CHNG 5

CHNG 5

THIT LP D N TRN NN SIMATIC PCS 7

5.1 Cc bc c bn thit lp mt d n:5.1.1 Giai on lp k hoch:

5.1.2 Thc hin d n:

5.2 Thit lp d n:

Trong phn ny gii thch cc ng dng c bn trn ES vi nhng phn mm thnh phn mang tnh cht cp bc (HP: Plant Hierarchy) v cc vn v IEA (Import/Export Assistant) v mi quan h gia nhng thnh phn trong ES .

5.2.1 Phn mm ES trong SIMATIC PCS 7:

Vi nhng phn mm cn thit trn h thng ES thuc gi phn mm SIMATIC PCS 7, bn c nhng cng c (tool), vi nhng cng c y bn c th to cu hnh nh my mt cch ton din. l nhng phn mm sau y:

- Phn mm STEP 7:

Bao gm SIMATIC Manager, phn mm ny lm nn tn v l trung tm qun l cho tt c cc thnh phn ca ES. y l hnh nh sinh ng ca ngi s dng trn giao din ca Windows NT thng c s dng qun l cc d n ca nh my.

- Bn cu hnh tt cc thit b s dng trong h thng nh: Cc rack ca cc PLC, cc m un vo/ra, cc m un giao din, cc trm PC bng Hardware Configuration (HW Config.).

- PH v IEA:

PH v IEA l nhng gi thuc PCS 7, chng khng phi tch bit vi cc ng dng trn m chi m rng hn trong phm vi ca SIMATIC Manager. PH v IEA h tr cu hnh din rng ca qu trnh iu khin v qun l d liu ca nh my.

- CFC (Continuous Function Chart):CFC l gi phn mm nh hng cho nh my, cu hnh cc ha ca tc v t ng ha. S dng CFC thng qua cc khi c to sn (y l gi phn mm lp trnh c cu trc). Cc khi c qun l theo nhm ty theo chc nng ca chng trong th vin, thc hin lp trnh bng cc ng t ko/th.

- SFC (Sequential Function Chart):L gi phn mm c cu hnh cho h thng iu khin tun t. vi h thng iu khin tun t, chc nng t ng ha tiu c s l c iu khin trn s thay i trng thi v cng c th chn lc t qu trnh.

- Phn mm cu hnh cho OS:

WinCC c s dng cho vic cu hnh cho h thng iu khin v gim st nh my trn nn PCS 7. Vi phn mm ny, bn c th to ra bc tranh qu trnh, cc bo co, cc thng bo v h thng, th tn hiu, nht k vn hnh.

- SCL (Structured Control Language):y l ngn ng lp trnh ging v Pascal lp trnh cho nhng tc v phc tp. Trn ES, n c s dng to ra cc khi v bin dch cc yu cu ca CFC/SFC chart.

5.2.2 S tc ng qua li gia cc thnh phn:

Phn ny cung cp cho bn mt cch nhn tng th v s tc ng qua li gia cu hnh ca h thng cp bc ca nh my, CFC chart, IEA v SFC chart trn OS. - H thng cp bc ca nh my (PH):

ng dn ca PH vi tn ca th v tn khi l c chuyn i ti nhng text block "origin" (khi ngun di dng text) vi s chuyn i ca vic kt ni d liu gia PLC-PC. T y s xut hin cc dng thng bo (message) trn OS run-time. Tn tag trn trnh qun l tag ca WinCC Explorer lm cho chng ta d dng qun l v quan st PH, tn th, tn khi, tn cc gi tr khc. Nu bn mun kt ni mt i tng vi mt tag qu trnh trn bc tranh qu trnh hoc nht k vn hnh, bn phi ch r tn tag t trnh qun l tag. - CFC (Continuous Function Chart):Ring mi kiu khi (v d khi CTRL_PID) l c lu tr trong th vin hoc chng trnh ca STEP 7. Mi khi bn sao chp nhiu khi ra t nt khi ban u th bn phi t cho cc khi y c cc tn hnh thc khc nhau. Thuc tnh ca mt i tng trong CFC chart, bn ch r cc message ca khi v kch chut vo cc biu tng message . Vic kt ni d liu c hin th cc message trn OS trong sut qu trnh OS hot ng (run time). Trong sut qu trnh lm vic, mt tag c iu khin v gim st lin tc thng qua th tc chuyn i (transfer) d liu lin tc gia OS v PLC. Cc gi tr nhn c t qu trnh c th c lu tr trong cc tag ni (internal tag) trn trnh qun l tag ca OS, iu ny s ng ngha vi vic cc dng text s c gim bi tr nhng text ang chuyn i v hin th trn bc tranh qu trnh. - IEA (Import/Export Assistant):

Vi IEA, bn to t ng cc chart v cc khi thuc tnh. Bn c th ty chn nhng message c c im k thut ph hp to d liu cho vic import (nhp ni dung). Nhng message sau khi xut hin ti nhng im thch hp trn i tng ca khi v c chuyn i (transfer) ti OS m t cho CFC.

