Li ni u Trong thi k t nc ang tin hnh cng cuc cng nghip ho hin i ho th t ng ho l mt ngnh v cng quan trng ,mt ngnh mi nhn trong cng nghip .Vi tc pht trin chng mt ca cng ngh vi in t, k thut truyn thng v cng ngh phn mm trong nhng nm gn y to s chuyn bin c bn trong hng i cho cc gii php t ng ho cng nghip. Nhng gii php nhm mc ch gim gi thnh v nng cao cht lng h thng. S ng dng rng ri cc h thng mng truyn thng cng nghip, c bit l truyn thng gia PLC v bin tn.Truyn thng gia PLC v bin tn ang c ng dng ngy cng ph bin v nhng tnh nng vt tri. iu khin trn tc ng c khng ng b theo tn s, iu khin V/f, Encoder s dng mdun encoder phn hi tc ng c trong cc h thng vng kn n nh tc , bo v qu nhit ng c Trong qu trnh hc tp chng em c lm n mn hc l c hi cho chng em tm hiu thm v kin thc thc t cng c nhng kin thc c hc. Nh c s hng dn tn tnh ca thy ng Quang ng cng vi s lm vic nghim tc ca cc thnh vin trong nhm n nay chng em hon thnh c ti. Tuy nhin do trnh cn hn ch v kinh nghim cn non km nn trong qu trnh lm chng em gp rt nhiu kh khn v vy chc chn s khng th trnh khi nhng thiu st, rt mong s ch bo v ng gp kin ca thy c v cc bn.Chng em xin chn thnh cm n!Hng Yn, ngy 25 thng 3 nm 2008

Nhn xt, nh gi ca gio vin hng dn

...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

Ch k ca gio vin

ng quang ng

Mc lcLi ni u1Nhn xt, nh gi ca gio vin hng dn2Mc lc3CHNG I: Tng quan v bin tn v cc thng s ci t cho bin tn mm44051.1 Tng quan v bin tn MM44051.2 u im ca MICROMASTER 440:61.3 Cch u ni mch lc71.4 S u ni91.5 S mch nguyn l101.6 Kha chuyn i DIP 50/60 Hz111.7 Cc u dy iu khin111.8 Ci t thng s cho bin tn131.8.1 Ci t mc nh131.8.2 Cc thng s ci t ng dng141.8.2.1 Cc thng s ci t ni tip141.8.2.2 u vo s (DIN)141.8.2.3 Cc u ra s (DOUT)151.3.2.4 Chn gi tr im t tn s161.8.2.5 u vo tng t (ADC)161.8.2.6 u ra tng t171.8.2.7 Ci t ni tip18Chng II : Truyn thng BOP (bn phm)202.1 S dng mn hnh BOP202.2 Ci t thng s ca bin tn MM440 qua bn phm BOP22Chng III: Truyn thng cc u ni263.1 Gii thiu phn mm Drivermonitor263.2 Cc bc thc hin ci t trn phn mm DRIVER MONITOR27Chng IV: Truyn thng AOP30Gii thiu v khi AOP30Chng V: Truyn thng uss trn ng truyn com325.1 Tng quan v PLC s7-200325.1.1. Thit b iu khin PLC S7 - 200325.1.2 Cng truyn thng335.2 Cc loi chun truyn thng345.2.1 Chun truyn thng RS-232345.2.2 Chun truyn thng RS-485355.3 Gii thiu v giao thc USS Protocol365.3.1 iu kin s dng giao thc USS365.3.2 Trnh t lp trnh s dng cc lnh USS375.3.3 Thi gian cn thit giao tip375.3.4 S dng cc lnh USS Protocol385.4 Kt ni gia PLC v bin tn425.4.1 Cc tham s v ng c435.4.2 Cc tham s v giao tip ni tip USS445.4.3. Cc tham s lin quan khc445.4.4.Cc tham s u vo tng t s 1455.4.5. Thit lp cc tham s cho bin tn465.5 Lp trnh ng dng475.5.1 Thut ton iu khin475.5.2 Bng symbol485.5.3 Chng trnh iu khin49Kt lun54

CHNG I: Tng quan v bin tn v cc thng s ci t cho bin tn mm440 1.1 Tng quan v bin tn MM440 MM440 l loi bin tn c lp (bin tn gin tip), thay i in p hay tc cho ng c xoay chiu bng cch chuyn i dng in xoay chiu cung cp thnh dng in mt chiu trung gian s dng cu chnh lu. Sau in p mt chiu li c nghch lu thnh in p xoay chiu cung cp cho ng c vi gi tr tn s thay i. Ngun cung cp cho bin tn c th s dng ngun xoay chiu mt pha (cho cng sut thp), hay s dng ngun xoay chiu ba pha.in p mt chiu c chuyn thnh in p xoay chiu s dng phng php iu ch rng xung. Dng sng mong mun c to ln bi s ng ct u ra ca cc transistor. MM440 s dng cc IGBTs mch nghch lu, in p xoay chiu mong mun c to ra bng cch thay i tn s ng ct ca cc IGBTs. in p xoay chiu u ra l s tng hp ca hng lot cc xung vung vi cc gi tr khc nhau u ra ca cc IGBTs.Trong thc t, cc b bin tn thng dng iu khin tc quay ca ng c in xoay chiu thay i trn theo tn s.Cc b bin tn s dng trong thc t rt a dng, c chc nng khc nhau tu theo mc ch s dng, tnh cht truyn ng. Chng c sn xut t cc hng nhiu nc khc nhau. Trong phm vi ti ch gii thiu v h bin tn c s dng l MicroMaster 440. MM440 chnh l h bin tn mnh m nht trong cc bin tn tiu chun. MicroMaster 440 l b bin i tn s dng iu khin tc ng c 3 pha xoay chiu. C nhiu loi khc nhau t 120W ngun vo 1 pha n 200kW ngun vo 3 pha. Bin tn MicroMaster 440 vi cc thng s t mc nh ca nh sn xut c th ph hp vi mt s ng dng iu khin ng c n gin. Ngoi ra MM440 cng c dng cho nhiu cc ng dng iu khin ng c cp cao nh danh sch cc thng s hn hp ca n.1.2 u im ca MICROMASTER 440: - Thit k nh gn v d dng lp t.- iu khin Vect vong kn(tc /Moment).- C nhiu la chn truyn thng: FROFIBUS, Device Net, CAN open- Ba b tham s trong mt nhm thch ng bin tn vi cc ch hot ng khc nhau.- nh mc theo tI moment khng i hoc bm , qut.- D tr ng nng chng st p.- Tch hp sn b hm dng in tr cho cc bin tn n 75 kw- 4tn s ngt cng hng ln my-.Khi ng bm khi bin tn ni vi ng c quay- Tch hp chc nng bo v nhit cho ng c dng PTC/KTY - Khi chc nng logic t do: AND, OR, nh thi m- Moment khng i khi qua tc 0.-. Kim sot moment ti.Cc thng s k thut Di in p u vo AC 200V 240 V, ?????

