ứng dụng lập trình PLC để đo và cảnh bảo mức nước trong bể và đồng thời cũng đo và điều chỉnh áp suất trên đường ống bơm nước

BỘ CÔNG THƯƠNGTRƯỜNG ĐẠI HỌC CÔNG NGHIỆP HÀNỘNỘII.

BỘ CÔNG THƯƠNGTRƯỜNG ĐẠI HỌC CÔNG NGHIỆP HÀ

NỘNỘII

HA- : ĐQ# 9E#h <* <p =>?4 HA- : ĐQ# 9E#h <* <p =>?4 9%* @ ớ# h7# R) %F9%* @ ớ# h7# R) %F

LAL : ĐQ# 9E#h <* mO9 4h?p @ #hS LAL : ĐQ# 9E#h <* mO9 4h?p @ #hS h7# &mFh7# &mF

HAL : ĐQ# 9E#h <* mO9 C%* @ ớ# hHAL : ĐQ# 9E#h <* mO9 C%* @ ớ# h7# R mF7# R mF

TAPT K TU- : H%+ #4 ?# hW+ !"#$ D #$ h, 4h5#$

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 Y& L% 9hc# 4h+f4  @9<9 4h+f4 h+f4  @9<9 4h+f4  +i# d>%# !f# !_ +i# d>%# !f# !_+ 8`#$ !* D 9+ 8`#$ !* D 97 9?> 97 9?> 9h?ph?phD#h mD ! 4D+ 4h9 h+,#F

 Y) Th+f4 f $+%* +,# HMI+,# HMI

Ch;?n8 'A,E MF7 O E63& f4 d>E #$h+i# 9O>  4h>^f4

3Y (f4 d>E #$h+i# 9O> 4h9 #$h+,m

(f4 >l#

-h[ [9

1Q6 n6 SF

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T*#$ 9e#$ #$h+,p h+,# !_+ hó% !?4

T*#$ 9e#$ #$h+,p h+,# !_+ hó% !?4 #8ớ9K^i> 9Z> O#$ [#$ 4 !"#$ hó%#8ớ9K^i> 9Z> O#$ [#$ 4 !"#$ hó%

#$D^ 9D#$ 9%* D* 4*#$ !n+ =5#$ =+#h h*_4K =E# o>?4 @ ^i> 9Z> !+> h+;# 4

!"#$K+#h h*_4K 4+,# `+K $c# #h

!"#$K+#h h*_4K 4+,# `+K $c# #h F M4 h<9 #hn 9e#$ #$h, 4he#$ 4+#K 9e#$ #$h,F M4 h<9 #hn 9e#$ #$h, 4he#$ 4+#K 9e#$ #$h,

!+,# 4q !r ph<4 4+;# #h

!+,# 4q !r ph<4 4+;# #h%#h 9hó#$ Dm o>?4 h+,# m"4 *_4 4h+f4 %#h 9hó#$ Dm o>?4 h+,# m"4 *_4 4h+f4  !+> h+;# hE !+> h+;# hE 4a#h -LC

Đ; 4h9 h+,# 9e#$ +,9 m"4 9<9h h*% hc9 #hsm !_4 !8`9 =5 

Đ; 4h9 h+,# 9e#$ +,9 m"4 9<9h h*% hc9 #hsm !_4 !8`9 =5 8`#$ =E#8`#$ =E#

 phtm ớ#K#h%#h D m%

 phtm ớ#K#h%#h D m%#$ _+ h+,> d>E  +#$ _+ h+,> d>E  +#h 4fu9<9 9#h 4fu9<9 9e#$ 4^Ko\ #e#$ 4^Ko\ #$h+,p 4h8ớ#$ =q$h+,p 4h8ớ#$ =q

[#$ 9e#$ #$h, lp 4a#h -LC =q [#$ 9<9 *_+ phZ# mm

[#$ 9e#$ #$h, lp 4a#h -LC =q [#$ 9<9 *_+ phZ# mm 4 !"#$ j^ 9h>^# =E#4 !"#$ j^ 9h>^# =E#  o>?4 4 !"#$ -L

 o>?4 4 !"#$ -LC $+Em =O9 %* !"C $+Em =O9 %* !"#$ 9v% 9e#$ #hj#K#$ 9v% 9e#$ #hj#K=E# o>?4 !.m _+ h+;> d=E# o>?4 !.m _+ h+;> d>E +#h>E +#h 4f 9h* !n+ =5#$ or h"+ T*#$ ! !k <# me# hc9 #D^K 9h#$ m 9ó ! 9lp !f# +,9 O#$ [#$ lp 4a#h -LC !; !* D 9E#h E* mO9 #8ớ9 4*#$ ; D !k#$ 4hn+ 9w#$ !*

D !+> 9hx#h <p =>?4 4i# !8n#$ 5#$ 7m #8ớ9 Đj^ 9h\#h D m"4 4*#$ #hy#$ ! 4D+ 4h+f4 4h9 ớ+ 4h9 4+z#

4D+ 4h+f4 4h9 ớ+ 4h9 4+z# 9>"9 =5#$ W+ #$>k# #8ớ9 =_9h !%#$ 9>"9 =5#$ W+ #$>k# #8ớ9 =_9h !%#$ #$D^ 9D#$ h%##$D^ 9D#$ h%# h+fm V+,9 =q [#$ #8ớ9 h`p  D 4+f

h+fm V+,9 =q [#$ #8ớ9 h`p  D 4+f4 +,mK%# 4*D# 4 +,mK%# 4*D# D ?4 d>%# 4c#$ Va l^ ớ+ !D ?4 d>%# 4c#$ Va l^ ớ+ ! 4D+ #D^ 9h#$ m h+ c#$ ={ phZ# #D*