- SFC (sequential control system ):Trn SFC chart, bn xem xt cc thng s ca ca cu hnh CFC trc y trn SFC chart. Nhng cng trnh s (nhng ngi xy dng nn mt cu hnh tng th) to ra nhng yu cu theo tng bc, chuyn i v n nh cng ngh v nh hng cho tn ca cc i tng. Vi cu trc ca CFC chart theo tng bc v cc im chuyn i (xem phn 4.2.6) trong s trn OS c chuyn i (transfer) d liu kt ni gia OS v PLC (s hot ng chng ta c th quan st c s chuyn i trng thi thng qua s chuyn i mu sc trn CFC). - Chuyn i d liu kt ni gia PLC v OS (Transferring PLC-OS Connection Data):Khi nim ny tng i phc tp, mt h thng lm viu gn kt thnh mt khi thng nht v ng b th cn phi c vic chuyn i d liu cu hnh lin tc mi khi cu hnh hay thng s ca h thng c s thay i, c bit l gia h thng cc PLC v h thng cc OS. D liu kt ni gia PLC v OS phi c chuyn i trong nhng tnh hung sau: Sau mi khi thay i h thng cp bc ca nh my (PH) Sau mi khi thm cc chart mi v ch nh tn cc CFC chart

Sau mi khi thm nhng khi i tng mi v thay i tn khi

Sau mi khi thay i cc n v text thuc v bn cht ca qu trnh vn hnh

Sau mi khi thay i thuc tnh ca cc i tng c iu khin v gim st

Sau mi khi thay i cc message Sau mi khi thay i hoc l thm cc SFC chart

- c lng cc thnh phn yu cu ca mt nh my:

iu quan trng u tin trc khi bt tay vo thit k mt h thng t ng cho mt nh my, bn phi t ra cc k hoch hay cc phng n m cc phng n da trn c s l qu trnh vn hnh nh th no, da vo y bn c th c lng c s OS; mc , tc , khong cch v s trm tham gia kt ni t bn c th c lng c bus h thng s dng l nhng bus no; xc nh s lng v v tr t cc b iu khin trung tm, s lng cc m un vo ra tp trung v vo ra phn tn hay yu cu iu khin xc nh loi m un phi c tnh ton rt k. Ngoi ra bn cn phi da vo kch c ca d n, yu cu ca khch hng, tnh sn sn hay ni cch khc l h thng c tin cy cao, iu kin v v tr ( cao) v mi trng xung quanh v tr d nh lp t, tnh nng p ng hay tnh nng thi gian thc.

Ni chung cng vic tch hp mt mng truyn thng cho mt nh my l mt cng vic kh khn v phc tp, i hi ngi thit k khng nhng am hiu su sc v mt k thut trong cc h thng t ng, am hiu v cng ngh m cn phi ty chn da trn nhiu phng n v tiu ch khc nhau a ra mt cu hnh va ti u v ch cc tiu k tht v kinh t.

- Nhng yu cu cho mt d n:

Khi bn mi bt u cu hnh cho mt d n, iu u tin bn nn phn tch nhng yu cu c bit ca d n, bn chc chn rng tt c nhng kha cnh v nhng iu kin c suy xt n trn nhng c s trit l v hiu qu v mt cu hnh.

Trong sut qu trnh cu hnh, c rt nhiu khi v kiu khi khc nhau trong th vin ca bn. V vy bn phi chc chn rng ch c mt version ca phn mm s dng cu hnh cho h thng trong sut qu trnh xy dng d n. Nhng kiu khi lp trnh khc nhau s dn n s xung t nu chng trnh ca bn c iu khin v gim st trn cng mt OS.

5.3 Cu hnh phn cng (Hardware Configuring):Cu hnh mt trm l vic th hin ton b cu trc ca trm . Vi cu hnh phn cng, bn ch nh r s ca cc rack, s lng rack v n nh a ch ca cc khe cm (slot) ty theo cu trc thc t ca trm. Bn cu hnh tham s cho cc m un vo ra tp trung v cc m un vo ra phn tn. Khi b iu khin kh lp trnh bt u khi ng th vic u tin l CPU phi thc hinn so snh cu hnh qun l bn trong h iu hnh ca CPU vi cu hnh thc t ca phn cng c lp t cho trm. Nu c s tng phn th CPU s tm ngay lp tc v thng bo s c bo hiu v ng nhin l h thng s khng th tip tc hot ng thm na. 5.3.1 Gii thiu phn mm NetPro - Configuring Networks:Phn mm ny c gii thiu s lc chng 4.2.11. Trn phn mm ny, chng ta c th cu hnh cho tng trm n l nh S7-300, S7-400, OS, ES v lin kt cc phng t trn li vi nhau thng qua cc bus truyn thng l Ethernte, Profibus, MPI hay AS-i

- Khi ng phn mm: Start > Simatic > STEP 7 > NetPro - Configuring Networks.

- To mi mt d n:

Vic to mi mt d n khng th tin hnh trc tip trn phn mm ny c, v vy bn phi tin hnh theo cch sau:

+ Khi ng phn mm SIMATIC Manager: Start > Simatic > SIMATIC Manager + To Project mi: File > New, mt hp thoi xut hin, trn hp thoi ny bn c th chn cc kiu Project sau: User Project (d n n), Libraries (th vin) hay Multi-Project (nhiu d n). Nu bn chn User Project th kiu ca d n trong hp thoi s hin th tng ng l Project, t tn cho d n ca bn vo Name, v d SAMPLE,sau chn OK. Project s xut hin cc biu tng hnh 5.4. Nh vy SAMPLE chnh l d n c s dng cho vic lu tr d liu v chng trnh c to ra khi bn to m gii php t ng trong gii hn cho php. D liu ca bn lu tr trong SAMPLE bao gm:

D liu cu hnh cho phn cng v d liu n nh cc tham s cho cc m un.

D liu cu hnh mng truyn thng.

