PLC????

1
PLC????
???? PLC?????????????????????
?? ?????????????
?? ??????????
2
??? PLC????
?? PLC?????? ?? ????????? ?? PLC???????? ??PLC???
? ?PLC????? ?? PLC????????????
3
?? PLC??????

• ??????PLC
• 1969??????????(DEC)??????????(GE)????????
  
• ??
• 1968?????????(GE),?????????????,???????????,
  ???????????,?????????????,????????????????????????
  ?,?????,?????

4

• ????
• ??????????????
• ? ???????????????????????????????????,?????????
  ???,??????????
• ? ??????????(???)?????,?????
• ? ??????????????????????,??????????????????(?
  ??)

5

• ?70???? ???????????????????,??????????????,??????
  ??????(Programmable Logic Controller)
• ?70???? ?????????PLC?,?PLC??????????,????????????
  ?????????
• ?80?????????????????????????????,16??32????????PL
  C?,?PLC???????PLC????????,???????,???????,????,???
  ??????????,???????????????????????

6

• ???PLC????
• PLC???(????????)??????????????????,?????????
  ????? PLC????????????????????,?????????
• PLC????????????????(PLC?????CAD/CAM)???

7
?? ?????????

• ??
• ???????(IEC)?1987???????????????????????????
  ??????
• ????????????????????,???????????????????????
  ??,????????????????????????????????????,??????????
  ??????,?????????????????????????????,?????????????
  ???,?????????????

8

• ?? PLC????????
• 1969?????????(DEC)??????PLC,??PLC?????
• ???????,??AB?GE?MODICON?TI,??OMRON??????,???
  ??????????????,???????????????????

9

• PLC????
• ????????(SIEMENS)?AEG????TI??
• ??A-B(Allen-Bradly)(???????PLC??50????
• )?GE(General Electric)????(MODICON)???????(T1)???
  ??(Gould)???????
• ??????(Mitsubishi Electric)? ???(OMRON)? FUJI
  (?????????PLC,?????PLC???, ???????70???????,OMRO
  N?????????)
• ??????????????PLC????????????????PLC,???????,????
  ??

10
???PLC???
10
2006-3-3
S7-200??PLC
S7-300??PLC
S7-400??PLC
11
??PLC???
11
2006-3-3
Q??PLC
FX2N??PLC
FX1N??PLC
FX1S??PLC
12
???PLC???
CPM1A?CPM2A??PLC
C200H??PLC
13

• PLC??????

1974?????????????PLC??,??????????????????????19
77?,????????????????PLC,???????????????????
??????????,???,????????,????,????,????,?????,????
,????
14
(No Transcript)
15

• PLC?????

• (1)??????????????
• (CPU????nS???2M??)
• (2)??????????????
• (???????)
• (3)???????????
• (????????PLC)
• (4)????????????????I/0
• (5)??????????
• (6)??????????????OMAC(open Modular Architecture
  for Control)

16

• ?????????????????????????,PLC??????????????????
  ???????????PLC??????,??????????,???PLC????????????
  ???
• ???PLC?????????PC???????????,?????????PLC?????
  ???????PLC???????????PLC?PC????????????

17
??PLC???

• ????,????
• ???,????
• ????,??????
• ?????????????
• ??????,????
• PLC???????????????????.?????????????.????????
• ???????????