4D+ #D^ 9h#$ m h+ c#$ ={ phZ# #D* $+E+ d>^f4 !8`9 ?# ! !ó ớ+ h, 4h5#$ !+>$+E+ d>^f4 !8`9 ?# ! !ó ớ+ h, 4h5#$ !+>

h+;# s#$ -LC

/8ớ+ = h8ớ#$ |# 9v% 9e N$>^z# Th> HD D 4hZ^ Đ} />^ -hK 9h#$ m !r

/8ớ+ = h8ớ#$ |# 9v% 9e N$>^z# Th> HD D 4hZ^ Đ} />^ -hK 9h#$ m !r h*D#h*D# 4h+,# 8`#$ +f# 4hO9 mD 9e !r h8ớ#$ |# T>^ #h+i# 4*#$ d>< 4a#h Dm ! 4D+

#D^

#D^K* 4hn+ $+%# 9ó h_# D 5# +f# 4hO9 4h9 4f he#$ #h+> #i# K* 4hn+ $+%# 9ó h_# D 5# +f# 4hO9 4h9 4f he#$ #h+> #i# ={ he#$ 4<#h={ he#$ 4<#h

hS+ =%+ =ó4K m*#$ #hl# !8`9 = $óp 

hS+ =%+ =ó4K m*#$ #hl# !8`9 = $óp  9v% 9e !; ! 4D+ 9v% 9h#$ m !8`9 h*D#9v% 9e !; ! 4D+ 9v% 9h#$ m !8`9 h*D# 4h+,# h7#

Nhận UE cVW 86Xo 96:n h;<n8 d=n

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Chương 1 CƠ SỞ LÝ THUYẾT

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 ph<p !; !; h%+ h%+ 4h<9 4h<9 D D =q =q [#$ [#$ #$>k# #$>k# #8ớ9 #8ớ9 =_9h =_9h & & 9<9h 9<9h h+,> h+,> d>E d>E D D 4+f4 4+f4 

+,mK!k#$ 4hn+ 9w#$ !Em E* = %# 4*D# 9h* h, 4h5#$ M>5# Dm !8`9 !+>

#D^K9h#$ 4% phE+ !8% h, 4h5#$ !+> h+;# D* ; 9hO% !; !* D 9E#h <* mO9

#8ớ9 4*#$ ; ]#$ -LCKd>% !ó >^ 4a mO9 #8ớ9 4*#$ ; W 4*#$ $+ớ+ h_#mO9 9h* ph•pu!k#$ 4hn+ 9h#$ 4% 9w#$ O#$ [#$ -LC !; !* D !+> h+;# <p

=>?4 4i# !8n#$ 5#$ 9v% m<^ 7m (h+ !ó #8ớ9 ={ !8`9 7m D =q [#$ m"4 9<9h h`p 

@A Ph;?n8 phXp o

Đ; 4a#h D^ ph87#$ ph<p !*K 9h#$ m $+E =q 9<9 !+> +,#

Đ; 4a#h D^ ph87#$ ph<p !*K 9h#$ m $+E =q 9<9 !+> +,# Dm +,9 9v% h,Dm +,9 9v% h,4h5#$ D \ 48W#$K he#$ 9ó = E#h h8W#$ 9v% 9<9 ^f> 45 i# #$*D+ 4<9 !"#$ D*

h, 4h5#$ Đk#$ 4hn+ 9hc# !8n#$ 5#$ *_+ #h% -VC 9ó 4h; 9h> !8`9 $+< 4 <p

=>?4 4ớ+ & B% D ; #8ớ9 9ó !" 9%* D )m

=>?4 4ớ+ & B% D ; #8ớ9 9ó !" 9%* D )m T*#$ h, 4h5#$ #D^ ={ 9ó h%+ !5+T*#$ h, 4h5#$ #D^ ={ 9ó h%+ !5+48`#$ 9Z# !* 9h\#h D <p =>?4 !8n#$ 5#$ D mO9 #8ớ9 4*#$ ; 9hO% T8ớ9hf4 9h#$ m o+# 4a#h D^ ph87#$ ph<p !*

hf4 9h#$ m o+# 4a#h D^ ph87#$ ph<p !* D 9E#h <* mO9 #8ớ9D 9E#h <* mO9 #8ớ9

@AA@ Ph;?n8 phXp o 9 phXE h6Kn ch\E l;FA

Có % ph87#$ ph<p !* D ph<4 h+,# 9h?4

Có % ph87#$ ph<p !* D ph<4 h+,# 9h?4 8>:8>:

 € -h87#$ ph<p 4h> 4‚#h ]#$ +f# !ƒ+ !+,#

€ -h87#$ ph<p !+,# % 4i# 4\#h 9h?4 !+,# 9v% 9h?4 8>

€ -h87#$ ph<p O9 o_ % 4i# = 487#$ 4<9 $+y% O9 o_ D 9h?4 8>

Ph;?n8 phXp EhF] E^nh d_n8 `6n a6 6Kn

-h87#$ ph<p 4h> 4‚#h ]#$ !; !* mO9 9h?4 8> 4*#$ a#h 9hO% Ti# ha#h && $+ớ+ 4h+,> m"4 =5 =7 !k !* mO9 s#$ ph87#$ ph<p 4h> 4‚#h

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Ha#h &&

7 !k !* mO9 4h.* ph87#$ ph<p 4h> 4‚#h

%F /]#$ ph%* 9Z> F /]#$ ph%* 4[ 9F /]#$ 9Em +f# <p =>?4 + =%+

T*#$ =7 !k ha#h &&%K ph%* @&F #ƒ+ 4i# m4 9h?4 8> !8`9 #5+ ớ+ !5+ 4c#$ @)F

s#$ j^ mm @YF d>% 9<9 „#$ c9 @3FK @RF (h+ mO9 9h?4 8> 4h%^ !ƒ+K ph%* @&F

#j#$ i# h*9 h_ o>5#$ Dm d>%^ „#$ c9 @RFK m"4 9Em +f#  4\ $# ớ+ 4[9d>%^ 9v% „#$ c9 ={ 9h* 4\# h+,> 4x , ớ+ mO9 9h?4 8>

