Mang Truyen Thong_siemen

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HGTVTTPHCM-TNGHACNGNGHIP-T05

2009

N MNG TRUYN THNGTHIT K H THNG MNG TRUYN THNG

CHO NH MY XI MNG - GII PHP CAHNG SIEMEN.

GVHD: Trn Hong Dng

Nhm thc hin:

Chu Vnh Ph

Phan Vn Thi

Trnh Vn Thng

Bi Thanh Nh

S 2 , 3 , V N T H N H B C , B N H T H N H , H C H M I N H


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Phc lc:

1.Ni dung ti v yu cu2.Tm hiu gii php mng truyn thng ca hng Siemen v

gii php chn la.

3.Thng k cc thit b ph hp vi h thng4.Tnh nng htrcn ch ca cc thit b5.Vcu hnh gii php ca h thng6.Phn tch nhng u nhc im ca gii php la chn7.Ti liu htr


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1.Ni dung ti v yu cu:Ni dung ti:

Nh my gm 2 line sn xut, mi line sn xut gm mt trm ch v 5 trm t

Trm t1 : iu khin cc thit bng ct h thng in , cc motor bng chuynti liu, my nghin, qut gi, ht bi.

Trm t2 : iu khin mt h thng cn ng. H thng ny c tc dng iukhin khi lng liu u vo ng vi cng sut ci t.Liu vo l x

Trm t3 : tng t nh trm t2 nhng liu vo l clinke.

Trm t4 : tng t nh trm t3 nhng liu vo l vi

Trm t5 : tng t nh trm t4 nhng liu vo l salat.

H thng iu khin cn ng cho trm 2,3,4,5 gm :

- Mt bin tn iu khin motor

- Mt motor ca bng ti cn

- Mt encoder a v tc bng ti

- Mt loadcell cn khi lng liu trn bng ti

H thng trm t1 gi s bao gm :

- 25 motor lin quan n qu trnh nghin, ti liu, qut gi, ht bi, cnliu..( khng c bin tn)

- H thng n cnh bo v alarm c 100 input digital, 64 output digital

- H thng sensor analog ( 4-20mA) gm 40 cm bin ( nhit , p sut, n .)

- H thng sensor gim st tc my nghin ( xung tc cao ) ( 4 sensor)


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Yu cu:

a ra gii php thit k h thng, tiu khin gim st n cc trm.Cng vic bao gm :+ Tm hiu gii php mng truyn thng

+ Thng k cc thit b ph hp vi h thng mng mnh a ra+ Tnh nng h trcn ch ca cc thit b

+ V cu hnh gii php ca h thng:

+ Phn tch nhng u im nhc im ca gii php chn la


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2.Tm hiu gii php mng truyn thng ca hng Siemenv gii php chn la.

Gii php mng truyn thng ca hng Siemen:

Siemen a ra kh y cc gii php cho mng truyn thng cho cc lnhvc tng ha, y l mt m hnh th hin gii php ca hng:

M t gii php mng truyn thng ca hng Siemen :

Cc cp ht thng mng v phng php truyn thng:

Cp qun l( Management leave): truyn thng theo chun Enthernet

Cp gim st (Operations leave) : truyn thng theo chun Industrial Ethernet

Cp iu khin (Control leave) : chun Profi Net

Cp chp hnh (Field leave): chun Profibus DP, Profibus PA, AS-interface, Hart


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Nhn chung hng Siemen a ra rt y , v tch hp rt nhiu cc sn phm h trcho nhu cu ca khch hng t cc thit b cp qun l n cp trng, phn

mm v phn cng.

Gii php chn la:

Da trn cc gii php m hng a ra, ta chn mt gii php xydng gii php mng truyn thng cho nh my xi mng:

Cp chp hnh: Truyn thng theo chun ProfiBus DP v As-interface

+ Cc thit b : Motor, n cnh bo, Alarm, Sensors, bin tn, encoder, loadcell....

Cp iu khin : Truyn thng theo chun Profi-bus DP

+ Cc thit b: Plc S7, v cc modul truyn thng.