18
??PLC?????
1 ?????? 2 ?????? 3 ?????? 4 ?????? 5
?????? 6 ?????? 7 ?????? 8 ???? 9
?????? 10 ??????
19
PLC?????????
20
1 ??????
???????PLC???????,?PLC????????,?????????????,??
?????????? ????????????????????????????????
?????????????????????????????????????????????????
?(???????????)????????????????????????????
21
2 ??????
???????PLC????????? PLC??????????????,????
?????????????? ???????(????)????????,?????????
????????,??????? ??PLC????????????,?????????
22
3 ??????
???????PLC????????? PLC??????????,????????
???,????????(????),????????????????????
???????????????,??????????????????
23
5 ??????
PLC????????????,???????????????????????????????
?????????PLC??????????,??????PID??????????,????CRT
??????,??????????????
24
8 ????
PLC??????????? ?????????,???????PLC???????
??????? ?????,???????????????????,?????????PLC
??????????????????,???????????????
25
9 ??????
PLC????????????RAM?????????(?????),???????????
???????????? ????????,???????????,???PLC??????
????? PLC?????,??????????????
26
10 ??????
PLC???????????????????????????,??????,?????????
??,?????????????? PLC????????,?????PLC?????????
????
27
??PLC????????????

• ????????
• ????????????????????????????????????
• PLC?????????????????????????,?????????????????
  ,???????
• PLC?????????????,?????????
• ?????????????????????????,??????????????

• PLC??????????
• ????????????????,??????????
• PLC??????????????????,????????????
• ???????????????????????????????????????PLC????

28
??? PLC????

• 2.1 PLC????????????
• 2.2 PLC?????????????
• 2.4 PLC??

29
2.1 PLC????????????
2.1.1 PLC??? PLC?????? ??????(CPU?)?????(I/O)
????????
30

• PLC??????????????????????????????????????
• PLC???????????????
• PLC????????(CPU)???????????????????????
• PLC????????????

31
2.1.2 PLC????????
1. PLC??CPU????? CPU?????????????,??PLC??????????
?????????????
1)???????????????????????
2)?????PLC????????????????
3)??????????(??)???????????
4)????????????????,??????????
5)??????,????????????,???????????????????????
32

• PLC?????CPU???
• 1) ??????(?Z80?8086?80286?)
• 2) ??????(?8031?8096?)
• 3) ???????(?AMD29W?)
• ??PLC????8??????????????
• ??PLC????16??????????????
• ??PLC?????????????(32?)
• ??PLC??CPU??
• ????PLC?????CPU??CPU??
• ???CPU??,???????,????8??16??32????????????,??????
  ??????????

33
2.???????

• ??????
• PLC?,???????????????????
• ??????
• ? ??/?????????RAM
• ? ?????ROM?PROM?EPROM?E2PROM

34
4. ??/????(I/O??)

• ??/????????I / O ???I / O ??,?PLC???????????????
• PLC????-----???????PLC???????,????????????????????
  ???????????????????(???????????)?,????????????????
  ????????????????,???????PLC??????????????
• PLC????-----???????????????????????????????,??????
  ??????????????????

35

• ? I / O ?????
• ????????????????????????????????,?PLC??CPU???????
  ???????
• ?????????,???PLC??????,????????,??????,?????
• I / O ?????
• ?????/????
• ?????/????

36

• ? ??/??(I/O)??
• PLC?I/O????PLC?I/O????????????????????????
• I/O?????PLC????????
• ?I/O?????,???PLC?I/O????????????

37
5.PLC??????
???????????????????,??????PLC???????,?PLC?????
?? ??????????PLC????????
38
6. PLC???????

• PLC?????????,??????????
• ???????,PLC?????????????????,????????????????,????
  ?????????15???????
• ??PLC???????24V????,??????? ????
• ??????

39

• ?PLC???????????????
• ??????,????????????????
• ??????,????????????
• ?PLC??,???????????,????????
• ??????,???????????,????????
• ?????(???)??
• ??????????????????????????,?????CPU????????????PLC
  ??????????PLC???????????,????????????????????????
  ??????
• ??????

40
PLC?????
??
1??????
PLC
PLC
PLC
1????
2????
??
PLC
PLC
????
PLC
PLC
???
????
A)??????
B)??????
C)????
41
A)??????
42
B)??????
43
C)????
44
? ? ?
????PLC??????,??PLC?????????????????????????
???????????????????? ?????????????,????PLC????
????
45
???????
?????
46
???????
47
8???????????

