Ứng dụng PLC điều khiển trạm trộn bê tông

Kỹ thuật ghi dịch
điều khiển trạm trôn bê tông
A. Mục đích yêu cầu

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B. Chuẩn bi :
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234 ),56+,4&/70
(5089*/#
C. Lý thuyết :
Mô tả công nghệ :
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FG
-HI(?;?J
7 K5 7
L7M
7
L<;M7
=J
L7=
5
L7<;=
NO;&
P
P
N&
2@&
Q5*9J?;:7R
L>S7)5TS7*5,N5,"7:EU<+@

=JV75W7#$4X9786$:)<7'7
73YA+V797L=7U9*)4=7
234 =5")$7KZ[P![*$=\8,+
9JV7J]4;0:E*V70&^+=2>
.7&B5_)6.5 5?I`
&9*8a%7a:E5&B3$45)?b=
4X5 .
Q7=J'Jc)0>&d
Q5*9J'&?;:%R
P7CDP7R
• (e97=5=15Yff='7g1Y
• (e97=N5=1N5@ff='7g1Y
• (e97=7g=17Y ff='7g1Y
• O;=,<;'7hi#J7)*j3=Jk,'7k
• 2&1lI=0
• O;&%PY
• NI:A<;3
• NB@&)3%P
• `3D&m=&9*V5%.%371:+n
G


;43
N15
;43
N1N5
;43
N17
Ndd=J
Ndd='7



;43
N1'7
I
D. C¸c bíc thùc hµnh
 2$0>/?J>>,=8$17J+9*
5*9J17J
 J>5/9*7R
G/9*),F/7)(oKp,
 =U9*)7)R'JB"qc)>rR
l K'd\R
G
§Çu vµo :
P7
=15
=1N5
=17
l=1'7
I=Jk
='7k
sP
FP
Gpc:c
§Çu ra :
*9J
L7=5
L7=N5
L7=7
lL7=7

IL7<;=,<;7
NBN&\<;&
sNB&\NB&
G
`?
B
=1N5t
KY=7
`?
B
2klI:t
`?
B
O;kt
KY<;,28A
7
`?
B
P7Zt
(e97=5
`?
B
=15t
KY5,=N5
P7)7
`?
B
)6<;=t
O;J,<;'7
(e97='7

=1'7t
KY='7
`?
uK
KY,28A7
%Pt
O;&
N1:t
%Pt
NB&
P+nkN.t
P+nki
I Kd:7;d7R
G
7
I


L


Kvw!hj


-pF
(ZLhj
x
-p
Il
Pw2hj

-p
-p



)
K7
-p
N=5
N5
-p
N$=N5
N7
-p
N$=7
I
-p
N$O;=
2v(
-pl
28272&
sP
-pI
N$O;?
FP
-ps
N$NB?
2v(
-p
28A7<;

2
uK
-p
75
7
-p
=N5
-p
=7
-pl
2v(
xlI
-pI
O;2&
-p
2v(
xI
-ps
sNB2&
-p
l=M7
-p
-p
lN7
-p
IO;=
NJ
-p
2
xI


N
p
-pF
Nc
Nc
;d79*)
 +9y4&/709*O)57::z)Rg()cg
s O)5)*4&\{R
`)50$3&)7:7B4C/58R
gPcg)gpc:cg()cg,
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 [;8:'57}7}75\;d717
Z(pZ,9*17Pvu(uP.$5717\
l N$;4;)?U7n=9*)@&7@>3$

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I N$=7)~<C*9J17%*3*),>;59*
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