(Khng c b lc v c km b lc cp A)

M hiu t hng SE6440-2AB11121 131517212122232UC2AA15AA17AA15AA15AA11BA15BA12BA10CA1 C vABC Cng sut nh mc CT[kW]0,120,250,370,550,751,11,52,23,0 Cng sut u ra[kVA]0,40,71,01,31,72,43,24,66,0 Dng in vo CT-1[A]4,66,28,211,014,420,235,5 Dng in ra CT[A]0,91,72,33,03,95,57,410,413,6Cu ch[A]Khuyn co loiTheo tiu chun UL3NA380338033803380538053807380738123817*********Tit din cp u vo min161614141210Tit din cp u vo max[mm2]2,52,52,52,52,56,06,06,010,0Tit din cp u ra min[mm2]1,01,01,01,01,01,01,01,01,5Tit din cp u ra max[mm2]2,52,52,52,52,56,06,06,010,0Trng lng(khi km b lc cp A)[kg]1,31,31,31,31,33,43,43,45,7Trng lng (khi khng c b lc)[kg]1,31,31,31,31,33,33,33,35,5Mmen xit cho cc u mch lc[Nm] 1,1 1,5 2,25Cc iu kin th cp: dng in ti im hot ng nh mc p dng cho ngun c in p ngn mch Vk = 2% l dng in tng ng vi cng sut nh mc ca b bin tn trong h truyn ngv in p li 240 V trong trng hp khng c cun khng chuyn mch. Nu dng cun khng chuyn mch, cc gi tr c th trong bng gim i trong khong t .1.3 Cch u ni mch lcC th tip cn vi cc u ni ngun in vo v cc u ni ca ng c bng cch tho cc phn v my pha trc. Cc bc thc hin:

S ng lc nhn chung ca cc loi bin tn u nh nhau, ta c th u nh sau: 1.4 S u ni

1.5 S mch nguyn l 1.6 Kha chuyn i DIP 50/60 HzTn s nh mc mc nh cho ng c ca b bin tn MICROMASTER l 50 Hz. i vi ng c thit k chy tn s nh mc 60 Hz, cc b bin tn c th t tn s ny nh s dng kha chuyn DIP 50/60 Hz -V tr OFF: Cc thng s mc nh ca chu u (Tn s nh mc ca ng c = 50 Hz, cng sut tnh theo kW)-V tr ON: Cc thng s mc nh ca Bc M (Tn s nh mc ca ng c = 60 Hz, cng sut tnh theo Hp)

1.7 Cc u dy iu khin

Cc u ni ca MM440

Chc nng ca cc u dy:

u dyK hiuChc nng1u ngun ra +10V2u ngun ra 0V3ADC1+u vo tng t s 1(+)4ADC1-u vo tng t s 1(-)5DIN1u vo s 16DIN2u vo s 27DIN3u vo s 38DIN4u vo s 49-u ra cch ly +24v/max. 100mA10ADC2+u vo tng t s 2(+)11ADC2-u vo tng t s 2(-)12DAC1+u ra tng t s 1(+)13DAC1-u ra tng t s 1(-)14PTCAu dy ni cho PTC/KYT 8415PTCBu dy ni cho PTC/KYT 8416DIN5u vo s 517DIN6u vo s 618DOUT1/NCu ra s 1/ tip im NC19DOUT1/NOu ra s 1/ tip im NO20DOUT1/COMu ra s 1/ chn chung21DOUT2/NOu ra s 2/ tip im NO22DOUT2/COMu ra s 2/ chn chung23DOUT3/NCu ra s 3/ tip im NC24DOUT3/NOu ra s 3/ tip im NO25DOUT3/COMu ra s 3/ chn chung26DAC2+u ra tng t s 2 (+)27DAC2-u ra tng t s 2 (-)28-u ra cch ly 0 V/max. 100 mA29P+Cng RS48530N-Cng RS485

1.8 Ci t thng s cho bin tn 1.8.1 Ci t mc nh B bin tn MCROMASTER 440 c ci mc nh khi xut xng sao cho c th vn hnh m khng cn ci t thm bt k thng s no na. t c iu ny cc thng s ca ng c c kt ni vi bin tn phi c thng s nh mc ph hp vi thng s ci t mc nh (P0304, P0305, P0307, P0310) tng ng vi thng s ng c 1LA7 4 cc ca Siemens (Hy xem cc thng s nh mc ghi trn nhn)Cc thng s mc nh khc:Cc ngun lnh P0700 = 2 (u vo s)Ngun im tP1000 = 2 (u vo tng t)Ch lm mt ng c P0335 = 0Gii hn dng in P0640 = 150%Tn s nh nhtP1080 = 0 HzTn s ln nhtP1082 = 50 HzThi gian tng tc P1120 = 10 sThi gian gim tc P1121 = 10 su vo/ u raCc u niThng sChc nngu vo s 15P0701 = 1ON/OFFu vo s 26P0702 = 12o chiuu vo s 37P0703 = 9Xa liu vo s 48P0704 = 15im t c nh (trc tip)u vo s 516P0705 = 15im t c nh (trc tip)u vo s 617P0706 = 15im t c nh (trc tip)Cc u vo gn mc nh

1.8.2 Cc thng s ci t ng dngCi t ng dng iu chnh hoc ti u ha s kt hp gia b bin tn v ng c cho mt ng dng c th. B bin tn c nhiu tnh nng nhng khng phi tt c cc tnh nng u cn thit cho mt ng dng c th. C th b qua cc tnh nng ny khi ci ng dng.1.8.2.1 Cc thng s ci t ni tip P2010 ci t tc baud cho truyn thng RS485 P2010 index0= 4 (2400baud)5(4800baud)6(9600 baud)7(19200baud)8(38400baud)P2011: a ch ca trm t Index: P2011(0) Giao thc ni tip trn ng truyn COM P2011(1) Giao thc ni tip trn ng truyn BOPP2012: Xc nh s t c di 16 bit PZD trong mi ln truyn d liu theo kiu USSIndex: P2012(0) Giao thc ni tip trn ng truyn COM P2012(1) Giao thc ni tip trn ng truyn BOPP2013: Xc nh s t c di 16 bit PKW trong mi ln truyn d liu theo kiu USSIndex: P2011(0) Giao thc ni tip trn ng truyn COM P2011(1) Giao thc ni tip trn ng truyn BOP