• ???????(?A/D??)???????
• ???????(?D/A??)???????
• ????/???? ????????
• ??????? ??????????
• ?????? ??????
• PID??
• ??I/O?? ??I/O????
• ???? ???PLC?????????

48
2.1.4 PLC?????
1 ????2 ????3 ????

• ????
• ????,????????????????????????????????????????
  ?
• ????,?PLC????????,?PLC?????????,??PLC???????,
  ????PLC????
• ????,???????????????ROM?PROM?EPROM?,?????????
  ?

49

• ? ????
• ???????????????????????????????????PLC???????????
• ???????????,????????CMOS??RAM?,??????????,????????
  ?????
• ??????RAM??????,???????????,?????,??????EPROM??
• ?????PLC????EEPROM????????

50
PLC?????
?PLC???????????,PLC???????????,????????
?????????????????????????????????????????????????
? ?????????,??????????,????????????????????????
?????????????????(BASIC?C???)??
????????????????PLC????????
51
1. ???????
???(Ladder diagram)???????????
,??????????????????,???????,????,?PLC?????????????
??
??????????????
52
(1)????????
PC???????????,??PC???????,????????????????,????
?????
PLC???????????????????,???1??,?????????0??
,??????????
53
(2)??????????
??
??
54
(3) ???????????
?????
?????????
??????
??????????????
PLC???
?????????
??????
PLC??????? ??????
55
??
???????
PLC??????
????
???????
???????????????????
?PLC????????,???????
56
2????????
???????????
?????PLC?????????
??????????????? ??
LD 00000,???????? OR
01000 ??????01000???????? AND NOT 00001
??????00101???????? OUT
01000??????????????01000 END ??????
????? ?????
57

• (3)?????
• ????????????????,??????????????????????????????
  ??????????????????????????????????????????????????
  ?????????

58
(4)???? ?????????????????????,????????????????
????,??????????????,???????,????????????????,???
?????? ???????,???????????
59
2.2 ???????????????????
2.2.1 ????????

• ?PLC???,?????????,?PLC?CPU????????????,
  ????????????
• ?????????????
• ????????CPU?????????,????????,PLC???????????????,
  ??????????????????

60
PLC???????????????,??????????,?????????????,?
??????????????????????
????
????
????
61
2.2.2 PLC???????????????????????????????????????
??
??CPU?????,??????(WDT)????????
???????(?????????)????
????????????????,????????
????????? ,????????????
????????????,???????,????????
62
2.2.2 PLC??????????
? PLC???,???????????
???,??????????,????????
? ????????,???????????
??????????, ?????????????
? ???????
??
63
? I/O????
??????????????????
????????????????????????????
? ??????
??????????????
64
4. PLC?????????
? ???????????????????
? ????????????
???????
???????
? ???????????????????
???????????????????
???????????????????
? ??????I/O????????/????
65
(3)PC?????????(??????)
?????????????????
00000
00001
01000
?
???????
???????
?
??????
??????
?????
?
????
? ? ? ?
?
????
????
01001
01000
?
??????
66
3. PLC?????
?????
???
????
????
???
???
67
????
????
00000 ??
????
????
SB1??
????
68
????
????
00001 ??
????
????
SB2??
????
69
2.3?????I/O????
PLC????????,??????????????????????????1-100ms
?

• I/O?????????????,??PLC??????????????????????
  ??????????????????