Chng trnh ngi dng (cc m un chng trnh tng ng trong cc khi chng trnh).

Nhim v chnh khi to mt Project l chun b nhng khi d liu v khi chng trnh.

Vic bn cn lm tip theo l thit lp cu hnh cho d n ca bn trn phn mm NetPro - Configuring Networks. C hai cch khi ng phn mm ny:

T trnh Start (xem hnh 5.1). Kch p chut tri vo biu tng MPI(1) trn hnh 5.4 (y l biu tng lin kt n phn mm cu hnh).Di y l giao din ca phn mm cu hnh cho mng truyn thng mi cp cng nh cu hnh cho tng thnh phn trong mng .

Phn bn tri chnh l bc tranh cu hnh m bn mun to, phn bn phi l th vin cc thit b thnh phn v cc mng thnh phn (hay cn gi l subnet), thng thng phn th vin c mc nh, nu khng c bn m n bng cch View > Catalog. Khi d n ca bn va c to, phn mm mc nh mt subnet MPI c tn l MPI(1) phn bit vi cc MPI tip theo m bn s to. Cng ni thm rng, bn c th dng subnet MPI, Ethernet hay Profibus lm bus h thng nhng mi subnet c to ra s dng cho nhng ng dng ring bit tn dng ti a hiu sut ca ng truyn cng nh chi ph lp t v bo dng, trong : Industrial Ethernet l chun quc t (IEEE 802-3) s dng cho truyn thng cng nghip thit b cp iu khin trong phm vi nh nh mng LAN hay mng din rng WAN.

MPI (Multi-Point-Interface) l chun c Siemens to ra kim tra v chun on h thng v lp trnh cho cc PLC S7.

PROFIBUS l chun quc t (EN 50170) kt ni mng thit b cp hin trng v mng din hp, t trm tham gia.

Mng PTP (Point-To-Point) l chun c Siemens to ra theo mt giao thc c bit truyn gia hai nt (node) vi nhau.

Ngoi ra cn c AS-i nhng khng hin th trong ny v n l mt subnet con m ch (master) ca n l cc m un gn vo cc PLC S7 hay b chuyn mng Profibus-DP sang AS-i.T y bn c th t nhng trm thnh phn hay cc subnet theo cch no l ty vo d nh ca bn. V d bn cu hnh cho mt trm PLC S7-300 loi CPU 313 v m un ngun PS 307 10A:Kch chut tri vo biu tng SIMATIC 300 trong th vin, ko v th vo trong phn nn tri, xem hnh bn di.

y mi ch mc nh cho trm S7-300 nhng cha c th l CPU loi no, bao nhiu rack, m un ngun, m un m rng, m un giao din, m un truyn thng cu hnh cho trm ny bn tip tc kch p chut tri vo biu tng SIMATIC 300(1) s xut hin giao din cu hnh ring cho trm ny, xem hnh 5.7. Giao din ny cng tng t nh giao din thit lp mng nhng n c s dng thit lp cu hnh cho tng tthnh phn trong mng nh: OS, ES, Server, PG, PLC S7-200, S7-300, S7-400, cc m un phn tn ET200 Bn tri l bc tranh cu hnh m bn mun to, phn bn phi l th vin cc thit b thnh phn c thit k sn, thng thng phn th vin c mc nh, nu khng c bn m n bng cch View > Catalog. Trong mc Profile, bn c th chn 3 dng th vin khc nhau m trong c th b i hoc b sung thm nhng thnh phn tng ng ty theo ng dng ca bn, trong th vin Standar l th vin c y cc thnh phn nht. y bn ch rng, bn chn cu hnh cho trm S7-300 nn bn phi chn cc thnh phn thuc th muc SIMATIC 300 trn cy th mc ca th vin. u tin bn phi t rack trong tm (mc nh (1) UR) trong th mc RACK 3, kch chut vo biu tng Rail v ko th vo phn giao din bn tri, xem hnh 5.8. Mi rack c ti a 11 slot, slot s 1 l v tr duy nht cho m un ngun PS, slot 2 cng l v tr duy nht dnh cho m un CPU, xem hnh 5.9. Phn cu hnh c th cho trm S7-300 s ni k hn phn 5.3.2.

n y d n ca bn c cu hnh, trc khi thot khi chng trnh ny bn phi thc hin lu v bin dch (save and complie) kim tra li trc khi thot. Lc ny, d n t ng thm vo th mc d n SAMPLE ca bn nh hnh sau:

SAMPLE Project lc ny bao gm mt trm SIMATIC 300 vi CPU 313 v mt subnet MPI. Bn trong SIMTIAC 300 cha ng cu hnh phn cng ca trm (Hardware) v S7 Program. Nh vy phn mm NetPro - Configuring Networks c s dng to ra tt c cc cu hnh lin quan n phn cng ca h thng mng tryn thng. i su vo vic cu hnh cho tng thnh phn i hi ngi tch hp h thng phi nm bt c nguyn tc cu hnh cho tng thnh phn (v d nguyn tc cu hnh cho S7-300, S7-400,). Cc vn ny s c trnh by mc 5.3.2.5.3.2 Cu hnh ca mt trm:

Nhng vic u tin khi bt tay vo xy dng cu hnh cho mt trm i hi bn phi n nh a ch cho trm v cc a ch thnh phn nh mng MPI, Profibus hay Ethernet v mt iu na l phi ch ti a ch cao nht cho php cu hnh cho cc trm trong mt mng con (subnet) no . S bn di s cho thy mt cch quan v vic cu hnh cho mt d n:

Bn cu hnh cho bt c trm S7-300, S7-400 no i hi vic u tin bn phi thit lp cc rack trc. S7-300 s rack ti a cho mt trm l 4 v c a ch ha t (0)UR n (3)UR. S7-400 th phc tp hn, c vi loi rack v s lng cng nhiu hn ty loi CPU. Nh vy rack l thnh phn lp t cc m un ln , xem hnh v d sau:

C th xem xt cc thng s ca thit b trn rack nh: v tr slot, tn cc m un thnh phn, m s t hng, a ch mng, a ch ca cc vng nh nh vo ra s v vo ra tng t. V d cc tham ca cc m un trong rack ca S7-400:

5.3.2.1 Cu hnh cho trm S7-300:Cc nguyn tc trong vic thit lp cu hnh cho S7-300:

Mt trm PLC c hiu l mt m un CPU ghp ni cng vi nhiu m un khc, m un u c mt a ch (ngoi cc m un CP) l a ch ca cc slot, m un CPU dng a ch ny truy cp v qun n tng m un. Mt m un CPU c th qun l c ti a l 4 rack (t rack 0 n rack 3) vic thm cc rack trm s khng c CPU chp nhn. Mi rack ti a 8 m un m rng. Nguyn tc cu hnh rack S7-300:- Rack 0: Slot 1: ch c m un ngun cung cp hoc trng

Slot 2: ch c m un CPU

Slot 3: m un giao din (m un qun l rack) hoc trng

Slot 4 n slot 11: m un tn hiu (v d m un vo ra s, vo ra tng t), m un chc nng (v d m un iu khin v tr, m un PID), m un x l truyn thng mng CP hoc trng. - Rack 1 n rack 3: Slot 1: ch c m un ngun cung cp hoc trng

Slot 2: trng

Slot 3: m un giao din

Slot 4 n slot 11: m un tn hiu, m un chc nng hay m un truyn thng ty thuc vo m un giao din c chn

Cc rack kt ni li vi nhau thng qua m un giao din qun l mi rack, trong rack 0 l rack trung tm , cn rack 1 n rack 3 l rack m rng. Ch c m un c chc nng gi nhn ch ng mi a vo slot s 3 trong rack trung tm, cn cc m un gi nhn th ng th t vo slot th 3 trong cc rack cn li. V d bn di th m un IM 360S ch c t vo slot 3 trn rack trung tm v IM 360R th t vo slot 3 trn cc rack cn li. i vi m un 365S-R, ch c ti a 2 rack l 1 rack trung tm v mt rack m rng (c hai u s dng 365S-R vo slot s 3). C mt s CPU ch cu hnh duy nht mt rack trung tm (v d CPU 313).Di y l cu hnh cho mt trm S7-300 y , vic thao tc trn phn mm cu hnh NetPro - Configuring Networks trnh by phn 5.3.1. Do vic to mt Project mi s khng c nhc li. Trong v d sau, bn cu hnh Project SAMPLE_FULL s dng CPU 314 vi 4 rack:

Trm S7-300 sau khi c cu hnh:

Ngoi ra bn cng nn bit v nguyn tc slot cho cc m un c bit nh: Dummy (DM 370 Dummy), m un Digital Simulation (SIM 374 IN/OUT 16), M7-300:Nguyn tc c bit cho m un Dummy (DM 370 Dummy): M un DM l mt m un bn c th chn vo thay v mt m un no m sau ny bn s d nh s dng.

Ty thuc vo ci t switch, m un c th hoc khng th dnh ring khng gian a ch. V d khng gian a ch l c dnh ring cho m un vo s v ra s nhng khng th cho m un giao din.

Nguyn tc c bit cho m un m phng (SIM 374 IN/OUT 16):

M un m phng s SIM 374 IN/OUT 16 c s dng m phng u vo v ra s. Bn khng th tm thy m un ny trong catalog phn cng (Hardware catalog) ca window. Bn phi thay th m un m bn mun m phng vo trong bng cu hnh thay thay v SIM 374.

Ci t switch trn m un SIM 374 IN/OUT 16M s m un

16xOutput6ES7322-1BH00-0AA0

8xOutput 8xInput6ES7323-1BH00-0AA0

16xInput6ES7321-1BH00-0AA0

Nguyn tc c bit cho M7-300:

Khi bn cu hnh cho nhm m un M7-300, mi m un trong nhm chim gi mt slot. Nu m un u tin ca nhm m un l mt CPU M7-300 th slot k tip sau nhm m un c th ch b chim gi bi mt m un giao din ca n hoc l trng.

