Do an Mon Hoc S7 1200

TRNG CAO NG CNG THNG TP.HCM KHOA IN IN T

n iu khin 3 [1] GVHD: Nguyn Vit Khoa

LI CM N

Chng em xin chn thnh by t lng bit n n cc thy c trong khoa in

Trng Cao ng Cng Thng Thnh Ph H Ch Minh, c bit l cc thy c

trong b mn truyn th cho nhm chng em nhng kin thc qu bu trong thi

gian qua.

Chng em xin chn thnh cm n Thy Nguyn Vit Khoa , ging vin Trng

Cao ng Cng Thng Thnh Ph H Ch Minh tn tm hng dn,cung cp

ti liu v to mi iu kin thun li nhm c th hon thnh n ny.

Trng Cao ng Cng Thng Thnh Ph H Ch Minh.



NHN XT CA GVHD:

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NHN XT CA GVPB:

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LI NI U

n ny l mc quan trng kim tra nhn thc ca sinh vin trong thi gian

hc tp v nhng kin thc c ging dy trong trng. ng thi n cn nh

gi kh nng vn dng l thuyt phn tch tng hp v gii quyt cc bi ton

trong thc t khi lm n sinh vin trao i, hc hi trao di kin thc.

Nhn thc tm quan trng chng em lm vic nghim tc vn dng nhng

kin thc sn c ca bn thn, nhng ng gp kin ca bn b v c bit l s

hng dn ca Thy Nguyn Vit Khoa v mt s thy c ging dy trong khoa

in ca Trng Cao ng Cng Thng TPHCM hon thnh n ny. Trong

qu trnh thc hin ti ny cng c nhiu sai st hy vng qu thy thng cm v

b qua,chng em xin chn thnh cm n qu thy.



N IU KHIN 3

THIT K M HNH TH NGHIM PLC S7-1200 SIEMENS

CHNG 1: TNG QUAN

I. HNH NH VTHNH PHN M HNH



- 1 CB mt pha ,cp in mt pha cho PLC

- 1 PLC S7-1200, CPU 1212 AC/DC/RLY

- 7 relay trung gian , lm tip im ni

- 3 cu u dy domino

- 2 n bo

- 3 nt nhn

- 2 b ngun 24v DC

- 2 van kh nn 5-2

- 1 ng c DC-24v

- 2 pittong 1 ca

- 2 cm bin si quang

- 1 dy cp internet



II.GII THIU PLC S7-1200

1. Gii thiu chung v PLC S7-1200

1.1. Khi nim chung PLC s7-1200

Nm 2009, Siemens ra dng sn phm S7-1200 dng thay th dn cho S7-200. So

vi S7-200 th S7-1200 c nhng tnh nng ni tri:

-S7-1200 l mt dng ca b iu khin logic lp trnh (PLC) c th kim sot

nhiu ng dng t ng ha. Thit k nh gn, chi ph thp, v mt tp lnh mnh

lm cho chng ta c nhng gii php hon ho hn cho ng dng s dng vi S7-

1200

-S7-1200 bao gm mt microprocessor, mt ngun cung cp c tch hp sn,

cc u vo/ra (DI/DO).

-Mt s tnh nng bo mt gip bo v quyn truy cp vo c CPU v chng

trnh iu khin:

+Tt c cc CPU u cung cp bo v bng password chng truy cp vo PLC

+Tnh nng know-how protection bo v cc block c bit ca mnh

-S7-1200 cung cp mt cng PROFINET, h tr chun Ethernet v TCP/IP.

Ngoi ra bn c th dng cc module truyn thong m rng kt ni bng RS485 hoc

RS232.

-Phn mm dng lp trnh cho S7-1200 h tr ba ngn ng lp trnh l FBD,

LAD v SCL.Phn mm ny c tch hp trong TIA Portal 11 ca Siemens.

-Vy lm mt d n vi S7-1200 ch cn ci TIA Portal v phn mm ny

bao gm c mi trng lp trnh cho PLC v thit k giao din HMI

1.2. Cc module trong h PLC S7-1200

1.2.1. Gii thiu v cc module CPU

Cc module CPU khc nhau c hnh dng, chc nng, tc x l lnh, b nh

chng trnh khc nhau.

PLC S7-1200 c cc loi sau:



Sign board ca PLC SIMATIC S7-1200

Sign board: SB1223 DC/DC

-Digital inputs / outputs

-DI 2 x 24 VDC 0.5A

-DO 2x24 VDC 0.5A

Sign boards : SB1232AQ

- Ng ra analog

-AO 1 x 12bit

-+/- 10VDC, 0 20mA



Cards ng dng:

-CPU tn hiu thch ng vi cc ng dng

-Thm im ca k thut s I/O hoc tng t vi CPU nh cc yu cu ng dng

-Kch thc ca CPU s khng thay i

1.2.2. Module xut nhp tn hiu s



1.2.3. Module xut nhp tn hiu tng t

1.2.4. Module truyn thng



2. Lm vic vi phn mm Tia Portal

2.1. Gii thiu SIMATIC STEP 7 Basic tch hp lp trnh PLC v HMI

Step 7 basic h thng k thut ng b m bo hot ng lin tc hon ho.