1.8.2.2 u vo s (DIN)P0701: Chc nng u vo s 1 (u ni s 5)P0702: Chc nng u vo s 2 (u ni s 6)P0703: Chc nng u vo s 3 (u ni s 7)P0704: Chc nng u vo s 4 (u ni s 8)P0705: Chc nng u vo s 5 (u ni s 16)P0706: Chc nng u vo s 6 (u ni s 17)P0707: Chc nng u vo s 7 (qua u vo tng t, u ni s 3)P0708: Chc nng u vo s 8 (qua u vo tng t, u ni s 10) Cc ch ci t c th cho cc u vo s:= 0: u vo s khng hot ng= 1: ON/OFF1= 2: ON + o chiu/OFF = 3: OFF2 Dng t do= 4: OFF3 Gim tc nhanh= 9: Nhn bit li= 10: Chy nhp, bn phi= 11: Chy nhp, bn tri= 12: o chiu..= 99: Cho php ci t thng s BICOP0724: Xc nh thi gian tr dng cho u vo s (thi gian lc)0 Khng c thi gian tr1 Thi gian tr 2.5 ms2 Thi gian tr 8.2 ms3 Thi gian tr 12.3 msP0725: Chuyn i gia trng thi tch cc cao (PNP) v tch cc thp (NPN). Qu trnh ny p dng cho tt c cc u vo s cng mt lc0 Ch NPN ? Tch cc thp1 Ch PNP ? Tch cc cao1.8.2.3 Cc u ra s (DOUT)P0731: Xc nh ngun ca u ra s 1P0732: Xc nh ngun ca u ra s 2P0733: Xc nh ngun ca u ra s 3P0734: Xc nh trng thi cao thp ca rle cho mt chc nng nht nhCc ch ci t ca cc u ra s:= 52.0 B truyn ng sn sng= 52.1 B truyn ng sn sng hot ng= 52.2 B truyn ng ang hot ng= 52.3 Kch hot ch pht hin li ca b truyn ng.= 53.0 Kch hot hm DC1.3.2.4 Chn gi tr im t tn s P1000: Chn gi tr t tn s0 Khng c gi tr chnh1 Gi tr t MOP3 Gi tr t tng t4 Tn s c nh5 USS trn ng truyn BOP6 USS trn ng truyn COM.77 Gi tr t tng t 2+ Gi tr t tng t 2P1074: Gi tr t ph khng hot ngP1075: Xc nh ngun cho gi tr t ph (c thm vo gi tr t chnh)P1076: nh thang gi tr t b sung. Xc nh ngun chia cho gi tr t ph1.8.2.5 u vo tng t (ADC) P0756: Xc nh kiu u vo tng t v kch hot chc nng theo di ca u vo tng t0 u vo in p n cc (t 0 n +10 V)1 u vo in p n cc vi chc nng theo di (t 0 n +10V)2 u vo dng in n cc (t 0 n 20 mA)3 u vo dng in n cc vi chc nng theo di (t 0 n 20mA)4 u vo in p lng cc (t 10 ti +10 V)P0757: Gi tr x1 ca nh thang ADCP0758: Gi tr y1 ca nh thang ADC, thng s ny biu th gi tr x1 bng a% ca P2000 (Tn s quy chiu).P0759: Gi tr x2 ca thang o ADCP0760: Gi tr y2 ca thang ADC, thng s ny biu th gi tr x2 bng a% ca P2000. (Tn s quy chiu)P0761: Xc nh chiu rng ca di tn hiu cht trn u vo tng tP0762: Thi gian tr, mt tn hiu ADC, xc nh thi gian tr t thi im mt tn hiu im t tng t n khi xut hin thng bo li F0080T thng s P0756 n P0760, th p dng cc ch s sau:Ch s 0: u vo tng t s 1 (ADC1), u ni 3,4Ch s 1: u vo tng t s 2 (ADC2), u ni 10, 11 th th hin cc thng s ca knh ADC1.8.2.6 u ra tng tP0771: Xc nh chc nng u ra tng t t 0 n 20mACO: Tn s u ra (c ly thang t l theo P2000)CO: Tn s u ra ca b bin tn (c ly thang t l theo P2000)CO: in p u ra CO: in p ng trung gian DC CO: Dng in u raP0773: Hng s thi gian lc DAC, xc nh thi gian lc (ms) cho tn hiu u ra tng t. Thng s ny cho php lc DAC nh b lc PT1.P0776: Kiu DAC, xc nh kiu u ra tng t0 Dng in u ra1 in p u raP0777: Gi tr x1 ca thang t l DAC, xc nh gi tr u ra x1 l a%. Thng s ny biu th gi tr tng t nh nht l a% ca P200x (ph thuc vo ch ci t P0771).P0778: Gi tr y1 ca thang t l DAC, thng s ny biu th gi tr x1 theo n v mAP0779:Gi tr x2 ca thang t l DAC, xc nh gi tr c tnh u ra x2 l a%. Thng s ny biu th gi tr tng t nh nht l a% ca P200xP0780: Gi tr y2 ca thang t l DAC, thng s ny biu th gi tr x2 theo mAP0781: Chiu rng ca di cht DAC, t chiu rng ca di cht theo n v (mA) cho u ra tng t th th hin cc thng s ca knh DAC1.8.2.7 Ci t ni tipGi tr thng s ci t hin thi c th c truyn sang b bin tn MICROMASTER 440 nh b phn mm STARTER hoc b DRIVEMONITORCc ng dng in hnh ca cch ci t ni tip gm:1.Nu mt s h tuyn ng phi ci t theo cng mt cu hnh v c cng mt chc nng . Phi thc hin ci t nhanh/ ng dng (ci t ln u) cho h truyn ng u tin. Sau cc gi tr thng s c truyn n cc h truyn ng khc.2.Khi thay th cc bin tn MICROMASTER 440.1.3.2.8 Cc bc thc hin ci t li cc thng s mc nhP0003 = 1: Truy cp mc c bnP0004 = 0: Lc tt c cc thng sP0010 = 30: Ci t thng s ch ci t khi xut xng (mc nh)P0970 = 1: Ci t li thng s ch mc nhSau khi la chn xong cc thng s trn mn hnh BOP xut hin t BUSY bo hiu b bin tn ang thc hin ch ci t li thng s mc nh (kho di khong 10 s) v sau t ng thot khi ch ny. ng thi t li cc thng s sau:P0970 = 0: Khng ci t mc nh P0010 = 0 Sn sng lm vic