Nhm m un M7-300 l hnh thc ha khi m un m rng EXM (expansion module) hoc hay m un MSM (mass-storage) c s dng cho vic m rng mt M7 CPU hoc mt M7 FM (function module). Tt c cc m un trong nhm m un l c kt ni vi mi bus AT-ISA, my tnh t ng ha.Gii hn nhng m un trong nhm m un M7 tun theo nguyn tc sau:

M7 CPU hoc M7 FM lun l m un u tin ca nhm. M un mass-storage ch c th chn vo nhng v tr tip theo trong gii hn ca nhm.M7 CPU v M7 FM khng th m rng nhiu hn 3 m un (MSM hoc EXM).5.3.2.2 Cu hnh cho trm S7-400:5.3.1.2.1 Nguyn tc cho vic gii hn s m un:Nguyn tc cho vic gii hn s m un trong rack l ty thuc vo kiu ca rack c lp t. Khc vi S7-300 ch c mt loi rack chung cho cc kiu CPU, S7-400 c nhiu loi rack hn v c mt s rack ch c dng ring cho mt s CPU nht nh. Rack ca s7-400 c hai loi: 9 slot v 18 slot.- Nguyn tc cu hnh cho rack trung tm: Slot 1 ch c chn vo m un ngun (ngoi tr m un ngun vi nng lc d phng). Chn ti a 6 m un giao din (send IM), khng nhu hn hai ngun truyn (power transmission). Kt ni ti a 21 rack m rng n cc m un giao din trn rack trung tm

Khng c kt ni nhiu hn mt rack m rng vi ngun truyn (power transmission) ti mt giao din send IM (IM 460-1 i i vi IM 461-1). Kt ni mt lng ti a 4 rack m rng ngoi tr ngun truyn (IM 460-0 vi IM 461-0 hoc IM 460-3 vi IM 461-3).- Nguyn tc cu hnh cho rack m rng:

Ch c chn m un ngun cung cp vo slot 1. Ch chn m un giao din nhn (Receive IM) vo slot tn cng bn phi (slot 9 hoc 18). M un truyn thng bus ch nn chn vo rack m rng vi mt lng khng vt qu 6 m un (ni cch khc, chng khng th c c a ch nu s lng ln hn).- Nguyn tc c bit cho vic cu hnh vi m un ngun vi nng lc d phng (redundant):

M un ngun cung cp vi nng lc d phng c th c chn vo trong mt rack i. Nhng m un c th c cng nhn bng ngng thng tin di dng vn bn trong Hardware Catalog

Bn nn xem xt nhng nguyn tc sau:

N ch c chn vo nhng m un ngun vi nng lc d phng trong nhng rack d nh cho mc ch ny.

M un ngun vi nng lc d phng ch c th c vn hnh khi i km vi cc CPU c thit k cho mc ch ny; Nhng CPU khng ph hp s khng th nhn ra trong qu trnh cu hnh.

M un ngun vi nng lc d phng phi c chn vo slot 1 v slot k tip n (khng cho php trng).

M un ngun khng c nng lc ny s khng c php chn cng chung rack.

5.3.1.2.2 Cch cu hnh cho rack trung tm:- Gii hn cho rack trung tm:

La chn rack trung tm thch hp trong th mc rack cho cu hnh ca bn t th vin phn cng ca Netpro., trong th mc ny c cc rack sau:

Hai rack CR2 (Central rack):

CR2(1) c thit k cho chc nng rack trung tm vi 18 slot c chia lm hai on: 10 slot v 8 slot; ngoi ra rack ny thch hp cho chc nng d phng cho ngun cung cp.

CR2(2) c thit k cho chc nng rack trung tm vi 18 slot c chia lm hai on: 10 slot v 8 slot.

Rack CR3:

c thit k cho chc nng ca rack trung tm vi 4 slot; khng th lp m un ngun theo c ch d phng.

Hai rack ER1(Expansion rack):

ER1(1) c thit k cho chc nng ca rack m rng vi 18 slot, ch cho nhng m un SM (P bus), khng thch hp cho chc nng d phng cho ngun.

ER1(2) c thit k cho chc nng ca rack m rng vi 18 slot, ch cho nhng m un SM (P bus).Hai rack ER2:

ER2(1) c thit k cho chc nng ca rack m rng vi 9 slot, ch cho nhng m un SM (P bus), khng thch hp cho chc nng d phng cho ngun.

ER2(2) c thit k cho chc nng ca rack m rng vi 9 slot, ch cho nhng m un SM (P bus).

Hai rack UR1 (Universal rack):

UR1(1) c 18 slot, khng thch hp cho chc nng d phng cho ngun.

UR1(1) c 18 slot.

Hai rack UR2 (Universal rack):

UR2(1) c 9 slot, khng thch hp cho chc nng d phng cho ngun.

UR2(1) c 9 slot.

UR2-H:

c thit k cho chc nng ca rack trung tm vi 2 x 9 slot, tch bit v ng bus backplane, ph hp cho chc nng chun v chc nng d phng (redundant).

Bng thao tc ko v th rack vo trong phn form thit k bn tri, rack s xut hin trong form ny.

5.3.1.2.3 Cch cu hnh cho rack m rng:

Tt c cc rack m rng c kt ni ti m un giao din gi send IM trn rack trung tm dng cascade.Mi mt nhm gm 3 rack m rng c kt ni n 1 m un giao din gi IM rack trung tm.- Nguyn tc kt ni rack m rng: Nu bn kt ni rack m rng ti mt m un giao din (send IM) ca rack trung tm phi xem xt nhng vn sau: Ngun truyn

Kiu lin kt (tp trung/phn tn)

Bus truyn thng - Gii hn rack m rng: La chn rack m rng t th vin phn cng. C th thay i gi tr n nh cho rack bng cch kch p chut vo thanh trn cng ca bng, sau t li gi tr trong phn Rack no. ca hp thoi General. n nh m un vo cc rack, iu cn lu l cc rack phi tng thch vi nhau v cc m un giao din phi c chn vo cc rack. To nhng kt ni gia nhng m un giao din trong cc rack:+ Kch p chut vo m un giao din gi send IM

+ La chn Connect tab

Tab ny cho php tt c cc rack khng c kt ni

+ La chn nhng rack c lp v s dng nt Connect cho vic kt ni chng ti cc m un giao din send IM (C1 v C2 trn hnh 5.18).

