do dan dien dhcnhn

CHNG 1: TNG QUAN V TI1. t vn :Trong iu khin chuyn ng k thut s, ng c bc l mt c cu chp hnh c bit hu hiu bi n c th thc hin trung thnh cc lnh a ra di dng s. cc loi ng c bc c s dng ngy cng rng ri trong cc h thng t ng, iu khin xa v nhiu thit b in t khc, ni bt l trong cc lnh vc sau: iu khin robot, iu khin lp trnh trong cc thit b gia cng, iu khin my dp giy decal, ... v,...v, ... V cng trong iu khin chnh xc ngi ta cn nhng ng c c th t c chnh xc cao theo ng yu cu c v lc v tc . ng c bc l mt trong nhng s la chn tt p ng c nhng yu cu trn vi kh nng chuyn ng chnh xc n tng bc thm ch l vi bc. c bit vic iu khin motor bc c ng dng ph bin trong x nghip, nh my phc v trong cng vic sn xut hin nay.Bn cnh vic pht trin cc phn mm ng dng cng ngy mt cao hn, c bit vi WinCC ( Windows Control Center), y l phn mm tch hp giao din ngi v my IHMI (Integrated Human Machine Interface) u tin cho php kt hp phn mm iu khin vi qu trnh t ng ha, l phn mm ng dng gim st, iu khin v thu thp d liu ca mt h thng t ng ha qu trnh sn xut.Vi WinCC, ngi s dng c th to ra mt giao din iu khin gip quan st mi hot ng ca qu trnh t ng ha mt cch d dng.Vic s dng nhng b iu khin lp trnh PLC ring l khng p ng yu cu iu khin ca mt h thng Scada, cn phi kt hp thm cc b hin th HMI (Human Machine Interface) giao din ngi v my.Phn mm ny c th trao i d liu trc tip vi nhiu loi PLC ca cc hng khc nhau nh Siemens, Mtubishi, Allen Bradley,v.v...,nhng n c bit truyn thng rt tt vi PLC ca hng Siemens.Trong lnh vc t ng ha trong cng nghip, WinCC l mt trong nhng phn mem HMI chuyn dng ca hng Siemens qun l thu thp d liu v iu khin qu trnh cng nghip, chng trnh dng iu hnh cc nhim v ca mn hnh hin th v h thng iu khin trong t ng ha sn xut.WinCC c ci t trn my tnh v giao tip v PLC thng qua cng COM1 hoc COM2 (chun RS- 232) ca my tnh. Do , cn phi c mt b chuyn i t chun RS-232 sang chun RS-485 ca PLC.WinCC cn c c tnh m. N c th s dng mt cch d dng vi cc phn mm chun v phn mm ngi s dng, to nn giao din ngi-my p ng nhu cu thc t mt cch chnh xc. Nhng nh cung cp c th pht trin ng dng ca h thng qua giao din m ca WinCC nh mt nn tng m rng h thng.Ngoi kh nng thch ng cho vic xy dng cc h thng c qui m ln nh khc nhau, WinCC cn c th d dng tch hp vi nhng ng dng c qui m ton cng ty nh vic tch hp vi nhng h thng cao cp nh MES(Manufacturing Excution System- H thng qun l vic thc hin sn xut)v ERP(Enterprise Resource Planning).WinCC cng c th s dng trn c s qui m ton cu nh h thng tr gip ca Siemens c mt trn ton th gii.i vi S7-300 th vic kt ni vi WinCC mt cch d dng nh s tch hp sn. Trong khi thc t cc PLC S7-200 vn cn s dng nhiu m WinCC th khng tch hp sn. V vy vic kt ni gia S7-200 v WinCC phi thng qua phn mem S7-200 PC Access lin kt. y cng l mt phn c trnh by trong bi lun vn ny.e ti m ti thc hin l mt v d thc tien: M hnh gimstviukhin ng c bc. Ni dung ti bao gm cc vn sau: Tm hiu v S7-200 (CPU 226CN) lp trnh. Tm hiu v WinCC, PC Access. Thit k c m hnh gim st v iu khin ng c bc dng PLC S7-200 thc hin ct giy theo mt chiu di nh sn v c s gim st ca my tnh.2. Gii hn ti:Vi thi gian gn by tun thc hin ti, cng nh trnh chuyn mn c hn nn ti ny ch lm: Tm hiu v cc b iu khin ng c bc v s dng S7-200 (CPU 226CN) lp trnh, tm hiu v PC Access, HMI v dng WinCC gim st m hnh ct giy t ng. Rt mong nhn c s gp kin quthyLun Vn Tt NghipTrang: 3 5

Lun Vn Tt NghipTrang: 3 5

c v cc bn sinh vin hon thin hn v v ti ny.Lun Vn Tt NghipCHNG 2: co S L LUN1. Gii thiu s lc v PLC S7-200.1.1 Gii thiu tng qut v h PLC S7. H PLC S7 l mt h PLC mnh, tc x l cao, kh nng qun l b nh tt, kt ni mng cng nghip. Hin nay h PLC S7 gm c S7-200, S7-300, S7-400. Mi mt th h PLC li c nhiu chng loi CPU khc nhau. i vi PLC S7, c th thc hin cc php ton logic, m, nh thi, cc thc ton phc tp v thc hin truyn thng vi cc thit b khc.Mt s thng s k thut ca S7-200 CP22X.CPU221CPU222CPU224CPU226CPU226XM

B nh chng trnh2048W2048W4096W4096W8192W

B nh d liu1024W1024W2560W2560W5120W

Kh nng d phng b nh khi mt ngun50 gi50 gi190 gi190 gi190 gi

I/O ia ch6ln/40ut8ln/60ut14ln/100ut24ln/160ut24ln/160 ut

ng h thi gian thcCartriqeCartriqeTch hpTch hpTch hp

Kch thc b m256 (128 vo, 128 ra)

Tc thc hin lnh logic0,37us / lnh

1.2 Cu hnh vo ra ca S7-200 CPU226CN

CPU 226 DC/DC/DC (6ES7 216-2AD22-0XB0) CPU 226XM DC/DC/DC (6ES7 216-2AF22-0XB0)Trang: 3

Trang:4

Trang:#

24VDC Power11111111II1

0000000000000000000000G0

M 1L- 0.0 0.1 C.2 0.3 0.4 0.5 0.3 0.7 2M 2L-1.0 1.1 1.2 1.3 1.* 1.5 1.6 1.7 M L-

1M 0.0 0.1 0.2 C.3 0.4 0.5 o.a 0.7 1.0 1.2 1.2 1.3 1.42M 1.5 1.6 1.7 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 M L-

0000000000000000000000000000

nrmT^mTTTTTTTTTTTTTTTTlujjm Iimi1

1.3 Nhng khi nim c s ca PLC S7-20024VDC Sensor Power Output

a) c d liu u vo: c cc trng thi vt l (Input) vo b m o (IRLun Vn Tt Nghip1.3.1 khi nim vng qut ca PLC

Input Register).b) Thc thi chong trnh: CPU c d liu t 1R, thc hin chng trnh phn mm, kt qu dc lu li cc vng nh thch hp v b m o u ra ( OR - Output Register).c) X l cc yu cu truyn thng ( Option ) : nu c yu cu truyn thng x l ngt.d) T chun on li: CPU kim tra li ca h iu hnh trong Rom, cc vng nh' v cc trng thi lm vic ca cc module m rng.e) Xut kt qu u ra : CPU c kt qu t OR, v xut kt qu ra cc cng vt l.Mt s lu : u vo s :+ Neu khng dng tnh nng I ( Immediately ) th d liu u vo c cp nht ti b m o.+ Neu dng tnh nng ny, chng trnh b qua b m o. u vo tng t :+ Neu b qua tnh nng lc tng t, th chng trnh s ly trc tip d liu ti cng vt l.+ Neu dng tnh nng ny, th chng trnh s c cc gi tr c lun li.M t vng qut:+ Mi mt vng qut c bn ca PLC mt t 3ms - lOms, ty thuc vo s lng cng nh kiu lnh vit trong chng trnh.network 1I0.0QO.OII< )Lun Vn Tt NghipTrang: 3 5

Lun Vn Tt NghpTrang: 6

Lun Vn Tt NghpTrang: #

Thay i mc logic u vo

_l

YI1

1

1

_

1 1

1/Thi cp nht b m uvo.2/ Thi gian thc thi chng trnh. 3/ Thi gian xut kt qu ra cng vt l.

