I E840 E841 E842 E844 E1845 E846 E884 E886 E
Digital outputs
I A]60.0 AI60.! A160.7
'IT KOO I K5 I I K}~ KOO I K5 I I K}~ ~ ~-L • I . KJ I Ksi Ml~M~Yl M ') \..fJ (M +K~SI ~_~: SlM Y2. M) K8( .jjlll'~ 1 !' ;{}+EE~ KOT -F3 \ \ +M SlO +M S12, ~'+EE2,~ .-,1 !(!~ -KO KO I \ "'0gl KJ I +M SilL+M-Sl3 \ ! ! \ K02 ={1+EE2 1 ] I "" ~ 'K':'f\: KOI K()~ KO (1 t-_ ----..J
Khoi EB 161 nMn cac tin hi¢u chinh sau : - Aptomat cua phanh da dong FS.
- Trn hi¢u bao d¢ng co s6 I qua nhi¢t FS1(3.6).
- Tin hi¢u bao d¢ng w s6 2 qua nhi¢t FS2(3.6). - Bao d¢ng co s6 1 quay tnii qua tai Fl1(3.6). - Bao de)ng w s6 2 quay tnti qua tai F12(3.6). Kh6i dau ra AB 160 dua ra cae tin hieu di€u khien sau :
- C6ng tac [d dieu khi~n chi~h KOO.
- C6ng tae to' dieu khi~n phanh thUy l,!c KSO(3.2).
- Tin hi¢u khai d¢ng be) bien tAn (ON - OFF).
9.6.3. Nguyen Iy hOQI dc;;ng
Tay dieu khi~n gam mQt b¢ rna hoa chuyen tu dq djch chuycin cua tay di6u khien = 3+KS - SI sang tin hi¢u nht phAn 8 bit va m!)t cam phl,lc v\l cho rale trung gian.
Vi h¢ thong su dl,mg b¢ rna hoa 8 bit nen co th~ coi vi¢c dieD chinh toc dq rift lang. Tin hi¢u di€u khien sau b¢ rna hoa Encoder duqc dUa vao IAn luqt 8 dAu va~ so cua khoi EB2 tu E2.0 den E2.7 va duqc truy6n t6i CPU S7 - 318.
Chu~n b! dlfa h¢ thong vao lam "'i~c :
H¢ thong kh6ng c6 16i, du dao chrnh cua cAn tr\lc = O+EEI - K02(= 0/6.1) d6ng cap nguan san cho m<).ch dieu khien va m<).ch d¢ng ll!c.
Tay dU;u khi~n jJ V! tri 0:
Neu h¢ thong khong co su co tIlc la cac tiep di~m thuang dong trang m<).ch baD v¢ van dong.
- Tiep diem K80(3.S) 6 vi tef "khtll1g".
- Tiep diem = O+EEI - F3(= 017.2) cua aptomat cap di~n cho w cau nang, quay mam dang dong.
- Tiep diem cua ro'le xac nMn khong co 16i trong h~ thong = 0 - EE2 - KO (= 0/34.3) dong.
- Rote dieu khien KOO(3.1) co di¢n dong cac tiep di~m cua n6.
- C6ng tae to' KO(3.6) c6 di¢n dong cac liep diem: KO(3.6) tl! nu6i; KO(3.7) cap ngu6n eho phanh thuy il/e; KO(3.2) tiep diCm phim hoi den PLC bao eho PLC biet eong tic to' KO(3.6) dii co di¢n.
Ml;leh dj(~u khi~n phanh thuy I,!c :
Sau khi eong tac to' KO(3.6) dong cap di¢n eho m<;tch dieu khien phanh thi PLC gui tin hi¢u den ET 200 cap di~n eho KSO(3.2) dong tiep di~m KSO(3.7) cho phep phanh lam vi¢e. Phanh thong lam vi¢e neu role = 0 - EE2 - KOOS mat di¢n day la rale bao tin hi¢u an to~m ve qua tai mb
men, qua tai trQng tfun vai, sIle gio.
Ho~t d(mg :
Gill Slr dua tay dieD khien sang trai (tay dieu khien +KS - SI) qua be) giai mii trn hi¢u (binary coder) dich ehuy~n duqe dua vao CPU - S7 - 381 qua khoi EB2.
Sau khi xu 1y, CPU dl1a ra tin hi¢u dieu khien toi b¢ bien Hin eua co diu quay mam. C6ng tac to Kl dong cae tie"p ditm :
- Kl(1.2) eua m<;teh d¢ng ll;Ce cap ngu6n eho b¢ bien tan .
- Kl(3,6) m~eh dieu khien phanh thuy ll;Ce cap eho hai dQng ca +D - Yl va +D - Y2 giai phong tn,le dQng ca.
D6ng thoi khi keo tay dicu khi~u cam dieu khi~n xoay Hi.m role trung gian K80(3.5). Tiep di~m K80 ma ciit t(o hieu toi ET200.
Tu)' thea do djeh ehuy~o eua tay dieu khi€'n thi tin hi¢u tir CPU gui den dieu khi~n dQ rna Thyristor trang be? bie~n Urn gian tiep thay d6i, urn so caog eao, toc d¢ dmg 16n.
9.6.4. Cae bao vii eua hii thong quay mom
- Boo n? 'II/a tai:
+ Baa v~ qua rai d¢ng c(1 dan d~lllg: DQng ca +D - Ml va +D - M2 hi qua tai rale FJ I, FI2 tae dQog. nhi tiep diem thuang dong Fll(2.1), Fl2(2.4) cat m<;teh di¢o dQog h!e eua d¢ng ca.