Sau y l th d m t qu trnh cu hnh cho rack trung tm v cc rack m rng trn trm S7-400 CPU 414-1:1. Bn to mi mt Project c tn SAMPLE S7-400, cch tin hnh nh phn 5.3.1:2. Kch p chut tri vo biu tng MPI(1), xem hnh 5.19, Ko v th trm SIMATIC 400 sang phn giao din bn tri:

3. Kch p chut tri vo biu tng SIMATIC 400(1) nh hnh 5.20, ko v th rack trung tm CR2 vo phn giao din bn tri. Ko v th cc m un cn thit nh: m un CPU 414-1 (trong th mc CPU); m un ngun PS 405 10A (trong th mc PS/Standar) vo slot 1 ca rack trung tm; m un giao din gi IM 460-0 vo cc slot 3, 4, 5, 6, 7, 8 (ti a 6 m un IM on 1 ca rack), lm tng t cho on 2 (nu cn thit), xem hnh 5.21.

4. Ko v th cc rack m rng ER1:

5. t cc m un giao din nhn IM 361-0 vo v tr tn cng (slot c ch s ln nht) ca rack m rng:

6. Nh trn hnh 5.23, cc rack m rng cha c kt ni ti m un giao din trn rack trung tm. kt ni, bn kch p chut ln m un giao din tng ng trn rack trung tm, trong trng hp ny mt m un giao din IM 460-0 ti Slot 3 l c chn, hp thoi properties s xut hin, xem hnh 5.24.

Bn c th kt ni cc rack m rng vo v tr C1 hoc l C2.

Trn hnh 5.26 cho chng ta thy, mi m un giao din IM 460-0 c th qun l ti a 8 rack m rng. C tng t nh vy, bn c th kt ni n ti c cc nhm rack m rng t cc m un giao din trn rack trung tm. Xem hnh 5.27:5.3.2.3 Cu hnh cho cc m un vo/ra phn tn trn subnet Profibus-DP:Phn ln cc h thng T ng ha cn n nhng kt ni vi cc m un vo/ra phn tn theo nhng kin trc (topology) phng thc (phng thc trao i d liu) khc nhau. Do trong phn ny, s cp c bn nhng kiu kt ni m thc t i hi.

M un vo/ra phn tn cp n h thng master, h thng ny bao gm DP master v DP slave. Tt c cc thnh phn ny c kt ni vo bus theo chun giao thc l Profibus-DP. - i vi h thng c DP master l cc giao din DP ca S7-300 th cc DP slave l cc m un phn tn ET200 hay cc thit b trng khc c giao din DP- i vi h thng c DP master l cc giao din DP ca S7-400 th cc DP slave l cc m un phn tn ET200 hay cc thit b trng khc c giao din DP v I slave (Intelligent slave) l cc S7-300 c giao din DP c tch hp sn(315-2DP, 316-2DP, 318-2DP) hay S7-300 c thm m un CP 342-5.5.3.2.3.1 Cc phng thc trao i d liu ca h hng DP master:Cu hnh vi Simple (Modular hay Compact) DP slave theo cch trao i d liu slavemaster:Trong cu hnh ny, d liu trao i gia DP master v cc Simple DP slave (ngha l cc DP c cu hnh v chc nng n gin). D liu c th truyn t cc a ch vo trn DP slave n DP master v nhn t DP master xut trc tip ra u ra ca DP slave. i ch vo/ra trn cc m un DP slave c n nh mt cch t ng bi phn mm cu hnh. y l cu hnh tng i n gin bi v cu trc mt ch lin kt vi nhiu t thng qua mt subnet Profibus-DP.

Cu hnh vi DP salve thng minh (I slave) theo cch trao i d liu I slavemaster:

Bn c th chia nh h thng t ng ca bn thnh cc tc v nh (subtask) m nhng tc v y c iu khin bi nhng tc v ca b iu khin lp trnh (PLC) cp cao hn. Nhng tc v iu khin ny c th c hon thnh mt cch c lp vi hiu sut cao so vi vic x l li cc tc v trn cng mt CPU, nhng CPU ny c th c b sung vo v ng vai tr l cc I slave. Vi cu hnh ca I slave th DP master khng tru cp trc tip cc m un vo/ra trn I slave m ch truy cp vo vng a ch ca CPU ca I slave. iu ny c ngha rng vng a ch ny khng th n nh c cho cc m un vo ra thc trn I slave. Vic n nh ny phi c I slave to ra khi c cu hnh.

Cu hnh vi DP salve thng minh theo cch trao i d liu SlaveI slave:Vi cu hnh ny, d liu vo t cc slave c th truyn thng n I slave trn subnet Profibus-DP. Vi c ch qun l ny, tt c cc DP slave hoc I slve c th cung cp mt s la chn d liu u vo theo hng trao i d liu trc tip (DX) gia cc cc DP slave. Ch c nhng I slave (nh CPU 315-2DP, 316-2DP hay 318-2DP) c th c s dng nhn nhng d liu ny.

Cu hnh vi hai h thng DP master theo cch trao i d liu slaveI slave:

Vi h thngs DP master trong mt subnet vt l Profibus-DP cng c gi l h thng multi-master. Trong cu hnh ny, d liu u vo t DP slave c th c c rt nhanh bi cc I salve trn cng mt subnet. Nhng I slave c th giao tip vi cc DP slave ni b trong h thng DP master ca n hoc c th giao tip vi cc DP slave trn nhng h thng DP master khc (xem hnh 5.31).