1.3.2 Phn chia vng nh trong S7-200 :a. Vng m o u vo (I; 10.0- 115.7 ): CPU s truy cp cc u vo vt l ti u mi chu k qut v ghi d liu vo b m o. nh dng truy cp :Bit:byte address.bit address]10.1IB4

Byte. Word, or Double Word:Isizo][starting byte address]b. Vng m o u ra ( Q ; Q0.0-Q15.7 ): Cui mi chu k qut, CPU S7-200 s truy cp d liu t b m o xut ra cc u ra vt l. nh dng truy cp :Brt:Qbyto addross].[bi address]Q1.1Byte, Word, or Double Word:Q[size][starting byte address/QB5c. Vng nh' thi gian ( T ; T0-T255):Vng nh ny dng cho cc b thi gian ca S7-200. i vi mt b Timer c hai hnh thc truy cp vng nh, truy cp theo Timer bit hoc Current Value.nh dng truy cp :Ty theo lnh s dng trong chng trnh m cho php ta truy cp theo Timer bit hay Current value.Format:

T[timer number]Current ValueTOT1T2T3IS IMS)Accesses the cirrent value

T24I. biAccesses the timef bit

d. Vng nh b m ( c ; C0-C255 ): Vng nh ny dng cho cc b m ca S7-200. i vi mt b Counter c hai hnh thc truy cp vng nh, truy cp theo Counter bit hoc Current Value. nh dng truy cp :

c[counter number]Format:C24

Current ValueCOC1C2C31S iwaa)Accesses ttie cirrerr value

OLSB)Accesses the counter bit

Ty theo lnh s dng trong chng trnh m cho php ta truy cp theo Counter bit hay Current Value.e. Vng nh' c bit ( SM ) : Vng nh ny cung cp cc bit truyn thng gia CPU v chng trnh. Cc bit ny c dng la chn v iu khin mt s chc nng c bit ca CPU S7-200. nh dng truy cp :

SMO-1SMB86

Bit:Byte. Word, or Double Word:SMfbyto address], [bit address] SM[size][starting byte address]

1.3.3 Truy cp d liu gin tip thng qua con tr:a. Con tr ( Pointer ) : l mt nh c kch thc mt t kp ( double word ) cha a ch ca mt nh khc. Khi ta truy cp vo nh ca con tr c ngha ta ang c a ch ca nh mong mun. C 3 vng nh trong S7-200 cho php dng lm con tr :V, L,AC1, AC2,AC3. S7-200 cho php dng con tr truy cp cc a ch nh sau:I, Q, V, M,s, T ( current value ), c ( current value ). S7-200 khng cho php dng con tr truy cp cc ach nh AL, AQ,HC, SM, L v a ch di dng bit. Khi s dng cch truy cp d liu thng qua con tr, trong S7-200 s dng 2 k t & v *.+ K t &: Dng khi to con tr. V d : MOVD & VB200, AC1. Chuyn a ch VB200 ( khng chuynnidung)vothanhghiAC1. Thanh ghi AC1 tr thnh con tr.+ K t * : Dng truy cp ni dung nh c a ch cha trong con tr. V d : MOVB * AC 1, VB200. Chuyn ni dung nh c a ch lu trongcontrAC1vonhLun Vn Tt NghpTrang: 7



c a ch VB200.

V d :

VI

V2C012

Y20134

V2K56

V20078

AC 1address of VW200

ACa!r

12 34

MOVD &VW2QQ. AC1Coil tr AC1 c ni dung l 200 ( byte cao ca t VW200 )MOVW *AC1, ACOThaiili gill ACO c ni dung l 1234 ( ni diuis ca ili c a clii trong con tr AC1 )

b. Lu : e thay i ni dung con tr : S dng lnh tng +D ( Tng t kp, do con tr l mt thanh ghi 32 bit). Neu truy cp theo byte : Tng ni dung con tr ln 1. Neu truy cp theo word : Tng ni dung con tr ln 2.Neu truy cp theo double word: Tng ni dung con tr ln 4.1.4 La chn ngn ng lp trnh:Trong S7-200 cho php la chn 3 ngn ng lp trnh : Ngn ng' LADDER ( LAD ).Ngn ng STL.

Ngn ng FBD.Ba ngn ng ny v mt hnh thc c th chuyn i ln cho nhau. Vic la chn ngn ng lp trnh l ty theo thi quen, s thch cng nh kinh nghim ca ngi s dng.1.4.1 Ngn ng LADDER : L ngn ng lp trnh ha da trn c s s trang b in, vic kt ni lp trnh ha ging vi vic thit lp cc s relay- contactor. Mt chng trnh ngun vit bng LAD c t chc thnh cc network, mi network thc hin mt cng vic nh. S7-200 c chng trnh t trn xung di, t tri qua phi, sau lp li vng qut tip theo.V d ngn ng LADDER:Network 3Raise mechanic handT37Q0.1H I( s )1Network AMechanic hand is gone on the rightQ0.1I0.3I0.5Q0.1< )1Q0.2L-< s )1

1.4.2 Ngn ng STL : L ngn ng lp trnh di dng Text gn ging vi lp trnh hp ng trong vi iu khin v vi x l, l mt ngn ng mnh cho php to ra mt chng trnh m LAD v FBD rt kh to ra. Mt chng trnh vit di dng STL c t chc thnh cc network, mi network thc hin mt cng vic nh. S7-200 c chng trnh t trn xung di, sau lp li vng qut tip theo.V d ngn ng STL:Network 3Raise mechanic handIDT37SQ0.1, 1

1.4.3 Ngn ng FBD : L ngn ng lp trnh ha da trn c s kt ni cc khi hm, s dng cc k hiu logic ging vi i so boolean. Cc hm ton hc phc tp cng c th hin di dng khi vi cc u vo u ra thch hp. S7-200 c chng trnh t trn xung di, t tri qua phi, sau lp li vng qut tip theo.V d ngn ng FBD :Network 3Raise mechanic handQ0.1 T37Is1- N2. Gii thiu v S7-200 PC ACCESS

Network A

Lun Vn Tt NghipTrang: 10S7-200 PC ACCESS c dng trong lun vn ny vi mc ch kt ni gia S7-200 v Wincc, lm c iu ny ta cn tm hiu v cch ci t v s dng ca n nh th no .2.1. Ci c S7-200 PC AccessCc bc thc hin:Trn thanh Taskbar, chn All Programs > Run.NotepadTurboOemo 7.5 Enterpoie^Snaglt7rfj Nero PhotoSnsp Viewer Mk Essentialsl-j Punters and Faxes Help and Support J Search

Opens a jrogram, fcWer, document, Of Web site. 1

All Programs p>

j log Off I^ Turn off Computer

HUONG DAN CAI DAT...

Hp thoi Run xut hin, chn nt Browse.ja

-BType the name of a program, folder, document, or Internet resource, and Windows will open it for you,

Open:II Breeze 3\Macromedia Breeze 3\BreezePluqin.exeHv II

OKCancelBrowse.. j\ 1

Lun Vn Tt NghpTrang:! #

Lun Vn Tt NghpTrang:! 11

Hp thoi Browse xut hin, chn ng dn n chng trnh ci t. Chn file Setup, ri nhp Open m.imgot * oa-Look in: PC ACCESSiacOMM autorun 3data 1 Documents ^datal data2 kernel 23jlayout.bin 53] setup - Setup3 SetupMy Recent0DesktopJMy DocumentsMy ComputerFilename: My Network Files of type:OpenSetupHp thoi Run xut hin, nhp OK.OType the name of a program, folder, document, or Internet resource, and Windows will open it for you.Open:"E:\CHUONGTRINH\PCACCESS\Setup.exe"CancelOKBrowse...Hp thoi Choose Setup Language xut hin, chn ngn ng English, ri nhp OK.nSelect the language for this installation from the choices below.i-OKCancelVt sng xut hin lan dn qua phi trn hp thoi cho bit chng trng ang ci

Hp thoi InstallShield Wizard xut hin, nhp Next tip tc ci t.

