Upload
nguyen-minh-nhat
View
224
Download
0
Embed Size (px)
Citation preview
7/24/2019 Bai 6 Do DA DC Analog
1/14
BI 6O IN P DC V IU KHIN ON/OFF
MC TIU CA BI
Sau khi hc xong bi ny hc sinh c kh nng:- Ghp ni cc Modul Analog ca PLC S7-200,- Lp trnh tr!n PLC S7-200"# "$c %& '( l) cc t*n hi+u Analog- .n lu/+n "c t*nh c1n thn, t 3, t4 du/ 5ng t6o %& hoa h$c, "83 98o
an to&n cho ng4:i %& thi;t 9uan ";n %i+c '( l) cc t*n hi+u Analog Cc "6i l4Dng %t l)
nh4E nhi+t "@, p 5uFt, tc "@, dng ch8/, "@ PH cn ph8i "4Dc cc 9@ 9i;n "Iichu1n ho t*n hi+u trong ph63 %i "
7/24/2019 Bai 6 Do DA DC Analog
2/14
6.. B"*$ +", -- (" 0 A%&'(
M^i t*n hi+u ngK %&o Analog 5au hi >ua 9@ chu/#n "Ii AQC trong3odul AU "4Dc chu/#n th&nh cc 5 ngu/!n Untgr [ 9it cB gi tr< tN 0 ";n 27[_] Qo "B "
7/24/2019 Bai 6 Do DA DC Analog
3/14
+ D1 n3i cho Sensor cn 5 ng6n nh( (/i m7c c8 (h5+ S9 :ng cp i 1 ;o6n cho sensor+
7/24/2019 Bai 6 Do DA DC Analog
4/14
X8ng 7 cFu hnh cng tc la ch$n "6i l4Dng "o
S "v cng tc, chnh "
7/24/2019 Bai 6 Do DA DC Analog
5/14
Hnh [_ M "un M 2m
][
7/24/2019 Bai 6 Do DA DC Analog
6/14
Hnh [ M "un M 2m
Sau "/ l& 5 "v ngu/!n l) 36ch ca ,o-u# / 03 3')2 1'S 4 ,5ch ng% &o :
]7
7/24/2019 Bai 6 Do DA DC Analog
7/14
S 4 ,5ch ng% *a 'na#og:
]]
7/24/2019 Bai 6 Do DA DC Analog
8/14
6.;
7/24/2019 Bai 6 Do DA DC Analog
9/14
PC -E -- ?'+$&@ %%&'( ? 0G( ! %$J- M 2m E gv3 cB 9n ngK %&o analog- M 2m2 E gv3 cB hai ngK %&o analog- M 2m E gv3 cB 9n ngK %&o analog %& ngK ra analog
6..1. 7c !8nh chung- =r hng %&o z 0M- X@ l$c "u %&o -md9 t6i m {hq- bi+n p cc "6i cung cFp cho 3odulE m0QC- Qng "i+n cc "6i cung cFp cho 3odulE m23A- CB ld 9o tr6ng thi- CB nj3 chnh |S= %& chnh "@ lDi
6..0. 7c !8nh k9 !hu! c;a /o-u#< 'na#og / 03
%) $ 7'J- S "u %&oE _, "@c lp nhau- Chc nwng 98o %+ cc t*nh E 0- Ph63 %i "u %&oE 0 } 03 ~~ 0 } 003 ~~ 0 } 003 ~~ 0 } ~~ 0 }0 ~~ 0 } 203A ~~ 23A ~~ 03A ~~ 003A ~~ 203A ~~ 003A ~~ ~~2, ~~ ~~ 0- -bi+n p "u %&o cho php %Ji "u %&o "i+n p, ti "a l& m0- Qng "i+n "u %&o cho php %Ji "u %&o dng "i+n ti "a l& m23A
- Cch l/ "i+n E hng- X@ chu/#n "Ii E 2 9it- =h:i gian chu/#n "Ii tN t4ng t 5ang 5 E 205- b@ phn gi8i 2 9it- bi+n p ch; "@ chn dung ti "a E 2- =ri+t nhi\u E _0dX, QC ";n [0 Hq Thng tri+t nhi\u tn 5V- Ph63 %i cB th# tha/ th; ca cc gi tr< chu/#n "IiE- Cc t*n hi+u hng cB cc t*nh E 0 } m2000- Cc t*n hi+u cB cc t*nhE -m2000 } m2000- {h8 nwng tu/;n t*nh ho "Rc t*nh E hng- {h8 nwng 9` nhi+t "@ E hng- Hi#n th< chu1n "on l^i E LQ, =
L) $ 0%S "u ra E Ph63 %i "u raE
- bu ra "i+n pE -0 } 0- bu ra dng "i+n 0 } 203A
bi+n tr t8iE- Ji "u ra "i+n p nhy nhFt l&E
x0
7/24/2019 Bai 6 Do DA DC Analog
10/14
- Ji "u ra dng "i+n lJn nhFt l&E 0,b@ phn gi8iE
- Ji "u "i+n p nhy nhFt l&E 2 9it
- Ji "u ra dng "i+n lJn nhFt l&E 9it=h:i gian "RtE
- Ji "u ra "i+n p l& 005- Ji "u ra l& dng "i+n 235
Ph63 %i cB th# hi#n th< "4Dc ca gi tr< chu/#n "IiE- Cc t*n hi+u "n cc t*nhE - m2000 } m2000
GiJi h6n l^i ho6t "@ng [00C- bi+n p E 2
- Qng "i+n E 2GiJi h6n l^i ho6t "@ng 20C E