Chng II : Truyn thng BOP (bn phm)2.1 S dng mn hnh BOP-Mn hnh BOP hin th 5 s. Nhng Led 7 on s trnh by nhng tham s v gi tr ca nhng tham s, nhng tin nhn v cnh bo v li, im t v gi tr hot ng. Nhng thng tin v tham s khng c lu trn mn hnh BOP ny. -Cc nt v chc nngBng iu khin/ Nt nhnHmChc nng Trng thi hin thTrnh by trn mn hnh nhng gi tr ci t trn bin tn Khi ng bin tnNhn nt ny khi ng bin tn. Nt ny mc nh khng s dng c, n ch s dng c khi ci t thng s P0700 = 1 Tt bin tnOFF1: Nhn nt ny lm dng ng c theo thi gian gim tc Nt ny mc nh khng s dng c, n ch s dng c khi ci t thng s P0700 = 1OFF2: Nhn nt ny 2 ln (hay 1 ln nhng lu) lm cho ng c dng nhanh. Hm ny lun s dng c. Thay i chiu quay ca ng cNhn nt ny i chiu quay ca ng c. Khi ng c i chiu, trn mn hnh s hin th du - . Mc nh khng s dng, ch s dng khi t thng s P0700 = 1. Xoay nh ng cNhn nt ny khi bin tn khng c tn hiu ra lm cho ng c khi ng v chy ti tn s xc nh. ng c dng khi th nt ny ra. Khi ng c ang chy, nt ny khng c tc dng. HmNt ny s dng xem thng tin thm vo. N lm vic bng cch nhn v gi nt, n s ln lut trnh chiu:1.in p DC-Link (V)2.Dng ra (A)3.Tn s ng ra (Hz)4.in p ng ra (V)5.Gi tr la chn ti P0005 (nu P0005 t trnh chiu gi tr 3. 4. 5. th n s khng xut hin li ln na). Nhy hm: T tham s rxxxx hay Pxxxx nhn nt ny s quay v r0000, ta c th thay i tham s nu yu cu, nhn nt Fn ny li ln na t r0000, s quay v tham s ban u. Gin tr: nu xut hin cc cnh bo v cc thng bo li, th cc thng tin ny c th gii tr bng cch bn nt Fn Tham s truy cpNhn nt ny dung truy cp tham s. Tng gi trNhn nt ny tng gi tr hin hnh Gim gi trNhn nt ny gim gi tr hin hnhV d: t thng s P0004 = 7 ta lm cc bc sau: Cc bc thc hinKt qu trnh by1. Nhn nt x l tham s 2. Nhn nt cho ti khi tham s P0004 xut hin 3. Nhn nt x l tham s 4. Nhn nt hay chn gi tr yu cu 5. Nhn nt xc nhn v lu tr gi tr

2.2 Ci t thng s ca bin tn MM440 qua bn phm BOPB bin tn MM440 tng thch vi ng c nh s dng chc nng ci t thng s nhanh, v cc thng s k thut quan trng s c ci t. Ci t nhanh khng cn thc hin nu thng s nh mc ca ng c ghi mc nh trong b bin tn thch hp vi thng s nh mc ghi trn nhn ca ng c ang ni vo bin tn.Chc nng ca cc thng s ci t nhanh:Thng sChc nngP0003Mc truy nhp ca ngi s dng3.Mc c bn: Cho php truy nhp ti thng s thng thng nht4.M rng: V d truy cp ti cc chc nng I/O5.Chuyn gia: Ch dnh cho chuyn giaP0004Lc thng s6.Tt c cc thng s7.Bin tn8.ng c9.Cm bin tc .22. Chc nng PIDP0010Ci t thng s0.Sn sng1.Ci t nhanh30. Ci t nh myP0100Tiu chun Chu u/ Bc M0.Chu u (KW), tn s mc nh 50Hz1.Bc M (hp), tn s mc nh 60Hz2.Bc M (KW), tn s mc nh 60Hzi vi P0100 = 0 hoc 1, gi tr P0100 c xc nh khi ci t kha chuyn i DIP 50/60OFF = kW, 50 HzON = hp, 60 HzP0205ng dng b bin tn (nhp vo khiu mmen yu cu)0.Mmen khng i (v d nh thang my, my nn)1.Mmen bin i (V d nh bm. qut)Thng s ny ch c tc dng i vi b bin tn trong h truyn ng 5.5 kW / 400VP0300Chn kiu ng c1. ng c khng ng b (hay ng c d b)2. ng c ng bi vi P0300 = 2 (ng c khng ng b), ch c php iu khin khiu V/f (P1300 < 20)P0304in p nh mc ghi trn nhn ng c (V) in p nh mc ghi trn nhn ng c phi c kim tra, t bit c cu hnh mch Y/? m bo ph hp vi cch ni mch trn bng u ni ca ng cP0305Dng in nh mc ca ng c (A) dng in ghi trn nhn ca ng c P0307Cng sut nh mc ca ng c (kW/hp)P0308H s cng sut (Cos?) nh mc ca ng cNu nh ci t l 0, gi tr c t ng tnh tonP0309Hiu sut nh mc ca ng c (%)Nu nh ci t l 0, gi tr c t ng tnh tonP0310Tn s nh mc ng c (Hz)S i cc c t ng tnh ton li nu thng s thay iP0311Tc nh mc ng c (v/ph)Nu nh ci t l 0, gi tr c t ng tnh tonCn phi nhp thng s trong trng hp iu khin vect mch kn, iu khin V/f vi FCC v b trtP0320Dng t ha ng cDng in t ha ng c tnh theo % P0305Vi P0320 = 0, dng t ha ng c c tnh ton s dng P0340 = 1 hoc s dng P3900 = 1 - 3 v c hin th trong thng s r0331.P0335Chn ch lm mt ng c 0.Lm mt t nhin: S dng trc g qut gn vi ng c1.Lm mt cng bc: S dng qut lm mt cp ngun ring2.Lm mt t nhin l qut bn trong3.Lm mt cng bc v qut bn trongP0640H s qu ti ng cTnh theo % tng ng vi P03005H s ny xc nh gii hn dng in vo ln nht bng % dng in nh mc ca ng c. Bng vic s dng P0205, thng s ny c ci t ti 150% i vi mmen khng i v 110% i vi mmen thay i

P0700Chn ngun lnh (nhp ngun lnh)0.Ci t mc nh1.BOP (bn phm)2.u ni4.USS trn ng truyn BOP5.USS trn ng truyn COM (cc u ni 29 v 30)6.CB trn ng truyn COM (CB = mun truyn thng) P1000La chn im t tn s1. im t MOP2. im t tng t3. Tn s c nh4. USS trn ng truyn BOP5. USS trn ng truyn COM.77. im t tng t 2 + im t tng t 2P1080Tn s nh nht cho ng c (Hz)t tn s ng c nh nht ti ng c s chy m khng tnh n tn s im t. Gi tr ci t y c tc dng cho c quay thun v ngc.P1082Tn s ln nht cho ng c (Hz)t tn s ng c ln nht ti ng c s chy m khng tnh n tn s im t. Gi tr ci t y c tc dng cho c quay thun v ngc.P1120Thi gian tng tc (s)Thi gian tng tc l thi gian ng c tng tc t im dng n im c tn s ln nht khi khng dng cch tng tc c dng ng cong. Nu thi gian tng tc c t qu nh, iu ny c th lm xut hin cnh bo A0501 (Gi tr gii hn dng) hoc lm cho b bin tn ca h thng b dng vi li F0001 (qa dng) P1121Thi gian gim tc (s)Thi gian gim tc l thi gian ng c gim tc t im tn s ln nht n im dng khi khng dng cch gim tc c dng ng cong. Nu thi gian gim tc c t qu nh, iu ny c th lm xut hin cnh bo A0501 (Gi tr gii hn dng), A0502 (gi tr gii hn qu p) hoc lm cho b bin tn ca h thng b dng vi li F0001 (qu dng) hoc F0002 (qu p ).P1300Mode iu khin0.V/f khiu tuyn tnh1.V/f FCC2.V/f kiu ng parabol3.V/f kiu c th lp trnh c 23. iu khin mmen xon vector c sensorP1910Chn d liu cho ng cP1960Ti u ha thit b iu khin tc ti u ha thit b iu khin tc , phi bt ch iu khin vector vng kn (P1300 = 20 hoc 21). Sau khi chn xong ch ti u ho (P1960 = 1), th n bo A05452 khng hin thP3900Kt thc qu trnh ci t nhanh thng sBt u qu trnh tnh ton ng c0.Khng ch ci t nhanh thng sQu trnh tnh ton ng c khng c 1.Ch nh my, nhng thng s khng c trong qu trnh ci t nhanh 2.Qu trnh tnh ton cc thng s ca ng c v ci t li ch I/O theo ch nh mc3.Ch tnh ton thng s ng c khng ci t li cc thng s khc