Cp gim st: Truyn thng theo chun Profi-bus DP

+Cc thit b : My tnh gim st, v modul truyn thng, phn mm: WinCC,SIMATIC Manager...

3.Thng k cc thit bph hp vi hthng3.12 my tnh gim st 2 line:

V yu cu trong nh my i hi cc my tnh cng nghip phi c an ton cao nn khng th dng cc my tnh thng thng. Siemenc a ra cc my tnh PG/PC khc nhau, di y l mt v d. Thngtin ca my c th hin r trong ti liu i km ca nh sn xut.

Ngoi ra my tnh thc hin gim st c cn ci t phn mmWinCC.


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Di y l mt thng tin nh v giao thc truyn dn Profi-bus DP h trchovic chn la gii php mng.


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Ngoi ra cn mt s thng tin khc c trong ti liu i km.


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3.22 con Simantic S7-400 H, CPU 417-4H:Dng S7-400 l mt dng CPU cao cp, thc hin c mt lng ln nhngcng vic , v kh nng qun l rt ln cc cng I/O. Trong bi, nhm chn con CPU-

417-4H v dng ny cho php thc hin c chc nng Redundacy, m bo khimt CPU gp s c th c CPU khc thay th.

Ngoi ra thc hin c kh nng giao tip gia hai line sn xut ring nhau ta cth dng giao tip S7-Comunication c h trtrong dng ny.

V th ta cn gn thm trn S7-400, hai card mng, c th hin trong phn cuhnh.

Trong mi rack ta cn gn thm mt b ngun c kh nng Redundancy.

C ti liu i km.


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Bn di l thng tin cu hnh:


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3.32 con IM 135-2: l mt loi module c kh nng h trredundancytrong trm S7-400


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Hnh bn di l cu hnh cho trm:


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3.4 10 con Simatic S7-200, CPU 215:Hnh bn di l cu hnh 5 con S7-200 CPU215 vo ng truynProfi-bus:


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3.5Cc trm as-i:(Ti liu i km: AS-Interface_Systemhandbuch_System-

Manual_2008-11_en_A5E01216655-02_3RK2703-3BB02-

1AA1.pdf)

A. Master

Hnh bn di m t mt con CP243-2 Master Module, moduleny c ci vo S7-200.

Tnh ton s lng I/O v ta la chn c cc module tng ng cthp ng yu cu bi.


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Hnh bn di hng dn cch ci t module As-i vo S7-200 thngqua chc nng As-I Wizard. ( Th nhng yu cu phi c S7-200 tht v

module tht c ni vo my tnh c phn mn STEP 7- Micro/WIN)

V khng c module nn cng khng th cu hnh c


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B . slave trong mng AS-i.

B1. Module vo ra s:F90 module . m bo c 100 ng vo v 64 ng ra

s ta dng 16 module loi ny trong loi 16 input ,2 bloi 4DI/DO 14 b, m s ca hai loi ny l (3RG9002-0DE00-16input, 3RG9002-0DA00-4DI/DO).

B2. Module vo analog:

K60 analog module, m s sn phm ta dng l 3RK1207-1BQ44-

0AA3- loi ny c 4 ng vo analog, tn hiu dng, hnh minh ha bndi.

B 3. B khi ng cho ng c:

y l b Ecofast motor starter dng trong mng AS-i cp bo v IP65dng cho loi ng c3 pha xoay chiu,cng sut ca ng cm ecofast h trln ti 5,5 Kw. Hnh bn cnh l v dv cu hnh cho 2 ng ctrong mng.nh vy theo yu cu ca bi th ta chn25 b ny , m sn phn c th ta chnl 3RK1323-2AS54-1AA3- l loi 0.3A-

9A(4kw), loi ny c cm bin nhitbo v qu ti .


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3.64 Bc xung tc cao:Trong trm ny cn c thit bc xung tc cao ca 4 sensor v

vy mng AS-i khng p ng c do ta gn module vo mng dpmaster v xung tc cao c a v module . hnh di th hin

cchci tca

module trong mng.

