327:10116
1322:10021
1176:63382
1171:63119
1166:63110
1161:62700
1156:62682
1151:62680
1146:62455
1141:62386
1136:62379
1131:62366
1126:62365
1121:62351
1116:62325
1111:62304
1106:62264
1101:62262
1096:62196
1091:62061
1086:62056
1081:62026
1071:61970
1066:61968
1061:61960
1056:61883
1051:61851
1046:61850
1041:61784
1036:61511
1031:61508
1026:61499
1021:61400
1016:61360
1011:61355
1006:61334
1001:61162
996:61158
979:61131
974:61030
969:60958
964:60929
959:60908
937:60870
932:60601
927:60559
922:60446
917:60364
912:60320
907:60309
902:60297
897:60269
892:60228
887:60112
882:60068
877:60063
872:60062
867:60038
862:60034
857:60027
493:$ xx
437:$ $
368:Date
308:Hour
289:Unit
218:DWORD
94:JSTOR
80:books
1317:9995
1312:9945
1307:9899
1302:9593
1297:9592
1292:9529
1287:9496
1282:9293
1277:9126
1272:8859
1267:8652
1262:8632
1257:8613
1252:7942
1247:7816
1242:7813
1237:7812
1232:7811
1227:7810
1222:6523
1217:6429
1212:5218
1207:4909
1202:2022
1197:1989
748:2021
726:2021
506:ANY
488:tab
485:$ T
477:$ R
469:$ P
461:$ N
453:$ L
445:$ '
300:Day
261:REAL
212:WORD
206:BYTE
124:for
66:news
1192:646
850:IEC
638:CPU
632:CPU
612:I/O
440:$
345:ns
337:us
329:ms
145:PLC
130:IEC
49:by
1708::
448:'
321:s
313:m
305:h
297:d
267:)
835:e
828:t
821:v
775:.
750:.
728:.
640:.
581:.
105:)
101:(
91:·
84:·
77:·
70:·
53:.
39:.
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