T*#$ =7 !k ha#h YYK ph%* ha#h 4[ @&F #h#$ 9ham 4*#$ 9h?4 8>K ph\% 4i#

!8`9 4.* W+ m"4 9Em +f# !* 9 @YF T*#$ d>< 4a#h !*K 9Em +f# 9h> 4<9 !"#$9v% m"4 9 † 4x , ớ+ 9h+> 9%* 9h?4 8>:

Ti# =7 !k ha#h YY9K =q [#$ m"4 9Em +f# <p =>?4 + =%+ _#$ mD#$ @&F !4 =<4 

!<^ a#h 9hO% M"4 m4 9v% mD#$ 9Em +f# 9h> <p =>?4 9h?4 8> $j^ %:

M4 h<9 9v% mD#$ 9Em +f# 9h> 4<9 !"#$ 9v% <p =>?4 p s#$ <p =>?4 W !x#h a#h9hO% Chi#h ,9h <p =>?4 p € p =+#h % 9 4<9 [#$ i# mD#$ 9v% 9Em +f# Dm #ó

+f# _#$ B+f# _#$ 9v% mD#$ 4x , ớ+ 9h+> 9%* h 9v% 9h?4 8> 4*#$ a#h 9hO%

!8`9 9h>^;# !ƒ+ 4hD#h 4\# h+,> !+,# #hn 9<9 " +f# !ƒ+ !+,# 4h\9h h`p

Ph;?n8 phXp 6Kn dựW Eb:n E[nh ch\E 6Kn cVW ch\E l;F

C<9 9Em +f# !* mO9 s#$ ph87#$ ph<p !+,# h*_4 !"#$ 4h.* #$>^i# 499h>^;# !ƒ+ 49 4+fp +f# 4h+i# mO9 9h?4 S#$ 4hD#h 4\# h+,> !+,# % D* 4\#h 9h?4 

!+,# 9v% 9h?4 8> C<9 9Em +f# 4h8n#$ ]#$ D 9Em +f# mO9 !" |# D 9Em +f#

!+,# >#$

Ph;?n8 phXp `c ạ dựW Eb:n Bự E;?n8 EXc 86W `c ạ 9 ch\E l;F

CEm +f# O9 o_ 9h* ph•p !* mO9 9h?4 8> mD he#$ 9Z# 4+fp o9 ớ+ me+48n#$ !*K 8> !+;m #D^ ?4 4h\9h h`p h+ !* mO9 W !+> +,# me+ 48n#$ !* 9ó

#h+,4 !"K <p =>?4 9%* h*9 me+ 48n#$ 9ó 4\#h ~# m„# m_#h

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T*#$ ph87#$ ph<p #D^ 9Em +f# $km m"4 #$>k# ph<4 4+% @&F D " 4h> @YF

!4 W h%+ ph\% 9v% a#h 9hO% N$>k# ph<4 4h8n#$ D m"4 #$>k# O9 o_ 4+% ˆ 

@#$>k# 6C* h*9 &3‰ C=FK " 4h> D m"4 >k#$ +*# h*< Š 9hf !" ph<4 h+,# mO9

#$8‹#$ @ha#h YY&%FK #$>k# ph<4 D " 4h> !4 !5+ +,# #h%> W  4\ #$%#$ mO9

#$8‹#$ 9Z# ph<4 h+,#K 9h]m 4+% 9v% #$>k# ph<4 mE#h D $Z# #h8 =*#$ =*#$ T>Œ 4h>"9 D* mO9 9h?4 8> @3F 9%* h7# h%^ 4h?p h7# mO9 #$8‹#$ mD 9h]m 4+% !f# "4h> ={  =>^ $+Em h*9 he#$K " 4h> ={ ph<4 % 4\# h+,> 487#$ O#$ ớ+ 9<9 4_#$4h<+ =* ớ+ mO9 #$8‹#$

Š 9hf !" !* mO9 +i# 4[9 @ha#h &&FK #$>k# ph<4 @&F ph<4 % 9h]m 4+% ớ+ m"4 $ó9

mW "#$ d>•4 i# 4*D# " 9h+> 9%* 9v% mO9 9h?4 8> 9Z# +;m 4% D " 4h>

Ha#h&Y

CEm +f# !* mO9 s#$ 4+% O9 o_

%F CEm +f# ph<4 h+,# #$8‹#$ F CEm +f# !* mO9 +i# 4[9

&F N$>k# ph<4 4+% O9 o_ YF B" 4h> 3F Ch?4 8>

(h+ mO9 9h?4 8> @3F 4~#$ * = h?p 4h[ 9v% 9h?4 8> 4~#$K 9h]m 4+% !f# " 4h> @YF

={  =>^ $+EmK * !ó 4\# h+,> % 4 " 4h> $+Em 4h.* MO9 !" =>^ $+Em 9v% 9h]m 4+%

O9 o_ 4x , ớ+ mO9 9h?4 8> 4*#$ a#h 9hO%

 Vl^ 4*#$ 3 ph87#$ ph<p !* 4i#Kớ+ ! 4D+ #D^ 9h#$ m =q [#$ ph87#$ ph<p 4hO 3 D ph87#$ ph<p O9 o_ !; !* mO9 9h?4 8> 4*#$ ; 9hO%

Ư> !+;m 9v% ph87#$ ph<p #D^ :

- 4h\9h h`p h+ !* mO9 W !+> +,# me+ 48n#$ !* 9ó #h+,4 !"K <p =>?4 9%*h*9 me+ 48n#$ 9ó 4\#h ~# m„# m_#h

- Đ" 9h\#h o<9 9%* D \4 =%+ ,9h 4h.* 4hn+ $+%#

- /z p !4 * he#$ 4+fp o9 ớ+ #8ớ9

@AAA ph;?n8 phXp o Xp BF\E 

 p =>?4 h%^ 9„# $c+ D O#$ =>?4 #•#K 9ó #hy#$ !9 4\#h !9 +,4 mD E#h h8W#$4ớ+ 9<9 ph87#$ 4hO9 !* #h8:

-%$ ‰ 

#$h+i# 9O> h*9 4h+f4 fK #h8#$ 9ó m"4 =5 O#$ [#$ mD $+< 4 !c9 4>^,4 !5+ _+9ó \9h h+ !4 4*#$ !+> +,# 9[ 4h; 9v% d>< 4a#h BW+ a 4i# 4h9 4f hó 9ó 4h;h4 m"4 9hj# he#$ 4>^,4 !5+ i# 4*#$ S 9Em +f#K 9<9 9Em +f# 4h8n#$ !+>9hx#h $+< 4 !c9 9v% 4h+f4  !* s#$ 9<9h =q [#$ h, =5 =q% 95 !#h h*9 9<9

=>?4 9%+p T*#$ h+ p=+ 9hv ^f> |# 9„# !8`9 =q [#$ W M’ 4ha !7#  !* 4hOh%+ 4h.* h, m•4 #$D^ 9D#$ 4W #i# phƒ +f# B%‘ !r 4h%^ 4hf s#$ p%=9%‘ D

+*p%=9%‘ a =5 #D^ ]#$ 4h>l# 4+,# h7# Cw#$ 4k# 4_+ #h+> !7#  !* h<9K

#h8#$ #ha# 9h>#$ 9h#$ 9hx !8`9 =q [#$ 9h* #hy#$ O#$ [#$ !9 +,4

(f4 d>E ph•p !* <p =>?4 + =%+ he#$ 9hx “ D <p =>?4 4>^,4 !5+ h%^ 9%+pK W+ a9E h%+ i# 9v% ph•p !* !> !8`9 =* =<#h m"4 9<9h 49 4+fp G+< 4 !c9 9hx D !"9hi#h ,9h <p =>?4 9hO he#$ 9h* +f4 !" ớ# 9[ 4h; 9v% <p =>?4 m}+ i# Nf> <p

=>?4 + =%+ $+y% h%+ ; 9hO% D ) p=+K 4ha 9<9 ; !ó 9ó 4h; D & p=+ D 6 p=+K

h*9 ) p=+ D )) p=+ (he#$ 9ó 9<9h #D* !; o<9 !#h <p =>?4 487#$ O#$

-%$ ”

ớ+ h\ d>^;# mD he#$ ]#$ !f# m"4 9Em +f# h<9 p =>?4 + =%+ 4h8n#$

!8`9 =q [#$ hl> 45 ‘ @+€..#4+% p.==>.F

The#$ 4h8n#$K 9<9 <p f 97 h\ ớ+ 5#$ B*>*# !8`9 >5# 9*#$ D 4h+f4  !*4+i> 9h>t#K D h+,# #%^ 9<9 4h+f4  #D^ |# 4k# 4_+ ớ+ #h+> 9?> ha#h T>^

#$h,K =*#$ 45+ 4h+;> %* $+n 9w#$ phE+ 9ó m"4 m*> 9h\#h D m*> C-0Ch#$ !8`9 $c+ 9h>#$ D m*> mW "#$ T?4 9E 9<9 m*> !8`9 $< 4i#

@/+$+4%F Cƒ#$ D* % 9ó 4i# m*> C-0 !8`9 $c+ D 9ƒ#$ D* %UNBUAPT

T*#$ hc -LC ‰€Y 9ó #h+> *_+ m*> C-0 h<9 #h%> Nó+ 9h>#$9h#$ !8`9 !4 4i# 4h.* " + oq  9ó 4*#$ #ó #h8 m* C-0Y&YKC-0YYRK C-0YY6T*#$ ph_m + ! 4D+ #D^ 4% 9hx !+ #$h+i# 9O> =j> C-0YYR

• Ha#h &3 : C?> 4_* C-0YYR

Nhy#$ m*> 9]#$ =q [#$ m"4 *_+ " oq \ #h8#$ h<9 #h%>  9ƒ#$

D*Ž% *#*% 9w#$ #h8 9<9 h5+ hDm !9 +,4 !8`9 4\9h h`p =˜# 4*#$4h8 +,# 9v% h, !+> hD#h ph[9 [ +,9 =q [#$ 9<9 9ƒ#$ D*Ž%

N$*D+ % 9„# 9ó m*> C-0 ớ+ h%+ 9ƒ#$ 4>^# 4he#$ @C-0YY6FK 4*#$

!ó 9ƒ#$ 4>^# 4he#$ 4hO h%+ 9ó 9hO9 #~#$ 9h\#h D ph[9 [ +,9 #5+m_#$ phj# 4<# T?4 #h+i# Qm 4h.* 9ƒ#$ 4>^# 4he#$ 4hO h%+ #D^ D

#hy#$ phZ# mm 4+,# [#$ 4h\9h h`p 9w#$ !r !8`9 9D+ =˜# 4*#$ h, !+>hD#h

Ti# m*> C-0YYR 9ó &R !Z> D* D & !Z> % 5 m*> mW "#$ 45+

[#$ ‰ ' Y 4h9 h+,# 9<9 ,#h #D^ m"49<9h +i# 4[9K 9h* m"4 9h> Œ d>•4 Ch87#$4a#h 9h\#h 4h8n#$ !8`9 !4 4i# D UB&

C<9 4hv 4[9 9*#: m+# 9hO% 9h87#$ 4a#h9*# !8`9 4ƒ 9hO9 4hD#h hDm 9ó 9<9 +f# ha#h

-%$ &

4hO9 !; 4%* !ƒ+ y +,> ớ+ 9h87#$ 4a#h !r $c+ #ó

he#$ !c9 49 4+fp 4_#$ 4h<+ *$+9 9v% 9ƒ#$ D* mD 9hx ?^ y +,> 9v%9ƒ#$ D* 4 " !fm I

[#$ " #hớ V !; 9?4 y +,> h<9 $# +# ớ+ d>< 4a#h oq  T>^ 9lp

" #hớ V 4h.* 9<9 +4K ^4.K š*K h%^ *> š*

€ M @B+4 m.m*^ %.%F: =q [#$ ]#$ #hớ +4 M #h8 !+> h+;# 9<9 7.K9?4 9<9 4_#$ 4h<+ 4>#$ $+%# 9v% m"4 d>< 4a#h h%^ !+> h+;# m"4 4he#$4+# h<9 T>^ 9lp ]#$ #hớ #D^ 4h.* 9<9 +4K ^4.K š*K *> š*