3.7Bin tn:Vic chn la bin tn cn ty thuc vo cng sut ca ng c, v ch lm vic ca ng c.

y v khng c cng sut c th nn nhm chn mt loi bin tn khmnh:

Ta dng bin tn loimicromaster 440(MM440)trong cc trm cn ng. ldng bin tn mnh m nhttrong cc dng tiu chun.hnh bn th hin cc loibin tn khc nhau thuc dng MM440.


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1 Nguyn tc hot ng ca bin tn:

B chnh lu bin in xoay chiu thnh in mt chiu, b nghchlu c iu khin bin in mt chiu thnh xoay chiu vi tn s khcnhau.

2 Mt sthng skthut:

in p vo cng sut

200V n 240V 1 AC 10% 0.12 3kW

200V n 240V 3 AC 10% 0.12 45kW

380V n 480V 3 AC 10% 0.37 75kW

200V n 240V 1 AC 10% 0.75 75kW

tn s vo 47 n 63hz

tn s ra 0 n 650hz

h s cng sut 0.7

Dng khi ng thp hn dng dnh mc

kh nng qu ti Qu dng 1,5Inh mc trong 60 giy

Qu dng 2Idnh mctrong 3 giy

tn siu ch xung 2 khz n 16khz


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3 Kt ni vi plc:Kt ni qua cng rs485, cng com. V dng giao thc Uss

3.8Load cell:Hnh bn th hin cu to ca cm binkhi lng ta dng cho cc bng ti. tnsn phm:

Compuscale III. C ng ra t 4-20mA, tnsp ng 3khz, cc tnh nng khc.

Module nhn tn hiu tload cell:

Siwarex msc tn hiu t cn, sau gi tnhiu di dng s nguyn v plc x l. Siwarex

ms th hin c khi lng qua mn hnhhin th, n hot ng nhphn mm np von t my tnh.

Hnh bn di th hin vic c khi lng:


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3.9Encoder:A.Encoder c dng trong cc trm cn ng

theo di bang ti ta dng loi encoder tng iv bng ti chy vi tc khng cao do vy tachn encoder ca hng rotalpuls c s xung trn 1

vng l 360.Cc u dy ra:


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B. Module h trchuyn i tn hiu t encoder v PLC x l: T1505 HighSpeed Counter Encoder Module


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n led ch th kt ni dy:


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Hnh thhin cc kt ni encoder vo module:


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3.10ng c:Tu theo nhu cu s dng m ta chn loi ng cc cng sut ph hp.

4.Tnh nng htrcn ch ca cc thit b:S7-400 H, CPU 417-4H c kh nng Redundancy.

Bin tn: Trong mc la chn thit b ta chn dng bin tn micromaster440(MM440) y l dng c h trgiao thc USS protocol

Di y l mt s thng tin khi dng giao thc ny: iu kin s dng giao thc USS:

Th- vin lnh STEP7 Micro/Win cung cp 14 th tc con 3 th tc ngt v 8

lnh - c tch h p trong giao thc USS. Cc lnh USS s dng ph-ng thc sautrong S7 200.

Giao thc USS - c thit lp trn Port 0 cho giao tip USS.


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Lnh USS_INIT cho php la chn giao tip kiu USS hoc PPI trn port 0.

Sau khi la chn giao thc USS giao tip v i bin tn ni ring ta khngths dng port 0 cho bt k mc ch no kh c, kc giao tip v i phnmm STEP7 Micro/Win.

Cc lnh USS - c t o ra chim khong 3600 byte. Tu thuc vo cc lnh

m ta s dng, phi dnh ring cho giao thc USS mt v ng nh V khong

400 byte.