Hp thoi k tip xut hin, chn Yes.License AgreementPlease read the following license agreement carefully.Press the PAGE DOWN key to see the rest of the agreement.PROGRAM LICENSE AGREEMENT SIEMENS ENERGY & AUTOMATION, INCREAD THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT CAREFULLY BEFORE OPENING THE PACKAGE CONTAINING THE PROGRAM DISKETTES, THE COMPUTER SOFTWARE THEREIN, AND THE ACCOMPANYING USER DOCUMENTATION (THE "PROGRAM"). THIS LICENSE AGREEMENT REPRESENTS THE ENTIRE AGREEMENT CONCERNING THE PROGRAM BETWEEN YOU AND SIEMENS ENERGY & AUTOMATION, INC. AND IT SUPERSEDES ANY PRIOR PROPOSAL. REPRESENTATION, OR UNDERSTANDING BETWEEN THE PARTIES. [Do you accept all the terms of the preceding License Agreement? If you choose No, the setup will close To install S7-200 PC Access, you must accept this agreement.Shield< Pack I Yes INoHp thoi hin th ng dn ci t chng trnh. Neu mun thay i ng dn chn nt Browse, y ta gi nguyn ng dn mc nh, Nhp Next.

nnmmnmmChoose Destination Location131

Select folder where Setup will install files.4.Setup will install s7-200 PC Access in the following folder.To install to this folder, click Next. To install to a different folder, click Browse and select another folderDestination FolderCAProgram Files\Siemens\S 7-200 PC AccessNext > K CancelVt sng xut hin lan dn t tri sang phi cho bit qu trnh ci t ang tin hnh31Setup StatusS7-200 PC Access Setup is performing the requested operationsBng SIMATIC Device Drivers Setup xut hin.1 i.'r /k? Uli,-j[HESSIMATIC Device Drivers Setup11 Sau khi cc vt sng chy xong, hp thoi Set PG/PC Interface xut hin, nhp OK.

Access Point of the Application:IE3IAccess Path IMicros -> PC/PPI cabled! [Standard for Micro/WIN)Interface Parameter Assignment Used:

PC/PPI cable(PPI)Properties...

3S9 < N one>E PC/PPI cable(PPI)E TCP/IP -> NdisWanlpEfa) TCP/IP -> VIA Compatable Fast Et[Assigning Parameters to an PC/PPI cable for an PPI Network)Copy.1

Add/R emove:Select...

OK 1^. jCancelIHelp

Hp thoi Install Shield Wizard xut hin, nhp Finish kt thc qu trnh ci t.

2.2 Cch s dng S7-200 PC Access :2.2.1 To s kt ni cho mt PLC :Trong S7-200 PC Access vi tr gip OPC bao gm 3 bin i tng : PLC Folder ( khng cn thit) ItemKhi to mt d n mi, vic kt ni PLC phi c lm trc vi hai bc saua. Thit lp cu hnh giao tip :Khi ng S7-200 PC Access, t thanh Taskbar chn Start > Simatic > S7-200 PC Access.Trang: 12

Lun Vn Tt NghipTrang: 14


M mt d n mi, chn File > New, ca so Unititled- S7-200 PC Access xut hin.2 Untitled - S7-200 PC Access

Nhp phi vo Microwin chn PG/PC Interface..1 El 5h1 Project1 NameAddress 1 [|

1JjM what's New

ama. MicroWinCCOMCutctrl+x

Copyctrl+c

Pastectrl+v

New PLC...

Modem

PG/PC Interface...

Ca s Set PG/PC Interface xut hin .Set PG/PC InterfaceIXAccess Path IAccess Point of the Application:1 M CIOAVI N ~> PC/PPI cable(PPI 1zJ

[Standard for Micro/WIN)

Interface Parameter Assignment Used:

.PC/PPI cable(PPI)Properties..1

ISO Ind. Ethernet -> Inlel(R) Wireles

9 ISO Ind. Ethernet -> Realtek RTL81Copy...1

SES PC/PPI cable(PPI)1

< >

(Assigning Parameters lo an PC/PPI cable

for an PPI Network]

Add/R emove:Select...1

OK ICancelIHelp

Nhp chn PC/PPI cable(PPI), ri chn Properties, xut hin hp thoi Properties - PC/PPI cable.

mPPI I Local Connection I Station ParametersAddess:[M-y-jTimeout:[73Network Parameters I Advanced PPIi Multiple Master Network Transmission Rate:Highest Station Address:Properties - PC/PPI cable(PPI)I 9.6 kbps331]

OKDefaultCancelHelpChn a ch v tc truyn cho S7-200 PC Access , thng thng mc nh nh trn, mc Local connection chn cng COM cn kt ni vi PLC. Sau nhn Ok chp nhn.Properties - PC/PPI cable(PPI)

b. Thit lp cu hnh mi cho mt PLC :Trn ca s lm vic ca S7-200 PC Access, nhp phi Microwin chn New PLC.r~ Untitled - S7-200 PC AccessFile Edit View Status Tools Help

ra!';i r X m PS

H 0- Project1 NameAddress

I?) What's New

.1S.IUBECut ctrl+x

Copy ctrl+c

Paste ctrl+v

New PLC...

Modem

PG/PC Interface...

Lun Vn Tt NghipTrang: 17Ca s PLC Properties xut hin, mc Name nhp vo tn PLC cn lm vic, y chn tn PLC1.Lun Vn Tt NghipTrang: 15


PLC PropertiesGeneralName:Network Address:PLC1[23Range (1..126)

CancelOK

mc Netwok Address cn phi chn con s ph hp vi a ch cu hnh ca PLC trong d n Step 7 -Micro/Win, thng thng i vi S7-200 th mc nh vi s 2.2.2.2 To mc Item :Nhp phi vo mc PLC1 chn New, ri chn item.~ Untitled - S7-200 PC AccessFile Edit View Status Tools HelpD a; aI. p X El gE- ProjectAddress

What's NewNewQFolder

Delete PLC1 Item... j|

CutCopyPastectrl+xctrl+cctrl+vRenameProperties

Hp thoi Item properties xut hin, mc Name nhp tn theo d n to S7-200, mc Address nhp a ch vng nh, ng vo ng ra ph hp vi d n m ta thit lp trn S7-200, sau nhp ok chp nhn. C th s c trnh by chng 4.Item PropertiesSymbolic NameIN ewl Iem2MicroV/in.PLCI .Ncwllem

Memory Location Address:I Read/WritIINT

Data Type:

Enoineerino Units High:[ 0000000Low:10.0000000Description Comment:Lun Vn Tt NghipTrang: 18Sau khi nhn Ok ta c kt qu sau, tng t ta to thm nhiu Item khc.r Untitled - S7-200 PC AccessFile Edit View Status Tools Help

D t 0

B'fkj ProjectName1 Address1 Data Type1 Access1 Comment

0 What's NewiNewItemlVBOBYTERW

.5. MicroWin(COM3) 0 PLC1,0 Newltem2MWOINTRW

Sau nhp chut chn cc item va to ri ko r th vo vng Test Client.S Untitled - S7-200 PC AccessFile Edit View Status Tools HelpE ifckj Project1 Name1 Address1 Data Type1 AccessI Comment

