BÀI TẬP LỚN PLC Ứng dụng PLC đo, điều khiển và cảnh báo áp suất trên đường ống với giải đo:0 ÷ 5

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1.1.Đặt vấn đề
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1.2. Lý do chọn đề tài
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PCQCR
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bởi một lực có độ lớn bằng 1N phân bố đồng đều trên một diện tích 1m
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theo
hướng pháp tuyến
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- Tiết kiệm năng lượng&J&%=)"?>#0&&0:F&9.7>7
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-Giá thành thấps&7&9 9jf Cdx9)b:<<6.
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- Khả năng thích ứng với môi trường công nghiệp:7+EY ")>&3
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- Giao diện tực tiếp:7>7&F&JZN<>&&8#& 5<
&5'&C+[>&2'6 <7<&5'$
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- Lập trình dễ dàng:N)[7-W$%4)G&I)-9 L&:
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- Tính linh hoạt cao:9&I (65Y<&5& i
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- Phân loại:
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o 65 92
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 65>'$)b2
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
Id2f+DH]&Y
PC/CQK*$7L[8W WWS]f`fgD]N
[ (&b>-W$%l€Mkxx…kke•AA‚p•Œ
&ML0~fMkge•2e€Mgr•
M\F&[dkx2f>>/~x>>/gk>>
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M)"K[$4)kfgxƒ'$-
MV[)'ppB‚@s
M<dei+':dxi2
M<&5&J>+'€>'$)>?65.>'$)•)'2
M8 /W)X>&))'V'')bx2r€Ž-
M<kfg&>b:kfg'&b:7>-8&J-8J+-8&,2
M<gK C>&8 ':&N-8 C>kx\•
M<kK (;&9&,2
M7T&N#:&b'&:&(&:S
MLL&&,2
M9&I "K.'+Ku ƒ'$2

M'K$)"[6KO>0&$4)d}x6
KO>0& 2
M•0&-#lb>b-b>
\'bde<>e[fM\g

Id2gI.Yl€Mkxx…Mkke
M… "0Lkkx•2F"de†+'-8P>#d)ke$:
>#x)x$Q2dx†$b)2
=$ h $%&L[8W +
8LiP ‰ EQ‰ ElBK7'6<E<2
8g5P ‰/Q‰/-7K7' ?C )>++
&,9&I?&'>72
8L9jP ‰+Q‰+-7K7' ?C $3:
6&,9&I<2
8FCFP ‰/Q;&&7)'&#&Yin/2/2‰-7
&9#>#)')d2
8kFCFP ‰/Q;&&7)'&#&Yi•/2/2‰-7
&9#>#)')d2
 #)l%1+
\'bdf<>e[fM\g

Id2€l9  08†+'Y
 #)L[8W  EXmEn%>+
Ml€Mkxx+>'$)b+'A>? "8+[Ku$182 N
$18 "K.'+KJ&'+>'$)b2a&<&56C&8
+>'$)b-7& 5K.'+'&'$182…kke']>?
&8 €>'$)b2
l€Mkxx<7>'$)b)'>?-
• pskrdL><e†+')'2
• pskrkL><k†)'2

• pskrfL><e†+'+d†)'2
 Với đê tài chúng em chọn module analog EM 235
PC/CSCXm11XDWQ/
d2f2e2d\7>+()'
s'$)b)')>&% 5/W)X7&F&9&,&H+/W)X
7&F-82
 •)'&
,0&<)>&KKC i&9&,M-8P•AQ2<5&F
\'bdg<>e[fM\g

&9&,? N+'&7'-8? N2h 56C&87&C&KO '
+[K (65v '& 2
 •)''&&
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KKC i-8M&9&,PA•Q2<5&F-8? N+'&&F
&9&,? N2h 5 (657&C&KO+[$. '&9&,2
v (65>?+[<&3xMdxx‘: (65&8 
KC&NxMfx•2
d2f2e2k[&+(s'$)b)'pskrf
pskrf)>&>'$)b&9&,L><e•n+d•@dkK&P<&F"7
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$DQ&7&O-8&3Mrkxxx
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M O$$4)
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Id2dkl9 L N+' 7
M [&C&KO '&F N$D 
\'bkk<>e[fM\g
RA
A+
A-
4-20
mA
L+
M
MO
VO
IO
Tải điện áp
Tải dòng điện

'U
Id2drl9 L N+'$D 
fo%1$'H$e+
Id2del9 L 1&9&,
\'bkr<>e[fM\g
-

+
M
L+
Nguồn
24 VDC

f#!rXm+
Ik2dfl9 L0L'>'$)bpskrf
9q\ $ )G?+
Ik2dgl9 L&iH7&78$1
\'bke<>e[fM\g

1.5.4.6 s$$R7
s'$)bpskrf'] U&$.&F+ 1.Y N+'Ku
-ƒ&
l 1)K.0I
`=)FV `o >!1
LtP LtW LtQ LtS Lt/ Ltu
@ @BB @BB @ @BB @ xofx> dk2f
@BB @ @BB @ @BB @ xodxx> kf
@ @BB @BB @BB @ @ xofxx> dkf
@BB @ @BB @BB @ @ xod kfx
@ @BB @BB @BB @BB @ xof d2kf>
@ @BB @BB @BB @BB @ xokx>• f•
@BB @ @BB @BB @BB @ xodx k2f>
`)FV `o >!G
LtP LtW LtQ LtS Lt/ Ltu
@ @BB @BB @ @BB @BB ’kf> dk2f
@BB @ @BB @ @BB @BB ’fx> kf
\'bkf<>e[fM\g