Chng III: Truyn tHng cc u ni3.1 Gii thiu phn mm DrivermonitorPhn mm DRIVER MONITOR l mt phn mm h tr ci t ring cho h bin tn MM4XX c chc nng ci t cc thng s hot ng cho bin tn. Khi s dng truyn thng bng u ni ta khng cn mt n BOP m thay th bng mt mt n u ni: Khi thc hin truyn thng qua u ni ny ta s dng cp kt ni(chun rs232) ca mt n kt ni vi my tnh.Giao din chnh ca phn mm:

Mun thit lp gi tr cho bt k thng s no ta ch cn kch p vo thng s v nhp gi tri mi cho thng s cn thit lp. Cc thng s thit lp ta lm tng t nh thit lp thng s vi bn phm BOP ca bin tn.Sau khi thit lp y cc thng s cn thit ta download xung bin tn v bin tn s c thit lp cc thng s cn thit sn sng hot ng.Cc chng trnh sa li ,b m ,ng c3.2 Cc bc thc hin ci t trn phn mm DRIVER MONITORKhi to phn mm To mt chng trnh mi

Chn cu hnh phn cng cho MM440 Nhn ok sau t tn chng trnh cn ci t ri lu li: Sau khi lu lai chng trnh s m vo giao din chnh bt u ci t cc thng s cn thit: Sau khi ci t xong nhng thng s cn thit ta tin hnh download chng trnh xung bin tn . thc hin cng vic ny ta tin hnh kt ni my tnh v bin tn thng qua cp u ni tin hnh download: Sau khi tin hnh download chng trnh xong ta tin hnh chy th bin tn kim tra c p ng yu cu ra.

Chng IV: truyn thng AOPGii thiu v khi AOP Khi AOP c hai khi c bn: mt n BOP v khi giao din AOP.Khi giao din AOP c nhim v l cu ni truyn thng gia AOP v bin tn. Mt n BOP c s dng ci t thng s hot ng ca bin tn thng qua khi giao din mi ci t c truyn trc tip xung bin tn thit lp cc thng s cn thit.Kt ni AOP vi bin tn: Ta bt u ci t cc thng s trn mt n BOP tng t nh trn mt n BOP ca bin tn: Nh vy: truyn thng uss trn ng truyn BOP chnh l kt hp truyn thng BOP vi b giao thc AOP + cp kt ni.

Chng V: truyn thng uss trn ng truyn com5.1 Tng quan v PLC s7-2005.1.1. Thit b iu khin PLC S7 - 200Thng thng, tng tnh mm do trong ng dng thc t m phn ln cc i tng iu khin c s tn hiu u vo, ra cng nh chng loi tn hiu vo, ra khc nhau m cc b iu khin PLC c thit k khng b cng ha v cu hnh. Chng c chia nh thnh cc modul. S cc modul c s dng nhiu hay t tu theo yu cu cng ngh, song ti thiu bao gi cng phi c mt modul chnh l modul CPU. Chng c gi chung l modul m rng. Tt c cc modul c g trn nhng thanh ray ( RACK).Modul CPUL modul c cha b vi x l, h iu hnh, b nh, cc b thi gian, b m, cng truyn thng (chun truyn RS 485) v cn c cng vo, ra s (Digital). Cng vo ra c trn modul CPU c gi l cng vo ra ONBOART.Trong h PLC S7-200 c nhiu loi module CPU khc nhau. Ni chung chng c t tn theo b vi x l c trong n nh modle CPU212, CPU224, CPU226...Trong phm vi ti ny ta ch i nghin cu su v CPU224. Cu to CPU224.Nhng module cng s dng mt loi b x l nhng khc nhau v cng vo/ra onboard cng nh cc khi hm c bit c tch hp sn trong th vin ca h iu hnh phc v vic s dng cc cng vo/ra. Ngoi ra cn c module CPU vi hai cng truyn thng (CPU226), trong cng truyn thng th hai c chc nng chnh l phc v vic ni mng phn tn. Tt nhin km theo cng truyn thng th hai ny l nhng phn mm tin dng thch hp cng c ci sn trong h iu hnhTrn module CPU224 c 14 u vo v 10 u ra. S module m rng ti a l 7 do tng s u vo ti a l 128 u vo/128 u ra. S u vo tng t l 32 vo/32 ra.Trong CPU224 c tt c 256 b m, 256 b thi gian, mt b thi gian thc v mt b m tc cao, kh nng giao tip thng qua RS485 (giao tip PPI, DP/T, FREEPORTreeport). Chng c kh nng t password bo v chng trnh np xung.5.1.2 Cng truyn thngS7 200 dng cng truyn thng ni tip RS485 vi phch ni 9 chn phc v cho vic ghp ni vi thit b lp trnh hay cc trm PLC khc. Tc truyn cho my lp trnh kiu PPI l 9600 baund, theo kiu t do t 300 n 38.400S chn ca cng truyn thng nh sau:

1. GND6. VDC (in tr trong R = 100 )

2. 24VDC7. 24VDC (120mA ti a)3. Truyn v nhn d liu8. Truyn v nhn d liu4. B qua9. Khng s dng5. GND ghp ni S7 200 vi my lp trnh PG702 hoc vi cc loi my lp trnh thuc h PG7xx c th s dng mt cp ni thng qua MPIGhp ni S7 200 vi my tnh PC qua cng RS 232 c cp ni PC/PPI vi b chuyn i RS232/RS485.5.2 Cc loi chun truyn thng5.2.1 Chun truyn thng RS-232Tn hiu truyn theo chun RS-232 ca EIA (Electronics Industry Associations).Chun RS-232 quy nh mc logic 1 ng vi in p t -3V n -25V (mark), mc logic 0 ng in p t 3V n 25V (space) v c kh nng cung cp dng t 10mA n 20mA.Ngoi ra, tt c cc ng ra u c c tnh chng chp mch.Chun RS-232 cho php truyn tn hiu vi tc n 20.000 bps nhng nu cp truyn ngn c th ln n 115.200bps.Cc phng thc ni gia DTE v DCE:- n cng (simplex connection): d liu ch c truyn theo mt hng.- Bn song cng (half-duplex): d liu truyn theo hai hng, nhng mi thi im ch c truyn theo mt hng.- Song cng (full-duplex): d liu c truyn ng thi theo hai hng.