El What's New

L^NewItemlVBOBYTERW

E) - MicroWin(COM3) n=lJNewItem2MWOINTRW

1' ' 1

Test Client

Item ID1 Value! Time Stamp1 Quality

Q Micr oWin . PLC 1. Newltem 1-07:00:00:000Bad

MicroWin.PLCl .Newltem2-07:00:00:000Bad

2.2.3Chy th, kim tra :Nhp chn Status > Start test Client.PLSP2.pca - S7-200 PC AccessFile Edit View1 Tools Help

D0 ;Start Test client.meV'.'h

- Ik PLSP2 What'sModem PG/PC Interface..,

Neu thy ct Qualty chuyn t Bad sang Good l vic kt ni thnh cng.3. Khi qut v ng c bc:Trong h thng t ng v trong my tnh in t ngy cng s dng rng ri h thng truyn ng ri rc.Cc h thng truyn ng ri rc ny thc hin nh loi ng c chp hnh c bit gi l ng c bc. ng c bc thng l ng c ng b dng ph bin cc tn hiu iu khin d dng cc xung in p thnh cc chuyn ng gc quay hoc chuyn ng ca rotor v c kh nng c nh rotor vo nhng v tr cn thit.ng c bc lm vic c nh c b chuyn mch in t, a tn hiu iu khin vo cc cun dy stator, theo mt th t v mt tn s nht nh. Tng s gc quay ca rotor tng ng vi s ln chuyn mch, cng nh chiu quay v tc quay ca rotor, ph thuc vo th t chuyn v tn s chuyn i.3.1 Phn loi v cu tong c bc c bn c chia lm 3 loi: ng c bc nam chm vnh cu. ng c bc bin tr t ng c bc laing c bc nam chm vnh cu c bn gm 3 lai: ng c bc n cc ng c bc lng cc ng c bc nhiu pha3.2 ng c bc nam chm vnh cu3.2.1 ng CO bc on cc:

Lun Vn Tt NghipTrang:20STEP loi n cc bao gm 2 cun dy, mi cun c ni ra ngoi gia cun, v vy thng thng trn thc t y l loi ng c 5 hoc 6 dy ra, STEP loi ny c iu khin bng cch cho u dy chung ni ln ngun v tng u dy cn li ln lt c ni mass .,Coii 4 Coil 3CommonCoil 2Coil 1ng c bc n cc c 5 ng ra: trong c 4 u dy CO11--CO14 dng iu khin cn u dy common dng ni ngun cung cp. K hiu cc mu dy theo qui nh nh hnh di :

I Black +12v Common I Red Coill Broun Con 3 I Green Coil 2 I White Coil ng c bc n cc c 6 ng ra: trong c 4 u dy coill-H:oil4 dng iu khin, 2 u dy cn li chnh l dy common c tch ra lm 2, khi dng phi ni c 2 vi ngun cung cp. Hai dy common ny c cng mu.3.2.2 ng CO' bc lng cc:la olb2ao 2b


ng c loi lng cc (Bipolar), thng c 4 u ra. v cu to n gin hn nhng kh cho iu khin v phi o chiu dng in qua cun dy a,b.Mt loi ng c bc nam chm vnh cu t thng dng hn l ng c bc c tt c cc cun dy c ni tip vi nhau thnh vng kn v gia mi cp dy c mt im gia gi l ng c bc nhiu pha hay a cc. Kiu thng dng nht l kiu 3 pha v 5 pha3.3 ng CO bc lai:Lun Vn Tt Nghip3.2.3 ng c bc nhiu pha:1

STEP lai l loi kt hp gia STEP t thng thay i v loi nam chm vnh cu. Roto cho ng c STEP lai c nhiu rng , ging nh loi t thng thay i, cha li t ha trn ng tm xoay quanh trc ca n. Rng ca rotor to ng dn gip nh hng cho t thng un tin vo trong l khng kh. STEP lai c li ging nh STEP n cc v lng cc.3.4 ng c bin t tr:11 o2_TT3\

2 oo c(p(voY)j

3 o\ 3^2 /

1Thng thng c ba hoc bn cun dy u chung mt u. u chung c ni vi ngun dng, cc u cn li ln lt cho thng vi t quay rotor.Trn hnh v, rotor c 4 rng v stator c 6 cc. Mi cun dy s c qun trn hai cc i nhau. V vy, gi s, khi cp in cho cc 1 (stator), rotor s quay cc gn nht (X) rng thng vi cc 1. ct in cun s 1, tip tc cp in cho cun 2, rotor s quay rng tip sau (Y) cho thng vi cc 2. C nh vy iu khin quay rotor.3.5 Nguyn l hot ng CO bn ca ng CO bc: ng c bc hot ng da trn vic cp xung ,n khng c b chuyn mch bn trong nn tt c mch o phi c iu khin bn ngoi bng b iu khin. Ti mi thi im s ch c mt hay hai cun dy c in(ty vo phng php iu khin l y bc hay na bc).Khi trng thi cp xung thay i th s sinh ra moment xon v s lm cho roto quay. iu khin chiu quay ng c :thay i th t cp xung ,gi s ng c ang bc th 8 ta cp xung cho bc th 7 th lc n s quay ngc li. iu khin tc :thay i rng xung v tn s xung .n99V =(vng /giy)t360360KTrong :V: vn tc trung bnh ca ng c bc, (vng/giy) n: s ln dch bc.t: thi gian ng c thc hin n ln dch bc, (giy)9: gc bc ca ng c () f : tn s dch bc.Trang:22



3.6 Cc phong php iu khin ng CO bc.Lun Vn Tt NghipTrang:23 iu khin bc iu khin na bc iu khin vi bc3.6.1 iu khin bc:a. Mt pha:Ti mi thi im ch c 1 mu c cp in.step1a1b2a2b

11000

20100

30010

40001

b. Hai pha:Ti mi thi im s c 2 mu c cD in.step1a1b2a2b

11001

21100

30110

40011

3.6.2 iu khin na bc:Khi khng c phn no ca mch t bo ha, th vic cp in ng thi cho hai mu ng c s sinh ra mt moment xon theo v tr l tng ca cc moment xon i vi hai mu ng c ring l. i vi ng c hai mu nam chm vnh cu hoc hn hp, hai ng cong ny s l s radians khc pha, v nu dng qua hai mu bng nhau, nh ca tng s nm v tr s/2 radians k t nh ca ng cong gc, nh hnh di

y l c bn ca iu khin na bc. Moment xon gi l nh ca ng cong moment xon kt hp khi hai mu c cng dng ln nht i qua. i vi ng c nam chm vnh cu v hn hp thng thng, moment xon gi hai mus l:h2 = (2A0.5)hlTrong :hi - moment xongi trn mt muh2 - moment xongi hai muiu ny cho thy rng khng c phn no trong mch t' bo ho v moment xon theo ng cong v tr i vi mi mu l hnh sin l tng. Hu ht cc bng hng dn ng c nam chm vnh cu v bin t tr u ch ra moment xon gi hai mu m khng c a ra moment xon gi trn mt mu.Neu bt k phn no trong mch t ca ng c b bo ho, hai ng cong moment xon s khng th cng tuyn tnh vi nhau.Ketqul moment tng hpc th khng nm chnh xc tiv tr S/2 k t v tr cn bng ban u.3.6.3 iu khin v bc:Cho php cc bc nh hn bng vic dng cc dng khc nhau qua hai mu ng c, nh hnh v di:

i vi mt ng c hai mu bin t tr hoc nam chm vnh cu, cho rng cc mch t khng bo ho v cc ng cong moment xon trn mi mu theo v tr l mt hnh sin hon ho, cng thc di y a ra nhng c tnh ch cht ca ng cong moment xon tng hp:h = ( a2 + b2 )0.5 X = ( s / ( /2) ) arctan( b / a )Trong :a - moment xon p trn mu vi v tr cn bng ti 0 radians b - moment xon p trn mu vi v tr cn bng ti s radians h - moment xon gi tng hp X - v tr cn bng tnh theo radians s - gc bc, tnh theo radians.Khi khng c bo ho, cc moment xon a v b t l vi dng i qua cc mu tng ng. iu ny rt thng dng khi lm vic vi cc dng v moment xon bnh thng, moment xon gi mu n hoc dng cc i c chp nhn trong mt mu ng c l 1.0.