€ M @p.9+% M.m*^F: 9<9 +4 M 9>#$ 9?p m"4 9<9h 4hO9 9h* ph•p

4he#$ 4+# $+%* 4+fp $+y% C-0 D 9h87#$ 4a#h Có 4h; =q [#$ 9<9 +4 #D^

!; % 9hc# D !+> h+;# m"4 =5 9hO9 #~#$ !9 +,4 9v% C-0 ‰ ' YK \

[ #h8: +4 !8`9 4h+f4 lp s#$ & 4*#$ „#$ d>•4 !Z> 4+i# @M&FK +4

>e# s#$ & 4*#$ mc+ „#$ d>•4 @MFK \4 4_* o>#$ @MR D M)F

…

 3 V]#$ !5+ 48`#$

V]#$ !5+ 48`#$ !8`9 =q [#$ !; 8> $+y y +,> 9h* 9<9 !5+ 48`#$ lp4a#h #h8 9<9 $+< 4 4O9 4hn+K $+< 4 !4 48ớ9 9v% " !fm h%^ T+m. /y

+,> +;> !5+ 48`#$ %* $km 9<9 4h%#h $h+ 9v% T+m.K " !fmK 9<9 " !fm

459 !" 9%*K " !,m D*Ž % 487#$ 4 D 9<9 4h%#h $h+ 4\9h >’ @4h%#h ACF(+;> y +,> !5+ 48`#$  h_# 9hf ?4 #h+> a 9<9 y +,> +;> !5+ 48`#$9hx !8`9 $h+ 4h.* m[9 !\9h 9Z# =q [#$ !5+ 48`#$ !ó

-%$ &&

V„#$ d>•4 9v% -LC 

-LC 4h9 h+,# 9<9 9e#$ +,9 @%* $km 9E 9h87#$ 4a#h !+> h+;#F 4h.*9h> 4a#h p M}+ „#$ p !8`9 $c+ D m"4 „#$ d>•4 @=9%#F M}+ „#$d>•4 !> 4 !Z> s#$ +,9 9h>^;# y +,> 4 9<9 9ƒ#$ D* =5 4ớ+ ]#$ "

!,m E* IK 4+fp 4h.* D $+%+ !*_# 4h9 h+,# 9h87#$ 4a#h T*#$ 4#$ „#$d>•4K 9h87#$ 4a#h 4h9 h+,# 4 ,#h !Z> 4+i# !f# ,#h f4 4h9 9v% h5+UB& =%> $+%+ !*_# 4h9 h+,# 9h87#$ 4a#h D $+%+ !*_# 9h>^;# #"+ >#$9v% " !,m E* ™ 4ớ+ 9<9 9ƒ#$ % =5 V„#$ d>•4 !8`9 f4 4h9 s#$ $+%+

!*_# oq  9<9 ^i> 9Z> 4>^# 4he#$ @#f> 9óF D +;m 4% 4_#$ 4h<+ 9v%C-0 M}+ „#$ d>•4 9ó 4h; !8`9 me 4E #h8 =%>:

Ha#h &R: ™>< 4a#h h*_4 !"#$ 9v% m"4 „#$ d>•4 

Ch : B" !,m I D ™ he#$ +i# d>%# 4ớ+ 9<9 9ƒ#$ D* % 487#$ 4 #i#9<9 ,#h 4>^ #hlp 9ƒ#$ 487#$ 4 !8`9 4h9 h+,# 49 4+fp ớ+ 9ƒ#$ l4  9hO he#$ 4he#$ d>% " !,m

Nf> =q [#$ 9<9 h5+ 9h87#$ 4a#h !9 +,4 9ó 9hf !" #$4 @#h8 4>^#4he#$ $+y% 9<9 4h+f4 FCh87#$ 4a#h 9v% 9<9 h5+ !ó ={ !8`9 4h9 h+,#4*#$ „#$ d>•4 h+ o>?4 h+,# 4\# h+,> <* #$4 9]#$ 9hv#$ *_+C<9 h5+

-%$ &Y

9h87#$ 4a#h #D^ 9ó 4h; 4h9 h+,# 4_+ mc+ „#$ d>•4 9hO he#$  $„ •p

D phE+ W 4*#$ $+%+ !*_# 9h87#$ 4a#h Ch›#$ h_# m"4 4\# h+,> <* #$4 o>?4 h+,# h+ -LC !%#$ W $+%+ !*_# 4>^# 4he#$ D +;# 4% #"+ "K -LC

={ 4_m #$ 9e#$ +,9 4>^# 4he#$K +;m 4%K !; 4h9 h+,# #$4 #h8 l^K4hn+ $+%# „#$ d>•4 ={ 9D#$ ớ# h+ 9D#$ 9ó #h+> 4\# h+,> #$4 o>?4 h+,#

B" #hớ y +,> Y(B Y(B ”(B &(B &(B

N$“ %o>#$ Y o Y H Y o Y H Y o Y H    Y o &  Y o Y H 

Cƒ#$ $+%* 4+fp &oP€R”) &oP€R”) &oP€R”) YoP€R”) YoP€R”)  

B+f# 4W %#%*$

4i#

4>^# 4he#$ $+y% 9<9 " !,m E* ớ+ #$*_+ + 4*#$ $+%+ !*_# & D 3 * h, !+>hD#h C-0 d>E# K W m"4 =5 m*> C-0K h+ $p ,#h D*Ž% #$%^ lp 4O9 h, 4he#$