* Cc c tnh k thut ca chun RS-232:Chiu di cable cc i15mTc d liu cc i20Kbpsin p ng ra cc i 25V

in p ng ra c ti 5V n 15V

Tr khng ti3K n 7Kin p ng vo 15V

nhy ng vo 3V

Tr khng ng vo3K n 7K

Cc tc truyn d liu thng dng trong cng ni tip l: 1200bps, 4800bps, 9600bps v 19200bps.* S chn: 5.2.2 Chun truyn thng RS-485RS 485 s dng in p chnh lch i xng gia hai dy dn A v B. Ngng gii hn quy nh cho VCM i vi RS 485 c ni rng ra khong -7 n 12 V, cng nh tr khng u vo cho php ln gp 3 ln so vi RS422. Cc thng s quan trng c tm tt trong bng sau:

Thng siu kinTi thiuTi ain p u ra h mch?1,5 V?6 Vin p u ra khi c tiRLoad = 54 ??1,5 V5 VDng in ra ngn mchRLoad = 54 ?? 250mAThi gian qu u ra. RLoad = 54 ?CLoad = 54pF30% TB*in p ch chung u ra Voc-13V nhy cm u vo-7V? VCM ? 12V? 200 mVin p ch chung VCM- 7 V12 VTr khng u vo12 k?

RS 485 c kh nng ghp ni nhiu im, v th c dng ph bin trong h thng bus trng. Khong 32 trm c th tham gia ghp ni, c nh a ch v giao tip ng thi trong mt on RS 485 m khng cn b lp.RS 485 cho php truyn ti a gia trm u v trm cui trong mt on mng l 1200m, khng ph thuc vo s lng trm tham gia. Tc truyn c th ln n mc 10 Mbit/s. Tuy nhin mt mng di 1200m khng th lm vic vi tc 10Mbit/s. Tc ny ph thuc vo cht lng cp mng. C th s dng b lp tng s lng trm trong mt mng, cng nh chiu di dy dn ln nhiu ln, ng thi vn m bo c cht lng tn hiu.RS 485 l chun truyn do EIA a ra m kh nng truyn thng a im thc s ch dng mt ng dn chung duy nht, c gi l bus. Cu hnh ph bin nht l s dng hai dy dn cho vic truyn tn hiu hoc ni theo kiu 4 dy.Tt c cc bus RS 485 u yu cu s dng tr u cui ti hai u dy. S dng tr u cui c tc dng chng cc hiu ng ph trong truyn dn tn hiu.5.3 Gii thiu v giao thc USS Protocol5.3.1 iu kin s dng giao thc USSTh vin lnh STEP7 Micro/Win cung cp 14 th tc con 3 th tc ngt v 8 lnh c tch hp trong giao thc USS. Cc lnh USS s dng phng thc sau trong S7 200.- Giao thc USS c thit lp trn Port 0 cho giao tip USS.- 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 vi bin tn ni ring ta khng th s dng port 0 cho bt k mc ch no khc, k c giao tip vi phn mm STEP7 Micro/Win. - Cc lnh USS c to ra chim khong 3600 byte. Tu thuc vo cc lnh m ta s dng, phi dnh ring cho giao thc USS mt vng nh V khong 400 byte.- Cc lnh USS khng c dng trong th tc ngt.5.3.2 Trnh t lp trnh s dng cc lnh USS- t lnh USS_INIT trong chng trnh. Lnh USS_INIT ch nn c gi trong mt chu k qut thit lp hay thay i cc thng s giao tip ca giao thc USS.- t ch mt lnh DRV_CTRL cho mi mt bin tn tch cc trong chng trnh. C th thm vo nhiu lnh USS_RPM_x v USS_WPM_x nu cn thit, nhng ch mt bin tn c tch cc ti mt thi im.- Thit lp cc thng s bin tn ph hp vi tc baud v a ch ca bin tn c dng trong chng trnh.- Ni cp giao tip gia CPU v cc bin tn.5.3.3 Thi gian cn thit giao tipGiao tip vi cc thit b c vng qut khng cng vi S7 200. S7 200 thc hin c vi vng qut th thit b giao tip mi hon thnh. Thi gian cn thit giao tip ph thuc vo s thit b giao tip, tc baud v thi gian qut ca S7 200.Tc baudThi gian kim tra vng ca cc thit b c trn mng1200240 ms (ln nht) x s thit b c trong mng 2400130 ms (ln nht) x s thit b c trong mng480075 ms (ln nht) x s thit b c trong mng960050 ms (ln nht) x s thit b c trong mng920035 ms (ln nht) x s thit b c trong mng3840030 ms (ln nht) x s thit b c trong mng5760025 ms (ln nht) x s thit b c trong mng11520025 ms (ln nht) x s thit b c trong mng5.3.4 S dng cc lnh USS ProtocolTh vin lnh STEP7 Micro/Win cho php iu khin cc b bin tn MicroMaster mt cch d dng bng cc hm lnh c bit c thit k s dng giao thc USS giao tip vi bin tn. Vi lnh USS, ta c th iu khin bin tn v c th c/ghi cc thng s ca bin tn.Cc lnh USS ny nm trong th vin ca th mc Libraries ca cy lnh STEP7 Micro/Win.* Lnh USS_INITLnh ny dng bt thit lp giao thc USS kt ni PLC v (mng) bin tn.Lnh USS_INIT c dng cho php v thit lp hay khng cho php thit lp giao tip vi bin tn MicroMaster. Lnh USS s c thc hin khi khng c li no xut hin. Lnh ny hon thnh th bit DONE c set lp tc trc khi tip tc thc hin cc lnh k tip. Lnh ny c thc hin mi khi u vo EN c thit lp bng 1. Lnh USS_INIT c thc hin mi khi c s thay i trng thi giao tip. Khi giao thc USS c thit lp, giao thc USS s c loi b bng cch thc thi mt lnh USS_INIT mi trc khi c s thay i trong cc thng s giao tip.Gi tr ca u vo USS cho php chn giao thc giao tip. Gi tr 1 cho php dng port 0 cho giao thc USS. Gi tr 0 gn port 0 cho giao thc ppi v loi b giao thc USS.u vo BAUD thit lp tc baud: 1200, 2400, 4800, 9600, 19200 hay 3400 baud.u vo ACTIVE ch ra bin tn no ang c tch cc. i vi MicroMaster th h tr a ch t 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.