Cc lnh USS khng -

c d ng trong th tc ngt.Tr nh t l p trnh s dng c c l nh U SS nh- sau:

t lnh USS_INIT trong ch-ng trnh. Lnh USS_INIT chnn - c gi

trong mt chu k qut thit lp hay thay i c c thng s giao tip cagiao thc USS.

t chmt lnh DRV_CTRL cho mi mt bin tn tch cc trong ch-ng

trnh. C ththm vo nhiu lnh USS_RPM_x v USS_WPM_x nu cnthit, nh-ng chmt bin tn - c tch cc t i mt thi im.Thit lp c c thng s bin tn ph h p v i tc baud v a chca

bin tn - c d ng trong ch-ng trnh.Ni cp giao tip gia CPU v cc bin tn.

Thi gian cn thit giao tip:

Giao tip v i cc thit bc vng qut khng c ng v i S7 200. S7 200thc hin - c vi vng qut ththit bgiao tip m i hon thnh. Thi gian cn

thit giao tip ph thuc vo s thit bgiao tip, tc baud v thi gian qut

ca S7 200

S dng c c lnh U SS Pr otocol :


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Th- vin lnh STEP7 Micro/Win cho php iu khin c c b bin tnMicroMaster mt c ch ddng bng c c hm lnh c bit - c thit ks dng

giao thc USS giao tip v i bin tn. V i lnh USS, ta c thiu khin bin tnv c thc/ghi c c thng s ca bin tn.

Cc lnh USS nm trong th vin ca cy lnh step7/microwin.* Lnh

USS_INIT

Lnh ny d ng bt thit lp giao thc USS kt ni PLC v (mng) bintn.

Lnh USS_INIT - c d ng cho php v thit

lp hay khng cho php thit lp giao tip v i bintn MicroMaster. Lnh USS s - c thc hin khi

khng c li no xut hin. Lnh ny hon thnhthbit DONE - c set lp tc tr- c khi tip tc thc hin cc lnh ktip.

Lnh ny - c thc hin mi khi u vo EN - c thit lp bng 1. LnhUSS_INIT - c thc hin mi khi c s thay i trng th i giao tip. Khi giao thc

USS - c thit lp, giao thc USS s - c lo i b bng c ch thc thi mt lnh

USS_INIT m i tr- c khi c s thay i trong cc thng s giao tip.Gi trca u vo USS cho php chn giao thc giao tip. Gi tr1 cho php

d ng port 0 cho giao thc USS. Gi tr0 g n port 0 cho giao thc ppi v loi bgiao thc USS.

u vo BAUD thit lp tc baud: 1200, 2400, 4800, 9600, 19200 hay 3400

baud.

u vo ACTIVE chra bin tn no ang - c tch cc. i v i MicroMaster

thh tr a cht 0 n 30.Khi lnh USS_INIT - c hon tt, bit DONE - c thit lp bng 1, u ra ERR

(byte) cha kt qu ca vic thc hin lnh.


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* Lnh USS_CTRL.

Lnh ny d ng iukhin bin tn ch y, dng, ochiu v thay i tc .

Lnh USS_CTRL - c

d ng iu khin mt bin

tn MicroMaster - c tch cc.

Lnh USS_CTRL t c c lnh

chn tr-

c trong b m giaotip. C c lnh t trong b m

- c gi cho bin tn

- c chn trong thng sACTIVE ca lnh USS_INIT.

Mi bin tn chc mt lnh

DRV_CTRL.

u ra EN c thit lp bng

1 cho lnh drv_ctr

c thit lp (lnh ny phi lun lun c thit lp).

Ng vo RUN (RUN/STOP) - c thit lp bng 1cho php iu khin bintn v bng 0 khng cho php iu khin bin tn. Khi Run - c thit lp bng 1,

b bin tn MicroMaster nhn - c lnh bt u chy t i tc v chiu nhtr- c. bin tn chy th:

* DRIVER phi - c chn tch cc trong ACTIVE trong USS_INIT.

* OFF2 v OFF3 phi - c t bng 0.

* FAUL v INHIBIT phi bng 0.

Khi RUN bng 0 thmt lnh - c gi n MicroMaster gim tc xungcho n khi ng c dng hn.