Vi c ch qun l ny, I slave nh l CPU 315-2DP c th cho php d liu vo t cc DP slave truyn trc tip n vng d liu vo ca n.Theo nguyn tc ny, mi DP slave c th cung cp s la chn d liu vo cho vic trao i d liu trc tip gia cc DP slave. Cu hnh vi hai h thng DP master theo cch trao i d liu slavemaster: D liu vo t nhng I slave v DP slave c th c c trc tip bi master ca h thng DP master trn cng mt subnet vt l l Profibus-DP (xem hnh 5.32). C ch giao tip ny cn c gi l s chia s d liu u vo v d liu vo c s dng bi DP master khc.

5.3.2.3.2 Cch cu hnh cho h thng vo/ra phn tn:To mt h thng DP master:

Bn c th s dng nhng biu tng DP master sau:

Mt CPU vi s tch hp m un CP 342-5, CP 443-5 hay DP master c tch hp onboard trn CPU. Mt giao din submodule c n nh mt CPU/FM (v d IF 964-DP trn CPU 488-4).

Mt m un giao din vi giao din DP master (v d IM 467).

Cc bc thc hin:

La chn DP master t Hardware Catalog (v d CPU 315-2DP).

Ko v th m un vo trong hng thch hp ca rack. Vo mc Properties - PROFIBUS

Node m hp thoi. Ti y bn c th thc hin nh sau:

To mt subnet Profibus mi hoc la chn subnet c

t thuc tnh cho subnet Profibus (v khong cch kt ni, tc truyn)

t a ch Profibus ca DP master

chp nhn vic ci t n OK. Biu tng sau s xut hin:

Biu tng ny c xem nh l ci neo ca cc DP slave kt ni vo h thng DP master. To ra h thng gm vi DP master giao tip vi cc DP slave:Tch bit h thng DP master:

Nu bn chn CPU vi s tch hp sn giao din DP hay CPU c km theo m un giao din DP (cu hnh nh I slave), bn c th cu hnh cho CPU hoc CP nh mt DP master vi h thng DP master. Bn c th tch bit h thng DP master theo cch sau: La chn giao din DP master

La chn menu lnh: Edit > Master System > Separate; kch chut phi, la menu chn lnh Master System > Separate. Nh vy bn thc hin c kt ni trao i d liu trc tip (DX). Nu khng c nhng slave c kt ni ti h thng master th h thng master ny s b hy b. Cch la chn v gii hn cho DP slave: Khi bn cu hnh cho cc DP slave, chng c nhng nhm sau:

Compact DP slaves (nhng m un vi s tch hp cc a ch vo/ra s v analog, v d ET200B) Modular DP slaves (nhng m un giao din vi S7 hoc S5, v d ET 200M)

I slave (cc CPU S7-300 c tch hp giao din DP hoc ET 200X vi BM147/CPU)

Cu hnh cho Compact DP slaves: La chn mt Compact DP slave (v d ET 200B) t Hardware Catalog.

Ko v th m un DP slave vo v tr thch hp trn h thng DP master: hp thoi Properties - PROFIBUS Node s c m. Ti y, bn c th ci t cc tham s sau:

Thuc tnh cho subnet Profibus (v khong cch kt ni, tc truyn)

a ch Profibus ca DP slave Xc nhn li cng vic ci t bng cch nhn nt OK.

Kt qu l mt biu tng c thm vo h thng DP master vi s hin din ca compact DP slave. Cu hnh I/O ca compact DP slave c hin trong bng bn di ca ca s cu hnh. V d:To s kt ni gia h thng DP master trn CPU 414-2DP vi cc compact DP slave nh sau: To d n vi tn compact DP slave

To cu hnh cho CPU 414-2DP trn rack trung tm CR2/18 Vo th mc ET 200B trn Hardware Catalog chn cc DP slave thch hp, ko v th cc DP slave vo subnet Profibus do giao din DP master ca CPU 414-2DP to ra.

Kt qu:

Cu hnh cho Modular DP Slaves: La chn m un giao din cho Modular DP Slave (v d IM 153 cho ET 200M) t Hardware Catalog.

Ko v th cc DP slave vo subnet Profibus kt ni vo biu tng DP master, kch chut phi ln m un ci t cc thng s thch hp cho m un.

Xc nhn li cng vic ci t bng cch nhn nt OK. Mt biu tng cho DP slave c gn thm vo h thng DP master.

Nhng m un Modular DP Slaves bao gm:

Terminal Blocks (TBSC) cho vic kt ni Smart (h cc m un ET 200L SC

SC submodules (h cc m un ET 200L SC) AS-i slave (DP/AS-i link)

Nhng m un S7-300 (h ET 200M)

To mt mt h thng multi-master trn mt subnet Profibus: v d hnh 5.35, h thng gm hai DP master l: CPU 416-2DP l DP master 1 v CPU 412-2DP l DP master 2. DP master 1 qun l 3 DP slave IM 153 c a ch l IM 153(1), IM 153(2), IM 153(4). DP master 2 qun l mt DP slave c a ch IM 153(6).Vic tnh ton v ci t chu k bus xem phn FREEZE trn help online !5.3.2.3.3 Cch cu hnh cho I-Slave:

Mt I-Slave l nhng CPU c s kt hp vi m un Profibus CP, xem hnh bn di:

S khc nhau gia DP slave v I-Slave:i vi mt DP slave thng thng nh compact (ET 200B) hay modular (ET 200M) th DP master truy cp vo nhng u vo/ra phn tn. i vi nhng I-Slave, DP master khng truy cp trc tip vo cc u vo/ra trn I-Slave m ch truy cp trong khng gian a ch vo/ra ca qu trnh x l c thc hin trn CPU ca I-Slave. ng dng ca I-Slave:I-Slave khng ch thc hin vic trao i d liu vi master m cn thc hin c vic trao i d liu trc tip vi DP slave m cc DP slave khng th lm c iu ny.Cc bc c bn cu hnh:C hai bc c yu cu chn I-slave vo trong mt h thng DP master:

Cu hnh mt trm vi m un Profibus-DP CP nh mt DP slave (c th l cc CPU c sn giao din DP hoc CPU ghp thm m un CP). Kt ni I-slave ny vo h thng DP bng cch n nh n vi mt DP master.

Hnh 5.12 Cu hnh (v d) cho mt h thng

Tnh chn s lng I/O v kiu module

n nh cc knh tn hiu v t tn tng trng cho chng

Lp bng k hoch i dy gia sensors/actualtors v cc trm PLC

Xy dng cc bin da vo s lit k cc bin v m t y cc qu trnh (lp k hoch kh thi, s lng PLC, Trm vn hnh, cc thnh phn khc)

Lp trnh cc khi chc nng ngi dng v cc khi trao i thng tin; kim tra v lp ti liu

To h thng cc cp bc cho nh my

Thit lp cu hnh mng

Thit lp cu hnh phn cng (tng trm)

Tin hnh kim tra tn hiu v hiu chnh tng cm bin, chp hnh v cc qu trnh trn bc tranh qu trnh

Cu hnh cho cc trm OS:

To cc bc tranh qu trnh, cc bc tranh thng bo message, cc th (curve) v cc bng nht k (archive)

To cc khi SFC chart (sequential control systems) v download chng ti PLC

To cc CFC chart vi vic s dng cc IEA model trn; Bin dch v download ti PLC

S dng chc nng Import/Export Assistant (IEA) to module Template cho cc im o lng. Kim tra v lp ti liu cho cc module. t cc khi v cc module vo trong th vin to c

To CFC charts (charts module)

Sao chp cc d liu cn thit t ES v a vo cc OS; Tin hnh khi ng OS

Kt ni d liu gia OS v PLC

La chn v quyt nh kiu mng v cu trc mng. Cc kt ni gia cc trm SIMATIC vi nhau v gia cc trm SIMATIC vi cc trm iu khin qu trnh

Lp li qu trnh trn kim tra vi ln

Thit lp d n

Hnh 5.1 Khi ng phn mm NetPro - Configuring Networks

Hnh 5.2 Khi ng phn mm SIMATIC Manager

Hnh 5.3 To mi mt User Project

Hnh 5.7 Giao din cu hnh cho tng thnh phn ca mng

Hnh 5.4

Hnh 5.5 Giao din ca phn mm cu hnh mng

Hnh 5.11

Hnh 5.10 Thit lp cu hnh cho trm PLC CPU 313

Hnh 5.8

Hnh 5.6

Hnh 5.13 Mi quan h gia rack v cc m un thnh phn

Hnh 5.14 M t tham s ca cc m un trong rack

Rack 3

3 4 11

SM

SM

IM

Rack 2

3 4 11

SM

SM

IM

Rack 1

3 4 11

SM

SM

IM

Rack 0

1 2 3 4 11

SM

SM

IM

CPU

PS

Hnh 5.15 Cu hnh trm S7-300

Hnh 5.16 Cu hnh cho trm S7-300

M un giao din

Hnh 5.17

Hnh 5.18 Kt ni rack trung tm n cc rack m rng

Hnh 5.19

Hnh 5.20

Hnh 5.21

Hnh 5.22

Hnh 5.23

Hnh 5.25

Hnh 5.26

Hnh 5.27 Kt ni cc rack m rng vo rack trung tm trn CPU 414-1

DP slave

DP slave

DP slave

DP slave

DP master

Hnh 5.28 S nguyn l trao i d liu slavemaster

H thng DP master

H thng DP master

Hnh 5.29 S nguyn l trao i d liu slavemaster c s tham gia ca I slave

DP master

I slave

DP slave

DP slave

DP slave

H thng DP master 2

Hnh 5.31 Trao i trc tip gia cc DP slave trn cc h thng DP master khc nhau

DP master

DP slave

DP slave

I slave

DP slave

H thng DP master

DP master

DP slave

DP slave

H thng DP master 1

DX

Hnh 5.33 Cu hnh cho h thng compact DP slave

Hnh 5.30 S nguyn l trao i trc tip gia cc DP slave

DP master

I slave

DP slave

DP slave

DP slave

DX

DX

a ch t ng hin th

H thng DP master 1

DP slave

DP slave

I slave

DP slave

DP slave

DP slave

DP master

H thng DP master 2

Hnh 5.32 Trao i trc tip gia cc slave trn cc h thng DP master khc

DP master

compact DP slave

Hnh 5.34 Cu hnh cho h thng modular DP slave

Hnh 5.35 H thng c nhiu DP master qun l cc DP slave ring bit

Hnh 5.35 I-Slave phi ghp vo h thng DP master

Hnh 5.37 Cu hnh I-slave vo h thng DP master ca S7-400