70
1. ??I/O???????
(1) ??PLC????????????
PLC?????????I/O????????/??,???????????????
(2) ??????????????
?????????,?????????????
??PLC??????????????????
71
(3) ??????????(??????PLC)?
??????ON??????ON??????
??ON???
??????????
????????????PLC?
(4)?????????????
I/O????,????????????
?????????,????I/O?????
72
2. I/O???????
?20????????CPM1A???
???ON???8?? ?????I/O?????2?? ?????????14?? ??ON???
15??
????????????????????
??I/O????
????????????????????
??I/O????
73
??I/O???????
??ON??
????
????
????
??ON??
????
I/O????
??I/O???? ??ON?? (???? I/O????)
?????? ??ON?? 8 2 14 15 39 ms
74
??I/O???????
??ON??
??ON??
I/O????
??I/O???? ??ON?? (???? I/O??????)2
??ON?? 8 (2 14) 2 15 55 ms?
75
???????I/O?????????
?SB??,??????,????????I/O??? 00000??????ON?
??????????,01000?OFF?
01000???????????????ON?
76
????????????????,???
?SB??,??????,???????? 00000?????? ON?
01000 ?????????????ON ?
??,????????I/O??????? ?
77
3?PLC???????
1 ???????
2 ??????????? Tc2.6ms
3 ??????(?????PLC???)Tl
Tl PLC??????? 08ms
Tl PLC???????? 0ms
4 ????TP ?????? TP ????X????
5 I/O??
Tr
???????? ?? 0.07ms/8?
?? 0.04ms/8?
???????????,1.3msnX0.2ms
78
6 ????(?????)To
To0.8ms (TTcTlTpTr13ms)
To0.06 T(TTcTlTpTr gt13ms)
7???????????????????????I/O???????PLC?????Ts PLC??
??? TsTcTlToTpTr
79
????

• 1?PLC????????????????????,??????????????,???????
• 2?PLC????????10ms?,????????????????50HZ(???????10H
  Z??)?

80
? 31

• ?C200H?PLC??,?????????????????3?16?????,2?12??
  ????????????3?16?????,??12?????????5000???,???????
  ?????????,???????0.94PS?
• ????????????????????????

81

• ???????Tc2.6m??????????,?????????Tl0??????
  ,????????To0?
• ?????Tp0.9450004.7103(ms)4.7ms?
• ?????3?16??????6?8?????,2?12????????4?8??????
  ???????3?16??????1?12????????4??????,I/O????
• Tr0.0760.044(1.30.24)2.68(ms)
• ??,?PLC???????????,????????????
• TsTcTlToTpTr2.64.72.710(ms)

82
2.4 PLC????????
1.I/O??
?PLC???????????
2.????????
????PLC????????????
3.????
???1000??????????,?ms/??????
4.??????
?PLC?????????????????????????,???????
5. ????? 6. ?????

83
2.5 ?????????
1.??????? ???PLC?????PLC?CPU?????I/O?????????
?????,????,????I/O??????????,????I/O??????PLC?????
????????????????,?????????,?????,??PLC????????
84
(No Transcript)
85
???PLC???PLC????????????,??????,???????(?CPU?
?????????????????)????????? ???PLC?????????????
???,????????????????PLC,????????PLC?
86
???PLC
87
(No Transcript)
88
? ?
????
CPU??
IO??
???
89
?????PLC???
90
3)???PLC ????PLC????????????????
???PLC?CPU????I/O????????????,?????????????,??????
??????????,??????????,?????????
91
2.??????? ????????,???I/O??,???PLC????????????,???
???PLC???,??? 1.??PLCI/O????,?256????PLC? 2.??PL
CI/O????,?256????2048????PLC? 3.??PLCI/O????,?20
48????PLC? ?????PLC??????????,PLC?I/O?????????????
92
1)???
OMRON???SP??
93
2)???
OMRON??? CPM1A?CQM??
?????FP1??
94
3)???
OMRON???C200H
??????S7-300
95
4)???
OMRON???C1000H
COMRON???2000H
?????FP3
96
COMRON???2000H
97
5)????
??GE???9070?,?????24000?,????8000??????
98
3?PLC???(?????)
1)??PLC ????????????????????????????,??????????/?
???????????????????????????????????????????????
2)??PLC ????PLC???,??????????/??????????????????
?????I/O?????????????????????PID?????
3)??PLC ????????,????????????????????????????????
?????????????????PLC????????????,?????????????????
?????,????????