={ 9h* #$ mc+ 9e#$ +,9 h<9K #$%^ 9E 9h87#$ 4a#h oq  #$4 !; 4h9 h+,# ớ+9ƒ#$ D*Ž%

C<9 4he#$ =5 9v% -LC *_+ C-0 YYR:

Ha#h &&:-LC ‰€Y C-0 YYR

PLC Siemens S7-200, CPU 224,14 vào,10 ra relay,220 VACPLC S7-200, CPU 224

 Nguồn ung !"# 220 VAC$

 Ng% vào# 14 &' &C$

 Ng% ra# 10 &( )elay$

*+ n ./ng rn# 12*$

*+ n 3 li5u# 6*$

Proi8us &P e9en3a8le$

:i;u <i=n P'&# C>$

 NgQ "?n Rng# 4$

S ?u vàora > sn# 14 &'  10&($

S ?u vào  ra s T i  nD lQ" gW" m @o3ul s mX r+ng#

&'&(@AY# Z4  74  1K6S ?u vào  ra ./ng T  nD lQ" gW" m @o3ul Analog mX r+ng#A'A(@AY# 26  7 IJ o[ 0  14  14$

'P 20

\ .# )+ng 9 Cao 9 SHu # 120 9 60 9 K2$

@A'A Tef h6gF 9O f-Fn f bộn8

a$ ]i ni5m

@o3ule analog là m+ ^ng _ = 9E lF ] \n i5u ./ng T ^ng `ua vi5 9E

lF ] \n i5u s$

 8$Analog in"u

T ! n> là m+ 8+ 8iMn i ./ng T - s A&b$ N> uy=n \n i5u ./ng

T X ?u vào àn ] on s X ?u ra$ &cng = <M ni ] iM 8G o vi 8+

i;u <i=n# dng n n o ni5 +$

3$Nguyn lF o +ng ung fa ] m 8iMn và ] \n i5u o ukn rong

^ng ngi5"$

^ng .Dng ?u vào fa ] mo3ule analog là ] \n i5u i5n ]" o[ 3ng

i5n$ rong <i > ] \n i5u ./ng T ?n 9E lF li .Dng là ] \n i5u <^ng

i5n n ni5 +, + km, ]" su!, l.u l.ng, <i l.ng $ $ $ V vy ng.Di a ?n "i

> m+ iM 8G rung gian = uy=n ] \n i5u này v; \n i5u i5n ]" o[ \n i5u3ng i5n  iM 8G này . gpi là ] ?u o ay m 8iMn$

:= i5n 3_ng và /n gin ] \n i5u vào fa mo3ule Analog 'n"u và \n i5u

ra fa mo3ule Analog (u"u uHn eo ukn \n i5u fa ^ng ngi5"$C> 2 loi

ukn " 8iMn là ukn i5n ]" và ukn 3ng i5n$

- :i5n ]" # 0  10V, 0-JV, ±JVq

- &ng i5n # 4  20 mA, 0-20mA, ±10mA$

rong <i > \n i5u h ] m 8iMn .a ra li <^ng ng eo ukn $ Vvy ng.Di a ?n "i 3cng m m+ iM uy=n i = .a ng v; ukn ^ngngi5"$

-%$ &) 

M " ] ?u m 8iMn và ] iM 8G uy=n i này àn m+ 8+ m 8iMn oàn n , .Dng gpi Q là iM 8G m 8iMn, ay ng /n là iM o và

uy=n i o  8+ rans3uerb$

• Me€!># mW "#$ žMY3) 

t@ 2IJ là m+ mo3ule ./ng T gồm > 4A' và 1A( 128i > \ "

] 8+ uy=n i A& và &A 128i X 8n rongb$

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• C] àn "?n fa m^-un analog t@ 2IJ#

4 ?u vào ./ng T

. <\ i5u 8Xi ]

 ]i A,*,C,&

A , A- , )A C] ?u ni fa ?u vào A

* , *- , )* C] ?u ni fa ?u vào *C , C- , )C C] ?u ni fa ?u vào C

& , &- , )& C] ?u ni fa ?u vào &

1 ?u ra ./ng T @(,V(,'(b C] ?u ni fa ?u ra

Swi !u n Co "W" pn 3i ?u vào và + "Hn

gii

Vy m^- un mX r+ng t@ 2IJ fa xng S't@tNS > ] ^ng s sau#

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@A) Tef h6gF 9O H4YI

g+#CC @g+#*š C*#4* C.#4.F D phZ# mm 4_* #$ h, CA/A DHMI ?4 m_#h 9v% hr#$ IžMžN h+,# !%#$ !8`9 ]#$ phƒ +f# 4i# 4hf  $+ớ+ D V+,4 N%m g+#CC h+,# 9ó m4 4*#$ ?4 #h+> ‚#h 9 #h8 =E# o>?4 o+m~#$K $+?^K 4h•pK Z> h\K…

g+#CC D m"4 h, 4h5#$ !+> h+;# 4>#$ lp 9ó 4\#h 9e#$ #$h+,p D 9ó4\#h ’ 4h>l4K h, 4h5#$ mD# ha#h h+;# 4h !k hc% D !+> h+;# #h+,m [4*#$ =E# o>?4 D 4 !"#$ hó% d>< 4a#h H, 4h5#$ #D^ !8% % #hy#$ m*>.9hO9 #~#$ 4\9h h`p 9e#$ #$h+,p 9h* h+;# 4h !k hc%K #hy#$ 4he#$ <*K

#hy#$ 8> 4y D #hy#$ <* 9<* Nó D m"4 4a#h !+> h+;# m_#hK #h%#h9hó#$ 9lp #hl4 9<9 E#h D #hy#$ 9hO9 #~#$ 8> 4y %# 4*D#K E* !Em m"4 4\#h `+ \9h 9%* !.m _+ 9h* #$8n+ l# hD#h m"4 $+%* +,# 49 d>%# z =q 