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Bit OFF2 - c d ng cho php bin tn dng ng c nhanh hn. Bi t OFF3- c d ng MicroMaster dng nhanh chng.

Bit F_ACK (Fault Acknowledge) - c d ng x c nhn li truyn thng trongbin tn. Bin tn s xa li (FAULT) khi F_ACK i t mc thp n mc cao.

Bit DIR (direction) o chiu quay ca ng c.

u vo DRIVE (drive address) cho bit a chca bin tn MicroMaster mlnh DRV_CRTL iu khin. a chc gi trt 0 n 30.

u vo TYPE chn lo i bin tn. V i bin tn MicroMaster 3 chn TYPE = 0,

v i bin tn MICROMASTER 4 chn TYPE = 1.

u vo Speed_SP (speed setpoint) t tc ca ng c d- i dng phn trm

ca tc ti a (-200% n 200%). Gi trm ca Speed_SP lm ng c o

chiu quay.

Bit Error l mt byte l-u kt qu ca ln giao tip m i nht v i bin tn.

u ra STATUS cha trng th i ca bin tn.

u ra SPEED l-u tc ca ng c d- i dng phn trm ca tc nh

mc (-200% n 200%). u ra RUN_EN (DRIVE RUN ENable) cho bit bin tn ang chy (bng 1)

hay dng (bng 0).

u ra D_DIR cho bit chiu quay ca ng c.

u ra INHIBIT cho bit trng th i cm trong bin tn (0 not inhibited, bng

1 inhibited). xa bit cm th bit FAULT phi - c OFF v cc bit voRUN,OFF2 v OFF3 phi bng 0.

u ra FAULT cho bit tr ng thi ca bit li (0 khng c li, 1 c li).B bin tn s hin thm li. xa bit FAULT thphi sa li v thit lp bng1 bit F_ACK.

* Lnh USS_RPM_x.


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Lnh ny c thng s t bin tn.

Lnh USS_PRM_x c mt thng s kiu word khng du. Lnh USS_RPM_xhon tt khi MicroMaster x c nhn hay khi c li bo v.

u vo EN phi - c thit lp bng 1 cho php truyn yu cu xung

MicroMaster v phi lun - c thit lp bng 1 cho n khi bit DONE bng 1 bohiu s hon tt. Mt yu cu USS_RPM_x - c truyn t i MicroMaster mi chu

kvng qut khi u vo EN - c thit lp bng 1. Vthu vo XMT_REQ nn

- c cho qua mt b P (b t ch s-n d-ng) chcho php mt yu cu - c truyn

i mi cnh ln ca u vo EN. u vo DRIVE l a chca bin tn MicroMaster m lnh USS_RPM_x

- c gi i. a chny c gi trt 0 n 31.

u vo PARAM x c nh thng s cn c. u vo INDEX l gi trchsca thng s cn c.

a chca mt b m 16 byte phi - c -a vo u vo DB_PTR. B

m ny - c s dng bi lnh READ_PM l-u kt qu nhn - c t bin tn.

Khi lnh READ_PM hon tt thi u ra DONE - c thit lp bng 1 v u raERROR (kch th- c byte) cha kt qu ca vic thc hin lnh.

u ra value l gi tr thng sc v.

* Lnh USS_WPM_x.


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Lnh ghi thng s xung bin tn:

Lnh USS_WPM_x ghi mt gi trword khng du vo mt thng s xc nh.

Lnh USS_WPM_x hon tt khi MicroMaster x c nhn hay khi nhn - c li.

u vo EN phi - c thit lp bng 1 cho php truyn mt yu cu v lun

gi nguyn trng th i bng 1 cho n khi bit DONE - c thit lp bo hiu s hontt. Mt yu cu USS_WPM_x - c truyn n MicroMaster mi chu k qutkhi u vo XMT_REQ bng 1. VthXMT_REQ nn - c cho qua b P (b t ch

s-n d-ng) chcho php mt lnh - c truyn i mi cnh ln ca u vo EN.

u vo DRIVE l a chca bin tn MicroMaster m lnh USS_WPM_x- c gi i. a chc gi trt 0 n 31.

u vo PARAM x c nh thng s cn ghi. u vo INDEX l gi trchsca thng s cn ghi. u ra VALUE l gi trcn ghi thng s.