+ Bao v¢ qua tai eha dQog ca di¢n phanh thuy h.rc: Neu dong ca di¢o phanh thuy 1"e CO" eau quay mam bt qua tai thl rale nhi¢t F51 hay F52 (co san trong aptomat) se tae dQng cat aptomat F51 hay F52 dan den taan,nweh d9ng life eua d¢ng co mat di¢o.
- Bao 1'1 ngall lnt:;1ch:
+ Ria v~ bang cii"u chi co trang aptomat = O+EEI - F3: Khi ngan m';leh xiiy ra toan bq co cau quay mam mat di~n.
+ Ne"u dQng ca phanh thuy ll;Ce bi ngan m~ch, role bilO v¢ qua dong trang aptomat «5 cat baa v¢ m~ch dQng lue eua phanh.
- Boo I'¢ qua II/11ft:
Cae nhi¢t dien tra duqc d~t trang cae eu¢n d,ly stato eua dQng ca nen khi nhi¢t do eu¢n day qua mue d~t thl wle bila v¢ co di¢n, tuy thea d¢ng co nao bt qmt nhi~t mol role nhi~t «511 hay F512 co di¢n nhii tiep diEm thuang dong F511 hay F512 gui den PLC qua khoi ET 200. PLC xu 19 va gui tin hi¢u cat dien eong Ule tC1 Kllam toan b¢ h¢ thong mat di¢n dong thoi den 0 buong dieu khi€'n se baa.
9.7. TRANG B! DI~N - DI~N TU CO CAU 01 CHUYEN
Ca cau di ehuy~n g6m 4 nh6m di?ng CC1 duqe d~t (; 4 eMn eua can tr!,le. cae d9ng Cd
truyen dQng (dQng CC1 di bQ roro long soc) duqe cap ngu6n tir bien tiin SIM. Khi din djeh ehuy€n cAn try.c den vi trf nilng h<;l hang ng.uai dieu khi6n tae dong van tay trang M dieu khi€:n dteh ehuy~n co cau tuy thea yeu du (sang trai hoae sang. phai).
MQt so thOng so CC1 ban ella CC1 cau di ehuy~n: - DQng co truyen dQng c6 eong e6 P~m = 7 x 7,5 kW. - Toe dQ di chuy~n V= 32 m/ph.
-Ty s6 truyen i = 44,44. - Momen ham =150 N.m.
9.7.1. Sd do difin nguyen Iy cue Cd c6u di chuy~n
Co cau di chuy~n cua hQ dn trl,IC chan d€ TUKAN duqc gioi thi¢u trong cae bim ve ella nhom == 5 Trong (~P ban ve lAp nip, ta co the thi€t l(l.p so do di¢n nguyen 15' tren hloh 9.18 den 9.22, lfOng do: So do nguyen 15' ffi<;lch d()ng il!c duqc bi€u dien tren hloh 9.18 den 9.21, sO do nguyen Iy m<.lch dieu khi€n va tin hi¢u duqc bi€u dien tren hloh 9.22.
Chuc nang cae philo tir
- +P - MI, +P - M2, +P - M3, +P - M4, +P - MS, +P - M6, +P - M7: Qie dQng cO
truy~n d¢ng.
- +P - Yl, +P - Y2, +P - Y3, +P - Y4, +P - YS, +P - Y6, +P - Y7: Cae phanh di¢n tu cua cae dQng co truyen dqng chfnh.
Kl(S.4): C6ng t:i.e to chfnh dong nguon cap cho ffi';lch d¢ng il,l'c. K5(S.6): COng lac to I pha dong cap nguon cho phanh thuy il!c. 6SE70: B¢ bie'n tAn gian tiep dieu chinh dO [(,log xung PWM. A30: BQ dieu khi€n ham lam min toc d¢ d¢ng ca.
KO(5.6): C6ng tic ta chinh ca'p nguon dong cho m~ch dieu khie;n.
K80(5.5): C6ng tAc to trung gian, co di¢n khi lay di~u khi€n a vj trf "0". COng dc ta nay c6 nhi¢m VI,l b,'LO v¢ 0 khi h¢ thong rn:ft di¢n lrang thoi gian lam vi¢c.
- F511(5.2) va F512(5.2): Rale nhi¢t c6 nhi¢t dien tra d(U trang cU9n dAy Stato khi dQng
ca b~ qua tai n6 se rna tiep di~m trong m~ch bao d<)ng va bao v¢ d(lOg co & rn~ch clla dQng ca
phanh.
- FlI(2.2), Fl2(2.5), F13(3.2), F14(3.5), F15(4.2), F16(4.5), F17(4.7), Role nhiet baa vo qua nhi¢t a m~ch d¢ng l,!c clla bay dQng ca truy~n d¢ng chfnh.
- F51(2.3), F52(2.7), F53(3.3), F54(3.7), F55(4.3), F56(4.6), F57(4.8), cae aptamat sir dl.lng rale nhi¢t. bao v¢ qua dong d~t tren rn~ch dqng h,rc dQng co phanh.
- HI: Dong hel dern thOi gian Hun vi¢c clla ca ca'u. - K05 - K08: Giarn sat phanh 1 d€n phanh 7.
- K09: Giarn sat chung cii 7 phanh, 1 phanh c6l6i thi K09 se rna't di¢n.
- M~ch giao tiep ET 200 c6 nhi¢m VI,l truyen dii li<;u giiia CPU S7 - 318 va rn~ch di~u
khi€n ca Call di chuy~n nhu sau:
PS AS 0 I 2
SITOP IMI53 DE DE DA
2A EB200/EB20 I EB204/EB205 AB200/201
16V-24V 16V - 24V 16V ·24V
Khoi SITOP c6 nhi¢m V1,l cap ng1l6n 24 V DC.
Khoi 1M 153 - 1 dua tin hi¢u giao tiep vai rn~ch dieu khi~n clla ca Call Him v6i.