4. Gi thiu tng quan v WINCC4.1 To mt n mi trong WinCCTo d n l bc u tin trc khi tin hnh thit k iu khin mt i tng c th. Phn ny gii thiu nhng t tnh c bn ca WinCC ( windows control center ), cung cap mt cch tng quan v cc bc son tho mt d n trong wincc 6.0.e son tho mt d n ( project) trong Wincc tin hnh thc hin theo cc bc : To mt d n ( project) mi trong Wincc. Chn PLC hoc DRIVERS t Tag Management. To cc bin ni (Internal). To hnhnh t' ca s giao dinGraphicsDesigner. Thitlpcc thuc tnh ca hnhnh cto t'Graphics Designer. Thitlpmi trng thi gian thc hin. Chymphng.4.1.1 To d n ( project) mi.u tin khi ng chng trnh WinCC 6.0 bng cch: T thanh Taskbar, chn Start > Simatic > WinCC > Windows Control Center 6.0.Hp thoi WinCC Explorer xut hin, trong khung Create a New Project c 3 la chn:

Neu chn Single-User Project hoc Multi-User Project phi nhp tn d n. m mt d n c san chn Open an Existing Project sau tim n tp tin c ui .mcp.D n ny c thc hin trn my n khng c ni mng, chn mc Single-User Project. Sau , nhp OK chp nhn.Hp thoi Create a new Project xut hin, t tn cho d n trong khung Project Name.Trong khung Project Path, chn 0 a v th mc lu d n. Tip tc nhp nt Create to d n.Ca s mn hnh son tho WinCC Explorer xut hin nh hnh di:Create a new project



Folder:[Baitapl 3](CAC PHAN MEM] [chuong trinh pic]IDICH KETNOI] [Documents and Settings] [pci $7-200][vidu]New Subfolder:

WinCCExplorer - D:\vidu\vidu.MCPFile Edit View Tools HelpD a v>sIfV

Name1 Type

j! ComputerComputer

!ffl Tag ManagementTag Management

|r: Structure tagStructures

|!f Graphics DesignerEditor

y| Alarm LoggingEditor

JJ Tag LoggingEditor

^Report DesignerEditor

rit Global ScriptEditor

^TextUbraryEditor

St User AdministratorEditor

5 Cross-ReferenceEditor

A Load Online ChangesEditor

4.1.2 Chn PLC hoc Drivers t Tag Management:I Computer |!|!j Tag Management fi-. Structure tag -*j- Graphics Designer ij Alarm Logging JJ Tag Logging ^ Report Designer J Global Script 0 Text Library Ij! User Administrator 0 Cross-Reference A Load Online Changes thit lp kt ni truyn thng gia Wincc vi thit b cp di cn c mt mng lin kt chng vi nhau trong vic trao i d liu. Do , cn chn mt Driver.Driver : L giao din lin kt gia Wincc v PLCLun Vn Tt NghipTrang:28Trong ca s son tho, nhp chut phi vo mc Tag Management t trnh n s xung chn Add New Driver .WinCCExplorer - D:\vidu\vidu.MCP

1 File Edit View Tools Help

& % % 7: !:m & w

B viduName1 Type

jjJ Computerm iih i ii i Mi^Internal tags|opcInternal tagsWinCC Communication Driver(s)

iV GraP Find...

JJ Tag Properties ^ Report Designer Global Script 6] Text Library fj) User Administrator 5 Cross-Reference A Load OnSne Changes

Hp thoi Add New Driver xut hin, cho php chn mng kt ni gia WinCC v PLC . Tu theo tng loi PLC m ta chn mng kt ni cho ph hp.4.1.3 To bin: to kt ni cc thit b trn mt d n trong WinCC, trc tin phi to cc Tags ( bin ) trn WinCC. Bin c to di Tag Management.Bin gm c bin ni v bin ngoi: Bin ni ( Internal ): L bin c sn trong WinCC. Nhng bin ni ny l nhng vng nh trong ca WinCC, c chc nng nh mt PLC thc s. Bin ngoi ( External): L bin qu trnh, phn nh thng tin a ch ca h thng PLC khc nhau. Cc Tags c th c lu trong b nh PLC hoc trn cc thit b khc. Wincc kt ni vi PLC thng qua cc Tags. To nhng nhm bin ( Groups ) thit b: khi d n c mt khi lng ln d liu vi nhiu bin, c th nhm cc bin ny thnh mt nhm bin thch hp theo ng qui cch. Nhm bin l nhng cu trc bn di s lin kt PLC, c th to nhiu nhm bin v nhiu bin trong mi nhm bin nu cn.a. To cc bin ni :Cc bin ni d dng c to v sau c gn vo mt PLC tht. Cc bin ny c nhim v x l v gim st qu trnh hot ng cng nh vn hnh.To bin ni bng cch nhp phi vo Internal Tag, chn New Tag...

Hp thoi Tag Properties xut hin, t tn bin v chn d liu cho ph hp vi mi kiu thit b. V d : Neu bin l ng c chn d liu Binary Tag. Neu bin l bn nc chn d liu Unsigned 8-bit Value.Tag properties[xjGeneral j Limits/Reporting jProperties of T ags

Name:dcbangtai

DataType:Binary Tag

Length:Binary Tag

Signed 8-bit value

Address:

Signed 1 G-bit value

Adapt format:Unsigned 1 G-bit value

Signed 32-bit value

(* Project-wide updaUnsigned 32-bit value

Floating-point number 32-bit IEEE 754

Trong hp thoi Tag Properties , bin c nhiu kiu d liu khc nhau nh: Banary Tag: kiu nh phn. Unsigned 8-bit value: kiu nguyn 8 bit khng du. Signed 8-bit value: kiu nguyn 8 bit c du Unsigned 16-bit value: kiu nguyn 16 bit khng du. Signed 16-bit value: kiu nguyn 16 bit c du. Unsigned 32-bit value: kiu nguyn 32 bit khng du. Signed 32-bit value: kiu nguyn 32 bit c du. Floating Point Number 32 bit IEEE 754: kiu so thc 32 bit theo tiu chun IEEE 754. Floating Point Number 64 bit IEEE 754: kiu so thc 64 bit theo tiu chun IEEE 754. Text Tag 8 bit character set: kieu k t 8 bit. Text Tag 16 bit character set: kieu k t 16 bit. Raw Data Type: kiu d liu th.Bin c th di chuyn t nhm bin ny sangnhm bin khcbng cchnhp phi vo bin cn di chuyn t menu s xungchn Cutv gnvo nhmbin cn gn.b. To cc bin qu trnh:

to bin qu trnh nhp phi vo mc PLC1 chn New Tag.SU Computt-I !|!|m Computer I !| II Tag Management -f- V Internal tags SIMA TIC S7 PROTOCOL SUIT r=i u rv-iRiODBPF

rslew Motor hoc Siemens HMI Symbol Library 1.3 > Motor hoc Symbol > Motor. Nhp chn Motor ph hp v a ra giao din thit k. Library D:\thu\0

&\ !%| |x|111

] ISA SymbolsName 1Size1 Last Change ^

] Maps and Flags-IMWli886822.08.02 22:35

] Material HandlingCa-Motor 10653022.08.02 22:35

] Misc. PipesO Motor 11427222.08.02 22:35

J Misc. Symbols 1Motor 12501422.08.02 22:35

] Misc. Symbols 2Motor 13328422.08.02 22:35

] Mixers03 Motor 14216022.08.02 22:35

j MotorsOSMotor 15301822.08.02 22:35

J NatureJ Operator InterfaceA- Motor 16407022.08.02 22:35

J Panels Motor 17330022.08.02 22:35

J Pipes-* Motor 18330422.08.02 22:35

] Plant Facilities vMotor 19260422.08.02 22:35 v

>

Sp xp cc hnh nh ta c giao din thit k nh hnh di.4.1.5 To thuc tnh cho i tng:



e to thuc tnh cho nt nhn Start, bng cch nhp phi vo nt nhn Start chn Properties nh hnh : Mouse > Press Left sau nhp phi vo du mi tn chn C-Action hp thoi Edit Action xut hin nh hnh. r(lit Action

l&lEl xl HH SSl:ahVl%t|M| Event Name:

Project functions l r~j standard functions [ 3 Internal furxtions#include "apdefap.h"void OnLButionDown(char* IpszPictureName, ctiar* IpszObj|VWINCC:TAGNAME_SECTION_START //syntax: #define TagNamelnAction 'DMTagName" //nextTagID : 1//WINCC:TAGNAME_SECTION_END// WINCC PICNAME_SECTION_START // syntox #define PicNamelnAction "PictureNome"// next PicID 1//WINCC PICNAME_SECTION_END v Tag > Set. Sau nhp p vo SetTagbit hp thoi Assigning Parameters xut hin nh hnh.Assigning ParametersppjfxjFunction Name: SeagBitDescriptionData TypeValue

Tag_NameTagTag Name

valueshort intvalue

OK j Cancel

Ta nhp vo hng Tag-Name ri nhp vo nt vung chn Tag Selection.Assigning ParametersFunction Name: SetTagBitDescriptionData TypeValue

Tag_NameTagmHTq_Nne

valueshort intTag selection

Graphic objects

Pictures

OK I Cancel IHp thoai Tags- project xut hin chn Start sau nhp OK.Tags - Project: D:\thu\thu.MCP- WnCC TagsNameParameter1 Last modifie.

1+] 1 List of al tags LdonqcoBinary TagAO.O6/23/2009 4

|+: 1 Internal tags-finiBinary TagMO.O6/23/2009 4

5IMATIC 57 PROTOCOL SUITJjstopBinary TagMO. 16/23/2009 4

4Industrial Ethernet

Industrial Ethernet (II)

1MPIW* PLC1

11Named Connections

PROFIBUS

fPROFIBUS (II)

St)ISlot PLC

Soft PLC

1TCP/IP

< >< >

OKCanedHdp

Tr li hp thoi Assigning Parameters nt nhn Start c chn, hng Value t gi tr l 1 ct Value. Sau nhp OK chp nhn.Assigning ParametersFunction Name: SetTagBitDescriptionData TypeValue

Tag NameTag"start"

valueshort int|lu

OK I Cancel ILun Vn Tt NghipTrang: 3 5

Lc ny trn hp thoi Edit Action xut hin Tag Start mang gi tr 1 tip theo nhp p vo SetTagBit lin kt thm Tag na cho nt nhn Start.

r' IiIk I ~r~ I I I Event Name: IJJ [ X. % a V X

{SetTagBitf start'M),//Return-Type: BOOLI StTgByt I SebTogChar SetTagDouble SetTaaDWord SetTagFloat I SetTaaRaw I SetTaSByte I SetTagSDWord I SeLTaySWord I SebTaqVaue

n W1NCC.TAGNAMESECTI0N_START // syntax: #define TagNamelnAction "DMT&gName" // next TagID : 1//WlNCC:TAGNAME_SECTION_E ND// W!NCC:P1CNAME_SECTION_START // syntax: ^define PicNamelnAction "PictureName" n next PicID : 1

L SetTaoBit (Tag Tag_Name, short nt value);Lun Vn Tt NghipTrang:37Hp thoi Assigning Parameters xut hin, tng t ti dng Tag Name, chn tag Stop v gn gi tr 0 cho tag ny.Assigning ParametersFunction Name: SetTagBitDescriptionData TypeValue

Tag NameTag''stop"

valueshort int101u

Khi trong hp thoi Edit Action xut hin thm Tag Stop v mang gi tr 0, nhp OK. Bng thng bo xut hin, chn Yes ng i m ngun.B-jrj set rfj state wait#include "apdefap.h"void On!_ButtonDown(char* IpszPictureName, char* IpszObj {

SetTagBitSetTagByteSstTagBit("stop".0). //Return-Type: BOOL |SetTagBct("start".l); //Return-Type: BOOL

ill SetTagChar SetTagDoubleWarning!ime"

21 SetTagDWord SetTagFloat ^ SetTagRaw SetTagSBytefrThe source code was changed I \ without recompiling! Recompile now?ie"

K-j Set TagSD Word jj| SetTagSWord is SetTaqValue vYes | No j Cancel |

n

Dynamic va I ue rangesEvent rmeE xpression/F ormulaResult of the Expression/FormulaUp to Blink..No FlashirFunction Operator . . AnalogBooleanBitDirectAdd...

Evaluate Status of TaqsCa so Tags-project xut hin, nhp p chn Tag ng c.Lun Vn Tt NghipTrang:39Tr li hp thoi Dynamic Value Ranges, nhp ty chn Boolean. Sau nhp p vo No Flashing cng hng Yes/True, ri chn Apply.r?ir*n

Dynamic value rangeEvent name

|T ag

E xpression/F ormula

I 'dongco'

Result of the Expression/Formula

Vlid range No/FALSE

Evaluate stalus of Tags4.1.6 Chy ng dng :e xem ng dng thit k chy nh th no, nhp chn nt Runtime trn thanh cng c ca Graphics Designer hoc nt Activate trn ca s WinCCExplorer:Sau vi giy s thy hnh nh nh hnh:

Chy m phng ng dng hot cnh:Neu khng c mt PLC kt ni vn hnh, c th dng Simulator chy m phng ni dung thit k. Simulator hin th nhng hot ng ca hnh nh trong thi gian thc thi file nh .Khi ng Simulator t thanh Taskbar, nhp chn Start > Simatic > WinCC > Tools > WinCC Tag Simulator.Hp thoi Simulator xut hin nh hnh :[XI Helpm Emulation for WinCCTProperties^WinCC - ProjectWPH o N G -1E 989766D \WinCC60_ProjecM-amlhu\lamthu. M CPWinCC Runtime Projcct dcoctivatcd !CycleT ime in ms:CycleT meLun Vn Tt NghipTrang:40Nhp chn Edit > New Tag hin th bin. Hp thoi Tags-project...xut hin. Trn hp thoi, chn bin hin th.V d : chn bin ng c .mTags - Project: D:\thu\thu.MCPf? >

ja) jsrj jjfgfjgDala soutce:Fine.: \i _jJ

@WinCC T ags

+ ]L List of al tags I J. Internal tags ^ Script 1$ ^ TagLoggingRt - JJ. SIMATIC S? PROTOCCH. S + H Industrial Ethernet 1+ Industrial Ethernet (II 1 MPI E KJ* P*-C1 ffi Named Connections ffl fl PR OF I BUS 1+ 11 PROFIBUS (II)1+ Slot PLC Soft PLC v< jName | Type | Parameter | Last modlflc-

Binary Tag AO.O 6/23/2009 4 3start Binary Tag MO.O 6/23/20091 ~istoo Binary Tag M0.1 6/23/2009 4 < >

OK 1 Cancel 1 Help 1

Tip tc nhp chn Tab Inc. Trong khung Start Value, t gi tr bt u hin th l 0. Trong khung Stop Value, t gi tr kt thc mt chu trnh hot ng l 100. nh du kim mc Active nh hnh:83 Simulation[I*xIFile Edit HelpTag Simulation for WinCCList of T agsProperties