Khi u vo EEPROM - c thit lp bng 1 thlnh ny - c ghi vo c RAMv EEPROM ca bin tn. Khi u vo ny bmt i thlnh ch- c khi voRAM ca bin tn.

a chca mt b m 16 byte phi - c -a vo u vo DB_PTR. Bm ny - c s dng bi lnh USS_WPM_x l-u kt qu nhn - c t bin tn

MicroMaster.

Khi lnh USS_wpm_ hon tt u ra done c thit lp 1, u ra erro(byte) chakt qu thc hin


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S7-200, CPU 215 :c h trsn kt ni Profi-bus, c h trmodule mrngAs-i Master.

5.Vcu hnh gii php ca hthng:

Trong Sinmantic ch cho php cu hnh xung ti S7-200, cu hnh cho cptrng bn di S7-200 ta s tin hnh cu hnh trong phn mm STEP7-Micro/Win.

Cu hnh a ch trn CPU 215-2DP c th lin lc vi trm ch c th lS7-300 hay S7-400


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Mt s hnh nh th hin giao tip gia S7-200 vi S7-300 v S7-200 vinhau trn cng mt ng truyn Profibus. Vic thc hin cu hnh ny trong phn

ci t ca Step 7 Micro /Win c h trnhng khng h trcu hnh bng ha.


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Hnh bn di ch cch cu hnh mt module mng truyn thng vo mtmy tnh c phn mm Micro/Win v cu hnh module truyn thng khi gn vo

S7-200.

Mt s trng hp yu cu phi c thit b v phn mm h trmi ci t c.Trong trng hp cu hnh cho module truyn thng Profi-bus DP khng c nncha thc hin c

Hnh trn l cch ci t module CP5411 vo S7-200, xong trong qu trnhthc hin th module ny khng c nn khng th tin hnh ci t.


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Hnh th hin cu hnh cc trm As-master v cc cc trm As-i slaver: F90module in/out analog , Ecofast motor starter b khi ng cho ng c,

Hnh bn di v cu hnh ci t load cell tn hiu gi v modullSiwarex ms, vbin tn kt ni v cng com iu khin qua giao thc USS


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6.Phn tch nhng u nhc im ca gii php la chn:Cha c s liu chnh xc khong cch cc trm.

Cha tnh ton gi thnh

Cha a ra c gii php gim s trm s7-200 xung , tp trung x l ngayti trm s7-400

Ch mi redundancy cho 2 trm ch , cha a ra gii php redundancy cho cccp trng, nu a ra th s lng thit b s rt ln, gi thnh s rt cao.

Trong qu trnh cu hnh ch c th cu hnh ti trm s7-200 cha tm ra cch cuhnh thp hn, nn lm gim tng minh,

Thc t s7-200 CPU 215 c th dng modum mrng Profibus v tip tc cuhnh cho cc thit b di, nh trm ch AS-i v cc trm tAS-i

Gi s IM 153-2 b hng coi nh trm s b li nng.

Cha lp trnh c cch giao tip gi thng tin t s7-200 ln s7-400, ch mi cti liu tham kho .

Cha xc nh cng sut ca h thng la chn bin tn cho hp l.


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7.Ti liu htr:Ti liu Totally Intergrated Automation : EM 277 PROFIBUS DP module (trang101/764), CP 243-2(103/764)

Ti liu Configuring Hardware and Communication Connections with Step 7

Ti liu Process Control System PCS 7,V7.0 SP1 ,Fault-tolerant Process ControlSystem

Ti liu S7-200, S7-300, S7-400

Ti liu cho mng As-i: AS-Interface_Systemhandbuch_System-Manual_2008-11_en_A5E01216655-02_3RK2703-3BB02-1AA1.pdf

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