- bi+n p E 0,- Qng "i+n E 0,
=i!u th dng "i+nE- =N 9u5 9acplan TQCVE m03A- =N nguvn cFp 5n5or hoRc nguvn cFp ngo&i E [0
=In thFt cng cng 5uFtE 2
{*ch th4Jc THQV 33 E 7,2]0[2=r$ng l4Dng E ][gS "v ;t ni cc thi;t 9< ngo6i %i, 5( dng tho d6ng p %& dng Cc
contact TSitchV "# la ch$n ph63 %i ngK %&o Tcontact 3@t trong hai %< tr* |%& |V Contact la ch$n cc t*nh p ngK %&oE | "i %Ji p "n cc, |"i %Ji p l4ng cc contact 2, m, _, , [, ch$n ph63 %i "i+n pc+ =c ch> ? khi ci 7! ng% *a ana#og:
Chc chn l& nguvn 2_QC cung cFp hng 9< nhi\u %& In "
7/24/2019 Bai 6 Do DA DC Analog
11/14
%Ji Chart Statu5 cB li+t ! AU0 ";n AU[ =a chnh cc 9i;n tr 9!n ngo&i %&h8o 5t nhYng tha/ "Ii cc ord AU0 ";n AU[VBp #5i !8n hi$u &o:
9@ th* nghi+3 S7 200 "ang "Rt cFu hnh nhp %& 'uFt c`ng t l+, cB ngha
l& n;u "$c %&o ' %& 'uFt l6i ngK ra th cng "4Dc ' Tgi tr< ngK %&o cho phpl& tN 0 ";n 0V
H/ %i;t ch4ng trnh 5( dng cc ngK %&o U00 ";n U0m "# ch$n ngK ralp l6i gi tr< analog ca !nh %&o n&o TU00 ng %Ji !nh 0, U0 ng %Ji !nh ,U02 ng %Ji !nh 2 %& U0m ng %Ji !nh m ngha l& t4ng ng %Ji cc !nh A,X, C %& Q PLCV
=h* dE hp "o6n ch4ng trnh 5au thc hi+n 'uFt gi tr< analog ra lpl6i !nh 0
LQ U00 M| AU0, AZ0
;u cc ngK %&o U00 ";n U0m 5( dng lo6i cng tc |, h/ %i;t ch4ngtrnh cho tr4:ng hDp n&/
X&i tpEG$i t*n hi+u Anlog !nh AE
x2
" &( - ' Q)
0
ull Scalm27[7
m2000
R
k A' X
TH&3 9c nhFtV
0 0 00 203A
Hnh 7[ Xi#u di\n "6i l4Dng t4ng t=*n hi+u "o "n cc
S
k A' XTH&3 9c nhFtV
" &( -'
K! A%&'(
7/24/2019 Bai 6 Do DA DC Analog
12/14
xm
Hnh 77 Xi#u di\n "6i l4Dng t4ng t=*n hi+u "o "n cc hc 0
Hnh 7] Xi#u di\n "6i l4Dng t4ng t
=*n hi+u "o l4ng cc
{!nh Analog
ull Scalm27[7
2
b6i l4Dng cn "o
R A W BH7? LX- !Y)
--00
82
ull Scal- m27[7
2
R A W BH7? LX- !Y)
_ 203A' -
' -0
b6i l4Dng cn "o
{!nh Analog
ull Scalm27[7
7/24/2019 Bai 6 Do DA DC Analog
13/14
Gi8i h+ ph4ng trnh 9ng ph4ng php "v th< 5 t3 "4Dc gi tr< co "o=rong PLC cho php thc hi+n cc php tonE c@ng, trN, nhn chiaE
- AQQ U, QU, E php c@ng
- SWX U, QU, E php trN- MWL, U, QU, E Php nhn- QU , U, QU, E Php chia
Ji cc 5E- E ad T5 thc cB dFu ph1/V- UE Untgr T5 ngu/!n m27[] ";n m27[7V- QUE Qou9l UntgrT5 ngu/!n p - 2_7_]m[_7 ";n 2_7_]m[_7V
C83 9i;n nhi+t P= 00E T"$c nhi+t "@ tN l nhi+tV
Pt00 nhi+t "@ 0oC - 00
Cng thc t*nhE P=k 00 T 0,00m]'tV
h4 %/ n;u t k 00oC th tk 00 T 0,00m]'00V
tk m],
h4 %/ ta "4Dc "4:ng thfng "i >ua 2 "i#3 nh4 5auE k A X
Ji k 0, k 00 5u/ raE X k 00Ji k 00, k m], 5u/ raE A k 0,m]
/E k 0,m] 00 TV
2 bu "$c Analog M 2m =QE
x_
t
010
0
10
0
138,
5
R
t
7/24/2019 Bai 6 Do DA DC Analog
14/14
- bu "$c Analog "$c gi tr< nhi+t "@ ca l nhi+t thng >ua "u "$c ca5n5or Pt00, - Ji "@ phn gi8i 0,oC
- h4 %/E n;u nhi+t "@ 0oC th AU' "$c l& 0
- ;u nhi+t "@ 00
o
C th AU' "$c l& 000,m27[,7
o
C O m27[7 "/thang
- =N "B 5u/ ra gi tr< nhi+t "@ P=00 "$c "4DcE
Gi tr< "i+n tr ca P=00 k 0,' AU' T2V
- =N TV %& T2V 5u/ raE
k 0,m] 0, AU' 00 TmV
AU' 0,E l& nhi+t "@ "o "4Dc trong l nhi+t, oC
E gi tr< "i+n tr ca P=00 T
V
x