* Lnh USS_CTRL.Lnh ny dng iu khin bin tn chy, dng, o chiu v thay i tc .Lnh USS_CTRL c dng iu khin mt bin tn MicroMaster c tch cc. Lnh USS_CTRL t cc lnh chn trc trong b m giao tip. Cc lnh t trong b m c gi cho bin tn c chn trong thng s ACTIVE ca lnh USS_INIT. Mi bin tn ch c mt lnh DRV_CTRL.u vo EN c thit lp bng 1 cho lnh drv_crtl c thit lp (lnh ny lun lun phi c thit lp) Ng vo RUN (RUN/STOP) c thit lp bng 1cho php iu khin bin tn 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 ti tc v chiu nh trc. 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 th mt lnh c gi n MicroMaster gim tc xung cho n khi ng c dng hn.Bit OFF2 c dng cho php bin tn dng ng c nhanh hn. Bit OFF3 c dng MicroMaster dng nhanh chng.Bit F_ACK (Fault Acknowledge) c dng xc nhn li truyn thng trong bin 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 ch ca bin tn MicroMaster m lnh DRV_CRTL iu khin. a ch c gi tr t 0 n 30.u vo TYPE chn loi bin tn. Vi bin tn MicroMaster 3 chn TYPE = 0, vi bin tn MICROMASTER 4 chn TYPE = 1.u vo Speed_SP (speed setpoint) t tc ca ng c di dng phn trm ca tc ti a (-200% n 200%). Gi tr m ca Speed_SP lm ng c o chiu quay.Bit Error l mt byte lu kt qu ca ln giao tip mi nht vi bin tn.u ra STATUS cha trng thi ca bin tn.u ra SPEED lu tc ca ng c di 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 thi cm trong bin tn (0 not inhibited, bng 1 inhibited). xa bit cm th bit FAULT phi c OFF v cc bit vo RUN, OFF2 v OFF3 phi bng 0.u ra FAULT cho bit trng thi ca bit li (0 khng c li, 1 c li). B bin tn s hin th m li. xa bit FAULT th phi sa li v thit lp bng 1 bit F_ACK.* Lnh USS_RPM_x. Lnh c mt thng s t bin tn v PLC.Lnh USS_PRM_x c mt thng s kiu word khng du. Lnh USS_RPM_x hon tt khi MicroMaster xc 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 bo hiu s hon tt. Mt yu cu USS_RPM_x c truyn ti MicroMaster mi chu k vng qut khi u vo EN c thit lp bng 1. V th u vo XMT_REQ nn c cho qua mt b P (b tch sn dng) ch cho php mt yu cu c truyn i mi cnh ln ca u vo EN.u vo DRIVE l a ch ca bin tn MicroMaster m lnh USS_RPM_x c gi i. a ch ny c gi tr t 0 n 31.u vo PARAM xc nh thng s cn c. u vo INDEX l gi tr ch s ca thng s cn c.a ch ca mt b m 16 byte phi c a vo u vo DB_PTR. B m ny c s dng bi lnh READ_PM lu kt qu nhn c t bin tn.Khi lnh READ_PM hon tt thi u ra DONE c thit lp bng 1 v u ra ERROR (kch thc byte) cha kt qu ca vic thc hin lnh. u ra VALUE l gi tr thng s c v.* Lnh USS_WPM_x. Lnh ghi mt thng s t PLC xung bin tn.Lnh USS_WPM_x ghi mt gi tr word khng du vo mt thng s xc nh. Lnh USS_WPM_x hon tt khi MicroMaster xc 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 thi bng 1 cho n khi bit DONE c thit lp bo hiu s hon tt. Mt yu cu USS_WPM_x c truyn n MicroMaster mi chu k qut khi u vo XMT_REQ bng 1. V th XMT_REQ nn c cho qua b P (b tch sn dng) ch cho php mt lnh c truyn i mi cnh ln ca u vo EN.u vo DRIVE l a ch ca bin tn MicroMaster m lnh USS_WPM_x c gi i. a ch c gi tr t 0 n 31.u vo PARAM xc nh thng s cn ghi. u vo INDEX l gi tr ch s ca thng s cn ghi. u ra VALUE l gi tr cn ghi thng s.Khi u vo EEPROM c thit lp bng 1 th lnh ny c ghi vo c RAM v EEPROM ca bin tn. Khi u vo ny b mt i th lnh ch c khi vo RAM ca bin tn.a ch ca mt b m 16 byte phi c a vo u vo DB_PTR. B m ny c s dng bi lnh USS_WPM_x lu kt qu nhn c t bin tn MicroMaster.Khi lnh USS_WPM_x hon tt th u ra DONE c thit lp bng 1 v u ra ERROR (byte) cha kt qu ca vic thc hin lnh.5.4 Kt ni gia PLC v bin tnCch thc kt ni PLC vi bin tn c thc hin nh hnh v sau:Bc 1: Xc nh ngha ca cc chn u ra cng truyn thng PLC. Hnh 4.6 : S chn ca cng truyn thng trn PLC.

Bc 2: Kt ni PLC v bin tn.

5.4.1 Cc tham s v ng cMi ng c c ni vo bin tn th phi ph hp cc thng s nh mc ca ng c vi cc gi tr tham s tng ng trong bin tn. Qu trnh thit lp thng s ng c cho bin tn c gi l qu trnh tham s ha d liu ng c. Vi mi gi tr nh mc c ghi trn v ng c s tng ng vi mt tham s trn bin tn, gi tr cc tham s ny s c ngi s dng nhp vo. Hnh v di y th hin cc tham s ca qu trnh d liu ha ng c. Trong ti ng c c s dng l loi ng c khng ng b nn cc tham s ca bin tn c t nh sau: P0300 = 1: ng c s dng l loi ng c khng ng bo P0304 = 230: Gi tr in p nh mc ca ng c l 230VP0305 = 2: Gi tr dng in nh mc ca ng c l 2AP0307 = 0,37: Gi tr cng sut nh mc ca ng c l 0.37 kWP0308 = 0: Gi tr h s cng sut nh ng c s t ng c tnh tonP0309 = 0: Gi tr hiu sut nh mc ca ng c s t ng c tnh tonP0310 = 50: Gi tr tn s nh mc ca ng c l 50 HzP0311= 1400: Gi tr tc nh mc ca ng c l 1400 vng/phtP0320 = 0: Gi tr dng t ha ca ng c s c t ng tnh ton P0335 = 0: Ch lm mt ng c l ch lm mt t nhinP0640 = 110: H s qu ti ca ng c bng 110% gi tr dng in nh mc ca ng c thng s P0305P1080 = 0: Gi tr tn s nh nht cho ng c l 0 HzP1082 = 50: Gi tr tn s ln nht cho ng c l 50 HzP1120 = 10: Thi gian tng tc l 10sP1121 = 10: Thi gian gim tc l 10s5.4.2 Cc tham s v giao tip ni tip USS c th giao tip c vi PLC S7-200 th bin tn phi c thit lp cc thng s v truyn thng USS. Cc thng s ny c thit lp nh sau:P2010 = 6: t tc Baud cho truyn thng USS l 9600 BaudP2011 = 0: t a ch duy nht cho bin tn MM440 l 0P2012 = 2: t chiu di ca PZD trong mt ln truyn d liu theo khiu USS l 2 t.P2013 = 127: t chiu di ca PKW trong mt ln truyn d liu theo khiu USS c th thay i.5.4.3. Cc tham s lin quan khcP0700 = 5: Chn ngun lnh t USS trn ng truyn COMP0719 = 52: La chn ngun lnh t USS trn ng truyn COM v im t tn s l u vo tng tP1000 = 5: La chn im t tn s l u vo tng t 1(ADC1)