Tag jdongco

Sine Oscillation Random Inc ^ Dec Slider

!** Start Value

Stop Value

active*

Sau , nhp chn tab List Of Tags.Dim55 Simulation



File Edit HelpTag Simulation for WinCC tLis of TagsWinCC - ProjectProperties

WPH o N G -1E 989766D \WinCC60_Project_thu\-!IN3 L29VIN4 L29VEN L298>-

VCCIVCC2

vcc 5V GND

LD>

ritterille

SizeA>icciADoiuSicttereljfeN umber >?ev

Source Saturation Voltagelj_ = 1A ll =2A0.951.3521.727VV

VcEt(L)Sink Saturation VoltagelL = 1A (5)0.851.2171.62.3VV

VcEtttTotal DropI- = 1A (5) L=2A (5)1.803.24.9VV

v*n.Sensing Voltage (pins 1,15)-1 (1)2V

SymbolParameterTest ConditionsMin.Typ.Max.Unit

Ti (V.) !Source Currert Turn-off Delay0.5 V to0.9li(2); (4)1.5us

t2 (v;Source Current Fall Time0.9 lu to0.11.(2); (4)0.2IIS

3 (V !Source Current Turn-on Delay0.5 V to 0.1k(2); (4)2us

T.iv:Source Currert Rise Time0.1 II to 0.9 L(2); (4)0.7us

Ts (V )Sink Current Turn-off Delay0.5 V to 0.9II(3); (4)0.7us

T* (V)Sink Currert Fall Time0.9 lL to 0.1 lL(3); (4)0.25us

T7 (V )Sink Current Turn-on Delay0.5 V to 0.9II(3); (4)1.6us

Ta (V)Sink Current Rise Time0.1 L to 0.9 L(3); (4)0.2us

fc (V)Commutation FrequencylL = 2A2540KHz

T- iv*-::Source Currert Turn-off Delay0.5 V,., to 0.91.(2); (4)3us

2 (Ver)Source Currert Fall Time0.9 lL to 0.1 L(2); (4)1us

t3 (V*,)Source Currert Turn-on Delay0.5 V to 0.1 1(2); (4)0.3US

4 in(3); (4)0.25US

Ta (V*)Sink Currert Rise Time0.1 lL to 0.9 L(3); (4)0.1us

1) IJSansrigvotaga :an ba-1 V forts 50 ^sar; in steady state V*- mins -0.5 V.2) Sea fg.2.3) Sea fig.4.4) The >Dad must ba a pure resistor.

Figure 1 : Typical Saturation Voltage vs. Output Current.*- 41

00.4OB1J1.62JO2.4 Io(A>.Figure 2 : Switching Times Test Circuits.*5*2V

Note : For INPUT Swrtchirg, sst EN = H For ENABLESwitching set IN = H

Lun Vn Tt NghipFigure 3 : Source Current Delay Times vs. Input or Enable Switching.

VSS5V

NotB : For INPUT Switching, sat EN = H For ENABLE Switch!ng. Eat IN = LFigure 5 : Sink Current Delay Times vs. Input 0 V Enable Switching.

L298 co the lam viec voi nguon cong suat(Vccl) len den 50V,va nguon logie(Vce2) den 7V,dong tai toi da eho moi kenh la 2A,va eo the len den 4A neu dau song song 2 kenh lai voi nhau.1.2.2 IC ULN 2803

Luan Van Tot NghiepTrang:56



; -' - *T3Cl E d Gnd I 9WmmmmniEnlA SUFFIXPLASTIC PACKAGE CASE 707

a. Tc dng ca cc chn ICChn 1 n 8Ng vo

Chn 18 n 11Ng ra

Chn 9Ground

Chn 10Chn chung v c ni ln ngun dng

+ Thng s lm vic ln nht:RatingSymbolValueUnit

Output VoltageVo I50V

Input Voltage (Except ULN2801)V|30V

Collector Current - Continuous'C500mA

Base Current - Continuous>B25mA

Operating Ambient Temperature RangeTa I0 to +70c

Storage Temperature RangeTstg-55 to +150c

Junction TemperatureTj125c

DeviceCharacteristics

InputCompatibilityVCE(Max)/lC(Max)OperatingTemperatureRange

+ c tnh in:CharacteristicSymbolMinTypMaxUnit

Output Leakage Current (Figure 1)ICEXuA

(Vo = 50 V. Ta = +705C)An Typ-es--100

(V0 = 50 V, Ta = +25= C)All Types--50

(V0 = 50 V. TA = +70=C, V, = 6.0 V)ULN2802--500

(V0 = 50 V, TA = *70C, V| = 1.0 V)ULN2804--500

CollectorEa-*inar Saturation Voltage [Figure 2)vCE(satiV

(Iq = 350 mA, Iq = 500 uA)All Types-1.11.6

(|0 = 200 mA. Iq = 350 uA)All Typs-0.951.3

(lc = 100 mA. Ib = 250 uA)All Types-0.851.1

Input Current-On Condition (Figure 4)h(on)mA

(V, = 17V)ULN2802-0.821.25

(V| = 3.85 V)ULN2803-0.931.35

(V| = 5.0 V)ULN2804-0.350.5

(V| = 12 V)ULN2804-1.01.45

Input Voltage - On Condition (Figure 5)vKon)V

(VCes2.0V, IC = 300 mA)ULN2802--13

(Vce = 2.0 V, lc = 200 mA)ULN2803--24

(VCE = 2.0 V, lc = 250 mA)ULN2803--2.7

(Vce = 2.0 V, lc = 300 mA)ULN2803--3.0

(Vqe 2.0 V, Iq = 125 mA)ULN28Q4--5.0

(VCE = 2.0 V, lc = 200 mA)ULN2804--6.0

(VCE - 2.0 V, lc = 275 mA)ULN2804--7.0

(Vce = 2.0 V, lc = 350 mA)ULN2804--8.0

Input Current - Off Condition (Figure 3)All Typesh(off)50100-uA

(IC = 500 .uA, Ta = +70SC)

DC Current Gam (Figure 2)ULN2801hFE1CCC---

(VCE = 2.0 V, lc = 350 mA)

Input CapacitanceC|-1525pF

Turn-On Delay Time*on-0.251.0us

(50% E| to 50% Eo)

Turn-Off Delay Time*off-0.251.0us

(50% E| to 50% E0)

Clamp Diode Leakage Current (Figure 6)TA = +25=c|R--50uA

(Vr = 50 V)TA = +70=c100

Clamp Diode Forward Voltage (Figure 7)Vf-1.52.0V

(Ip = 350 mA)

Lun Van Tt NghipTrang:58

Lun Vn Tot NghiepTrang:60


STYLE 1 PLASTIC

STANDARD THRU HOLE CASE 730A-041.2.3 OPTO 4n35:

PIN 1.LED ANODE

2.LED CATHODE

3.N.C.

4.EMITTER

5COLLECTOR

6.BASE

a. Thong so lam viecRatingSymbolValueUnit

INPUT LED

Reverse VoltageVr6Volts

Forward Current ContinuousIf60mA

LED Power Dissipation @ T/\ = 25=CPd120mW

with Negligible Power in Output Detector

Derate above 25=C1.41mW/=C

OUTPUT TRANSISTOR

Collector-Emitter VoltagevCEO30Volts

Emitter-Base VoltageVEBO7Volts

Collector-Base VoltageVCBO70Volts

Collector Current Continuous'C150mA

Detector Power Dissipation @ Ta = 25=CPD150mW

with Negligible Power in Input LED

Derate above 25=C1.76mW/=C

TOTAL DEVICE

Isolation Source Voltage^)(Peak ac Voltage. 60 Hz, 1 sec Duration)vlSO7500Vac(pk)