[#$K 9ó hE #~#$ $+<m =<4 D !+> h+;# d>< 4a#h 9e#$ #$h, 4h.* 9hf !"4hn+ $+%# 4h9

N$*D+ #hy#$ 9hO9 #~#$ h, 4h5#$K g+#CC !8% % #hy#$ $+%* +,# mW 9h* 9<9 $+E+ ph<p 9v% #$8n+ ]#$ Nhy#$ $+%* +,# #D^ Dm 9h* #ó 9ó 4h; 4\9h h`p 4*#$ #hy#$ $+E+ ph<p 4 !"#$ hó% phO9 4_pK 9<9 $+E+ ph<p 9h*9e#$ 4^ mW  4>^ #hlp 4ớ+ 97 =W y +,> 4\9h h`p W+ #hy#$ $+%* +,#9h>t# U/BC D ™LK = k#$ $h•p #hy#$ !5+ 48`#$ D #hy#$ 4D+ +,> !8`94\9h h`p W+ ULžY D ULž C>=4*m C*#4*= @UCXF Nhy#$ 97 9hf #D^ Dm9h* g+#CC D m"4 !5+ 4<9 z h+;>K z 4>^# 4E+ 4*#$ me+ 48n#$ g+#*š=

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 Bảng 1.7: Sơ đồ chân đấu họ CPU 

Đ; oj^ #$ !8`9 $+%* +,# HMI s#$ phZ# mm g+#CC 4ha 9?> ha#h phZ# 9O#$ phE+ %* $km 4h+f4  -LC ‰€ooo D 9?> ha#h phZ# 9O#$ 45+ 4h+;>9v% m<^ 4\#h 9h* +,9 =q [#$ phZ# mm g+#CC D 9<9 4h+f4  h<9 ph[9 [9h* +,9 4>^# 4he#$

g+#CC h} 4` 9h* 4?4 9E 9<9 m<^ 4\#h ' Nhy#$ ## 4E#$ -C 4h\9h h`pM9 ] $+< 4 !8% % 9h* 9?> ha#h 45+ 4h+;> #h8#$ _# phE+ !_4 !8`9 9?>ha#h h>^f# 9<* !; !_4 h+,> d>E 45+ 8> g+#CC % 4i# h, !+> hD#h M3Y

+4 ' g+#*š= —) h*9 NTK E* !Em phE# O#$ #h%#h !; oq  #hy#$ = +,#

D 9h5#$ _+ = m?4 m<4 y +,> i# 4*#$K 4_* % m"4 = %# 4*D# 9%* m"4  

<# #h+> #$8n+ ]#$ g+#*š= NT 9w#$ !8% #hy#$ hDm !8`9 4_* % 9h* = 

%# 4*D# D ph[9 [ #h8 #hy#$ 4h%* 4<9 97 =W 9h* .. 4*#$ m"4  <#g+#CC #h+> #$8n+ =q [#$ -hZ# mm g+#CC D m"4 O#$ [#$ 3Y +4 ph<4 4+;# ớ+ 9e#$ #$h, phZ# mm h+,# !_+K h8ớ#$ !5+ 48`#$ #h?4 

1. C?> 49 9v% g+#CC 

C*#4* C.#4. Dm 9h* 4% 9ó 4h; !#h h8ớ#$ o>^i# d>% #hy#$ O#$ [#$g+#CC D y +,> 9v% #ó ớ+ 9hx m"4 \4 4h%* 4<9 C*#4* C.#4. 4h%* 4<9487#$ 4 $+5#$ #h8 žop*. 4*#$ g+#*š= T*#$ g+#CC %* $km Y 97 =W 

y +,>: m"4 D#h 9h* +,9 !#h _#$ h, 4h5#$ C @C*#Ÿ+$>%4+*# ^=4.mFKm"4 D#h 9h* +,9 9h_^ 4hn+ $+%# 4h9 PT @P># 4+m.F (h+ 9h_^ g+#CCK Y 97 

=W y +,> #D^ >e# !8`9 4E+ D* D 9h_^ =*#$ =*#$ ớ+ #h%>

C?> 49 9v% g+#CC 

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- H, 4h5#$ 4he#$ <* @A%m L*$$+#$F: #hy#$ 4he#$ <* !Z> % D <*

!r #hl# !8`9 4he#$ 4+# W !Z> %

- *_# 4hE* D 8> 4y #hy#$ $+< 4 ph•p !* @T%$L*$$+#$F

• *_# 4hE* #hy#$ $+< 4 ph•p !* D 9?4 $+y 9h#$ 4*#$ 4hn+ h_#

j> D+

• *_# 4hE* y +,> h8ớ#$ #$8n+ ]#$ D 9?4 $+y 9h#$ j> D+

- H, 4h5#$ <* 9<* @P.p*4 /.=+$#.F: <* 9<* #hy#$ 4_# 4h<+ 9v% h,4h5#$

c. C<9 h<+ #+,m 4h8n#$ ]#$ 4*#$ g+#CC 

- g+#CC žop*. 

Nó !8`9 o>?4 h+,# h+ hW+ !"#$ g+#CC T?4 9E 9<9 phZ# 9v% g+#CC !>

!8`9 hW+ !"#$ 4 !j^ T 9q% =ƒ g+#CC žop*. 9ó 4h; ojm #hlp D*4?4 9E 9<9 4hD#h phZ# mD m"4  <# $+%* +,# #$8n+ m<^ 9Z# 9ó 9w#$

#h8 +,9 oj^ #$ 9?> ha#h 9h* 9<9 phZ# +i#$ { !ó

- ChO9 #~#$ 9v% g+#CC žop*. 

g+#CC žop*. $km 4?4 9E 9<9 9hO9 #~#$ d>E#  ph[9 [ +,9 D* h,4h5#$ 9v% g+#CC T_+ !j^ _# 9ó 4h; !4 9?> ha#h @C*mp>4.K T%$K…F D

hW+ !"#$ m* P>#€4+m

- Nh+im [ 9v% d>E#  y +,> @/%4% M%#%$.F

Đj^ D m"4 phZ# 9v% g+#CC žop*.K #ó 9>#$ 9jp 9<9 ha#h E#h d><4a#hK " !,m @-*9.== Im%$.F 9h* 9<9 4%$

- Nh+,m [ 9v% g+#CC žop*. 