5.4.4.Cc tham s u vo tng t s 1P0756: 0 u vo in p n cc (t 0 n +10 V)P0757: Gi tr x1 ca nh thang ADC (0V) P0758: Gi tr y1 ca nh thang ADC, (0%) - thng s ny biu th gi tr x1 bng a% ca P2000 (Tn s quy chiu).P0759: Gi tr x2 ca thang o ADC (10V)P0760: Gi tr y2 ca thang ADC (100%), - thng s ny biu th gi tr x2 bng a% ca P2000. (Tn s quy chiu)

th th hin cc thng s ca knh ADC

hin th u vo tng t ta s dng t l gia ASPmin v ASPmax. im t tng t ASP t gii t l u vo c th bin i t im t tng t ASPmin n ASPmax c th hin trong P0757(theo t l ADC)vi gi tr ln nht ca ASPmin v ASPmax c mc nh theo t l ca s thp phn 16384Bng s kt hp tham s r0775 vi mt gi tr ca n (im t tn s )l gi tr t l c tnh ton trong MM440Gi tr tn s c s dng tnh ton bng php tnh ca tham s r0775index0(u vo tng t s 1ADC1 )Vi ASPmin tng trng cho cho im t tng t nh nht (gi tr ny tng ng l 0V)Vi ASPmax tng trng cho cho im t tng t ln nht (gi tr ny tng ng l 10V)5.4.5. Thit lp cc tham s cho bin tnTrc khi thc hin kt ni PLC vi bin tn th phi chc chc rng PLC v bin tn c ni vi nhau v cc tham s sau c thit lp bin tn.1. Xa cc yu t thit lp (khng bt buc):P0010 = 30. P0970 = 1.Nu b qua bc ny th phi chc chn rng cc tham s sau phi c thit lp vi cc gi tr nh sau: di USS PZD:P2012 index 0 = 2 di USS PKW: P2013 index 0 = 127.2. Cho php c/ghi truy cp tt c cc tham s: P0003 = 43. Kim tra ng c thit lp cc tham s cho ng c:P0304 = 230_ Di in p ng c (V). P0305 = 2 _ Di dng in ng c (A).P0307 = 0.37_ Di cng sut ca ng c (W).P0310 = 50 _Di tn s ca ng c (Hz).P0311 = 1400_ Di tc ca ng c (RPM).Cc thit lp ny s thay i tu thuc vo ng c m ta s dng.4. Thit lp kiu iu khin:P0700 index 0 = 5.5. La chn ngun lnh t USS trn ng truyn COM v im t tn s l uvo tng t P0719 = 526. Thit lp tn s t USS on COM link:P1000 index 0 = 2.7. Thi gian tng tc (khng bt buc).P1120 = 10(s)8. Thi gian gim tc:P1121 = 10 (s)9. Thit lp tn s lin kt ni tip.P2000 = 50 (h)10. Thit lp thng thng USS.P2009 index 0 = 0.11. Thit lp tc baud ca chun truyn RS485.P2010 index0= 6 (9600baud)12. a ch ca trm t.P2011 index 0 = 0 13. Thit lp thi gian kt thc qu trnh truyn v nhn.P2014 index 0 = 2(ms).14. Chuyn i d liu t b nh RAM n EEPROM:P0971 = 1. (bt u chuyn i) cc tham s thit lp c lu trong EEPROM.5.5 Lp trnh ng dng 5.5.1 Thut ton iu khinDng bin tn iu khin ng c khng ng b 3 pha p ng cc yu cu: Nhn nt THUAN ng c c khi ng theo chiu thun vi tn s t. Nhn DAO_CHIEU_DC ng c c o chiu. Nhn DUNG_NHANH ng c dng nhanh. Nhn DUNG ng c dng vi tn s gim dn t t.Da vo nhng iu kin ban u iu khin ng c ta c th xy dng nn nhng thut ton iu khin ng c khc nhau ty thuc vo yu cu cng ngh t ra.5.5.2 Bng symbol

5.5.3 Chng trnh iu khin

kt lunSau 2 thng nhn n mn hc, chng em tin hnh tm hiu, nghin cu l thuyt v thc nghim thc t di s hng dn tn tnh ca thy ng Quang ng t c kt qu nh sau:1.Tm hiu cu to, nguyn l v cng dng ca bin tn c bit l h bin tn MM 440 ca hng siemen.2.S dng thnh tho bin tn MM440: ci t cc thng s lm vic nhanh v thit lp cc truyn thng c bn nht (BOP, AOP, DRIVER) iu khin ng c theo yu cu nht nh.3.Tm hiu thm v PLC s7 200, b sung nhng kin thc cn thiu v lp trnh iu khin ca S7 200.4.Xy dng c phng php truyn thng gia bin tn MM440 v PLC S7 200 qua giao thc ni tip USS trn ng truyn com.5.Vit chng trnh iu khin ng c khng ng b ba pha c mmem khng i vi nhng yu cu c bn nht c th xy dng nhng chng trnh iu khin vi nhng yu cu phc tp.6.Cng c li nhng kin thc chuyn nghnh nh: t ng ha qu trnh sn xut, lp trnh iu khin, in t cng sut, my in7.Thng qua qu trnh thc hin ti chng em dn lm quen vi cch lm vic c lp cng nh phi hp lm vic theo nhm v dn bit cch t chc cng vic v sp xp thi gian hp l. Tuy nhin, trong qua trnh thc hin ti chng em cng gp nhng kh khn nht nh bn cnh nhng thun li nh:?Thiu th vin lp trnh do th vin lp trnh truyn thng c gi thnh rt cao m iu kin kinh t ca chng em khng p ng c.?Ti liu v lp trnh iu khin cn t.?Thiu kinh nghim, k nng lm vic khoa hc gy nn khng t sai st trong n lm chm tin hon thnh ti v cha t c s ti u trong chng trnh iu khin.Cui cng chng em xin chn thnh cm n thy gio ng Quang ng tn tnh gip , ch bo to iu kin nhm chng em hon thnh ti ny. Chng em xin chn thnh cm n! Nhm SVTH

liu tham kho

1) T ng ho vi Simatic S7-200- Nguyn Don Phc, Phm Xun Minh- NXB Nng Nghip.2) Mng truyn thng cng nghip Hong Minh Sn NXB Khoa hc k thut3)www.ad.siemen.com4) Mt s ti liu tham kho khc