Total Device Power Dissipation @ T^= 25=CPd250mW

Derate above 255C2.94mW/=C

Ambient Operating Temperature Range(^)Ta-55 to +100c

Storage Temperature Range(2)CD-55 to +150C

Soldering Temperature (10 sec. 1/16" from case)Tl260C

b. c tnh inCharacteristicSymbolMinTyp11MaxUnit

INPUT LED

forward Voltage (Ip = 10 mA)Ta = 25=cVf0.81.151.5V

TA=-55=C0.91.31.7

Ta = 100*00.71.051.4

Reverse Leakage Current (Vr = 6 V)*R-10uA

CTR(current transfer ratio)=(Ic/f)*100%c. Kim tra dng inVCC=10V

d. Dng sng

IMPTPU.SEOTPTPULSE

e. Thi gian chuyn mch ch ON

0.10.20 5 0.7 125710205070100Ip, -EDlNPUT CURRENT {tA'i

lp -EDINPT CRRENT(mA)f. Thi gian ch OFFchuyn mch

g. c tnh V-A ng vo

'F..ED FCRWARD CURRENT:k)

h. c tnh A-A

1.3 Hot ng ca mch Tn hiu iu khin t PLC c a n khi iu khin cng sut thng qua b cch ly quang.B cch ly gm opto 4n35 v uln 2803;tn hiu ng ra optob o nn cn b m o uln 2803 tn hiu sau b cch ly khng b o so vi tn hiu vo. Khi cng sut l 2 IC L298,mi IC gm 2 mch cu H ,c 4 knh c ghp ni li thnh 2 knh c th chu c dng ti a 4A;2 IC s c 4 knh iu khin 4 pha ca ng c.u dy chung ca ng c c ni xung mass. Cc diode DI n D4 loi 1N4448 c nhim v bo v cho cc transistor cng sut ca mch cu H bn trong IC L298 . Cc ch iu khin ng c:1.3.1 iu khin na bcSTEP4321

BI0001

B20011

B30010

B40110

B50100

B61100

B71000

B81001

a. Gin xung

c.\ Period 1 6.30II1c 1 F req6 I .3335 Hz


Lun Vn Tt NghipTrang: 63

aian Van Tot NsliepTrane:61

B10001

B20010

B30100

B41000

b. Gian do xung

2. So* do ket noi PLCLun Vn Tt NghipTrang: 3 5


2.1 So do ket noi mach dieu khienSTART_LSTOP I24VDC

2.2 Khai bo thit b ng vo raTn binChc nng

10.0Nt nhn Start khi ng h thng.

10.1Nt nhn Stop dng h thng.

10.2Nt nhn Reset b m

QO.OCh t gi h thng

Q0.1iu khin 1 ca ng c bc


Q0.3u khin 3 ca ng c bc


Q0.5iu khin ng c ct giy

2.3 Chng trnh PLC

Sau khi thit k mch iu khin xong, ta kim tra li ( plc > compile khi gc tri pha di mn hnh c ch 0 errors l c), ri lun li vi tn DONGCOBUOC, tip theo tin hnh m phng kim tra hot ng ca mch.Trc tin ta cn chn loi CPU m ta cn kt ni m phng : t' bn tri ca ca s thit k nhp phi vo tn DONGCOBUOC m ta va lu chn Type > PLC Type > CPU 226CN > ok.EP 7-Micro/WIN - chuong trinh dong co buoc:ile Edit View PLC Debug Tools Windows HelpiQiBI0f::TEP,R9G3'i&&Lun Vn Tt NghpTrang: 68

Trang: #

Trang: 69

t.. ?..., Ji A %%%2?1- _t - -* H h simatic > S7- 200 PC Access vl.0.0.56 > S7-200 PC Access, ca s Unitiled xut hin, nhp phi vo MicroWin chn New PLCXut hin hp hi thoi, mc Name nhp vo S7-200 ri chn ok

PLC Properties

Sau nhp phi vo S7-200 chn New > item ^ MicroWin(COM3)

EiaFoctrl+x1

Copyctrl+c

Pastectrl+v

New 1Folder

Delete PLCItem... Igggl

Rename

Properties1L_

Hp thoi item xut hin, mc Name nhp vo start, mc Address nhp vo MO.O ri chn okItem Properties



Symbolic Name: Name:M icroWin. s 7-200. s T AR TMemory LocationAddress:|M0.0|Read/WriteData Type:|B00L~^1Engineering Units High:10.0000000Low:Jo. 0000000DescriptionComment:

CancelOK

Tng t ta to cc item khc da vo chng trnh PCL m ta thit k Step 7- Micro/win ta c kt qu nh sau :SI MOHINHCATGIAY.pea - S7-200 PC AccessFile Edit View Status Tools Help-

NameAddressData TypeAccess

.DCBUOC1Q0.1BOOLRW

.DCBUOC2Q0.2BOOLRW

DCBUOC3Q0.3BOOLRW

DCBUOC4Q0.4BOOLRW

DCCATGIAYQ0.5BOOLRW

.STARTMO.OBOOLRW

OSTOPM0.4BOOLRW

, RESETM0,5BOOLRW

HIENTHIMW3INTRW

- MOHINHCATGIAYWhat's New MicroWin(COMO) 57-200

Sau lu li vi tn DONGCOBOC (nh lu trng vi tn lu trn Step 7- Micro/win), tip theo chn cc item to ri ko th xung vng Test Client nh hnh bn di :r DONGCOBUOC - S7-200 PC AccessFile Edit View Status Tools HelpDcH X. l- kj DONGCOBUOC 0 What's New

Data TypeOOLRWOOLRWOOLRWOOLRWOOi.RWOOLRWOOLRWMicroWin(COMO) HI S7-200

jgli; -jj _il |>,Test ClientStatus: Off

Item ID ! 1 Value1 Time Stamp1 Quality

, MicroWin.S7-... -00:00:00:000Bad

MicroWin.S7-... -00:00:00:000Bad

MicroWin.S7-... -00:00:00:000Bad

MicroWin.S7-... -00:00:00:000Bad

MicroWin.S7-... -00:00:00:000Bad

MicroWin.S7-... -00:00:00:000Bad

MicroWin.S7-... -00:00:00:000Bad

ReadyCAP NUM

Sau chn status trn thanh cng c > chn start test Client, nu thy ct Quality chuyn t Bad sang Good l t4. M hnh gim st trn WinCC 6.0Khi ng chng trnh WinCC, chn start > SIMATIC > WINCC > Window Control Center 6.0.Trn thanh trnh n, chn File > New to d n mi.C WinCCExplorer - D:\hoang\plsp\SCADA\SCADA.MCP [ Active ]

Q Edit View Tools Help

||i]New Ctrl+Na > :::: If? ! Ef 1

S' Open...Ctrl+OClose

ActivatePrint Project Documentation View Project Documentation Project Documentation Setup...Recent FileExitShut Down...Hp thoi WinCC Explorer xut hin, nhp ty chn mc Single - User Project ri nhp ok. Bng Create a new project xut hin, nhp tn SCADA vo mc project name, sau nhp vo du mi tn khung Drive chn D ng dn lu, nhp Create to d n.Create d new project

Project Name:Project Path d: \nang\damh Folder:CreateCancel

IM H1N H CAT G1 AY New Subfolder:ImohinhcatgiayYou can use this dialog box to create a new WinCC project.[..] ~ [Bai tap S72Q0][BTLLTDKTU DONG][caonang][do an][dongcobuoc][file word][hinh]rtcHn iT 1 iron ni INR K^ Drive:1^1 D: ^ 1Help

Lc ny khung bn tri ca s vWinCC Explore xut hin d n MOHINHCATGIAY. Sau nhp phi vo mc Tag Management chn Add New Driver.

WinCCExplorer - D:\nang\DAMH\mohinhcatgiay\MOHINHCATGIAY.MCP 1 _ Il n II X 1

FileEdit View Tools Help

Qm & S3, 1s-fi Vi- -E-Epm US

II E d[footnoteRef:2]' MOHINHCATGIAY [2: t ti groupGeneral IN ame:Number of T ags:Specify the name of the tag group]

Name 1 Type

ii ComputerInternal tags Internal tags

Ai11 IW I Add New Driver...

if Find...

JJ Ta Properties

Report DesignerIt Global ScriptTil Text LibraryUser Administrator 55 Cross-Reference A Load Online changes

1 Press FI for Help.External Tags: 9 / License: DEMO

Lc ny trong mc Tag Management xut hin drive OPC, nhp p vo n hin cng kt ni . sau nhp phi vo cng OPC Groups chn New Driver Connection.