• T_* m"4  <# mớ+

• Đ4 9?> ha#h 4c# #

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• Gc+ D 8> 4y  <#

• ™>E# \  <#: MWK 8>K + 9h>^;# D =%* 9h•p

• ChO9 #~#$ ?# E# m_#$ 9h* #h+> #$8n+ =q [#$ @C+.#4€.. ž#+*#m.#4F

• H+;# 4h 9?> ha#h y +,>

• Đ+> h+;# D !4 9?> ha#h 9v% 9?p l9 9v% 9<9 E#hK 9?> 49 h,4h5#$K 9h›#$ h_# #h8 s#$ 9<9h 4h; h+,# 9j^ 4h8 m[9

• CD+ !4 4he#$ =5 4ƒ#$ 4h; #h8 #$e# #$yK h, 4h5#$ !8n#$ |#

C?> 49 9v%  <# !7#

• / <# #h+> #$8n+ ]#$ @M>4+€0=. -*¡.94F

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C?> 49  <# m>4+€9+.#4 

- C<9 4hD#h phZ# 97 E# 4*#$ g+#CC 

• C*mp>4.: ™>E#  4?4 9E 9<9 g*4%4+*# D .. #sm 4*#$-*¡.94 

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!9 +,4K 9<9 M.==%$ ^=4.m #h8 9E#h <* @A%m L*$$+#$FK 4h>4hlp D 8> 4y 9<9 $+< 4 !* @T%$ L*$$+#$FK h, 4h5#$ <* 9<*

@P.p*4 /.=+$#.FK $+?^ ph•p =q [#$ @0=. %m+#+=4%4+*#F D 9<9T.o4 +%^ T?4 9E 9<9 m*> #D^ !> 4h>"9 h, 4h5#$ g+#CC 

#h8#$ #f> he#$ 9Z# 4h+f4 4ha he#$ #h?4 4h+f4 phE+ 9D+ !4 hf4 

- T*#$ phZ# mm g+#CC 9ó m"4 h<+ #+,m !9 +,4 d>%# 4c#$ mD9h#$ 4% 9Z# phE+ #m y#$ h+ oj^ #$ & h, 4h5#$ !+> h+;# $+<m

=<4 s#$ g+#CC !ó D h<+ #+,m  T%$ D T%$ G*>p T%$ D m"4 4hD#h phZ# 4>#$ $+%# 9h* +,9 4>^ #hlp 9<9 +f# d>< 4a#hK T%$G*>p ]#$ !; 4ƒ 9hO9 9<9 T%$ 4hD#h 9<9 9?> 49K 4?4 9E 9<9 T%$ !>9ó 4h; !8`9 4ƒ 9hO9 4*#$ 9<9 #hóm T%$ !; 4~#$ = “ D#$ 9v%  

<# g+#CC me 4E & _#$ y +,> 4hD#h phZ# !ó D *_+ >^ #h?4 4*#$

&  <# D #hy#$ >l4 9h* ph•p 4>^ 9lp y +,> #D^ /y +,> d>E#  9ó = h<9 #h%> $+y% Y *_+ T%$:

• I#4.#% T%$ @T%$ #"+F: D 9<9 h5+ #hớ 4*#$ g+#CC !8`9 phj#9h+% 4h.* 9hO9 #~#$ #h8 m"4 -LC Ch#$ 9ó 4h; !8`9 4\#h 4*<#

- Đ+> h+;# ƒ# !#h <p =>?4 4*#$ !8n#$ 5#$ 7m >e# W 3K) % 

- (h+ <p =>?4 4*#$ !8n# 5#$ 8`4 d>< RK) % !Q# 9E#h <* <p =>?4 9%*HA- =<#$

- (h+ mO9 #8ớ9 4*#$ ; 8ớ+ &m 4ha !Q# 9E#h <* mO9 #8ớ9 4h?p LAL

Cpn m 8iMn o mR n. t4PA-LSK00-@1-N fa xng (@)(N

jn 2$1 Cm 8iMn siu Hmt4PA-LSK00-@1-N

Thông #$ %& th'(t)

*+,- %h+ảng /h 0+ 3455

• Cm 8iMn siu Hm n r_, vi ng| ra analog 4-20mA, 0-10V&C$

• &cng = o <ong ] và + 3?y

•  Nguồn !" 12-24V&C }10$

• ^ng "_ u+ n 3]ng, \n !, màu sQ fa v =$

• ?n s s>ng siu Hm o +ng KJ-I60O

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• > "] s>ng ~" }60, <i=m ra . ] v > 3i5n \ n| 1009100mm

• :•n 8]o  G rng ]i ng| ra màu 9an$

Cm 8iMn ]" su! P& Sensys là loi 3cng o ] loi gas và ! l|ng$ .Dng . Rng 3_ng

rong i;u <i=n `u] rn, 5 ng fy lT và <\ nWn, i;u <i=n m]y nWn <i, 5 ng ln$

CkY IN %P 3!mT NƯC 3N33 PTC

C m bi n áp su t Sensys series PTC là lo i c m bi n áp su t có th dùng cho nhi u lo i môi ch t khác nhau nh : n c, d u, khí v i nhi u ngõ ra tùy ch n: nh 0-5VDC, 1-5VDC, 0-10VDC, 4-20mA.

Hình 2.2 C m bi n áp su t SENSYS PTC

c i m :

Ngu n c p là ngu n 1 chi u 24v

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Đrc E[nh J^ EhFậEcVW `6n ESn YY)s

- Đ+,# <p !#h mO9 #$“ %: &Ž3 ph% YYVAC D 3 ph% 3”VAC 4>Œ 4h.* 9hc#

mr hD#$K 4Z# =5 #$“ % 4 H !f# 6)H 

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