Mt h thng k thut mi

Thng minh v trc quan cu hnh phn cng k thut v cu hnh mng, lp

trnh, chn on v nhiu hn na.

Li ch vi ngi dng:

-Trc quan : d dng tm hiu v d dng hot ng

-Hiu qu : tc v k thut

-Chc nng bo v : Kin trc phn mm to thnh mt c s n nh cho s i mi

trong tng lai.

2.2. Kt ni qua giao thc TCP/IP

- lp trnh SIMATIC S7-1200 t PC hay Laptop cn mt kt ni TCP/IP

- PC v SIMATIC S7-1200 c th giao tip vi nhau, iu quan trng l cc a

ch IP ca c hai thit b phi ph hp vi nhau

2.3. Cch to mt Project

Bc 1: t mn hnh desktop nhp p chn biu tng Tia Portal V12

Bc 2 : Click chut vo Create new project to d n.



Bc 3 :Nhp tn d n vo Project name sau nhn create

Bc 4 : Chn configure a device

Bc 5 : Chn add new device



Bc 6 :Chn loi CPU PLC sau chn add



Bc 7 : Project mi c hin ra

2.4. TAG ca PLC / TAG local

Tag ca PLC

-Phm vi ng dng : gi tr Tag c th c s dng mi khi chc nng trong PLC

-ng dng : binary I/O, Bits of memory

-nh ngha vng : Bng tag ca PLC

-Miu t : Tag PLC c i din bng du ngoc kp

Tag Local

-Phm vi ng dng : gi tr ch c ng dng trong khi c khai bo, m t tng

t c th c s dng trong cc khi khc nhau cho cc mc ch khc nhau.

-ng dng : tham s ca khi, d liu static ca khi, d liu tm thi

-nh ngha vng : khi giao din

-Miu t : Tag c i din bng du #

S dng Tag trong hot ng



-Layout : bng tag PLC cha cc nh ngha ca cc Tag v cc hng s c gi tr

trong CPU. Mt bng tag ca PLC c t ng to ra cho mi CPU c s dng

trong project.

-Colum : m t biu tng c th nhp vo di chuyn vo h thng hoc c th

ko nh nh mt lnh chng trnh

-Name : ch c khai bo v s dng mt ln trn CPU

-Data type : kiu d liu ch nh cho cc tag

-Address : a ch ca tag

-Retain : khai bo ca tag s c lu tr li

-Comment : comment miu t ca tag

Nhm tag : to nhm tag bng cch chn add new tag table

Tm v thay th tag PLC



Ngoi ra cn c mt s chc nng sau:

-Li tag

-Gim st tag ca plc

-Hin / n biu tng

-i tn tag : Rename tag

-i tn a ch tag : Rewire tag

-Copy tag t th vin Global

3. Lm vic vi mt trm PLC

3.1. Quy nh a ch IP cho module CPU

IP TOOL c th thay i IP address ca PLC S7-1200 bng 1 trong 2 cch.

Phng php thch hp c t ng xc nh bi trng thi ca a ch IP :

-Gn mt a ch IP ban u : Nu PLC S7-1200 khng c a ch IP, IP TOOL

s dng cc chc nng thit lp chnh cp pht mt a ch IP ban u cho PLC

S7-1200.

-Thay i a ch IP : nu a ch IP tn ti, cng c IP TOOL s sa i cu

hnh phn cng (HW config) ca PLC S7-1200.

3.2. chng trnh xung CPU



t mn hnh son tho chng trnh bng cch kch vo biu tng download

trn thanh cng c ca mn hnh

Chn cu hnh Type of the PG/PC interface v PG/PC interface nh hnh di

sau nhn chn load

Chn start all nh hnh v v nhn finish



3.3. Gim st v thc hin chng trnh

gim st chng trnh trn mn hnh son tho kch chn Monitor trn thanh

cng c.

Hoc cch 2 lm nh hnh di

Sau khi chn monitor chng trnh son tho xut hin nh sau:



4. K thut lp trnh

4.1. Vng qut chng trnh

PLC thc hin chng trnh theo chu trnh lp. Mi vng lp c gi l vng

qut. Mi vng qut c bt u bng giai on chuyn d liu t cc cng vo s

ti vng b m o I, tip theo l giai on thc hin chng trnh. Trong tng vng

qut chng trnh c thc hin t lnh u tin n lnh kt thc ca khi

OB1.Sau giai on thc hin chng trnh l giai on chuyn cc ni dng ca b

m o Q ti cc cng ra s.Vng qut kt thc bng giai on truyn thng ni b

v kim tra li.

Ch rng b m I v Q khng lin quan ti cc cng vo / ra tng t nn cc

lnh truy nhp cng tng t c thc hin trc tip vi cng vt l ch khng

thng qua b m.



4.2. Cu trc lp trnh

4.2.1. Khi t chc OB OGANIZATION BLOCKS

-Organization blocks (OBs) : l giao din gia hot ng h thng v chng

trnh ngi dng. Chng c gi ra bi h thng hot ng, v iu khin theo qu

trnh:

+X l chng trnh theo qu trnh

+Bo ng kim sot x l chng trnh

+X l li

-Startup oB, Cycle OB, Timing Error OB v Diagnosis OB : c th chn v lp

trnh cc khi ny trong cc project. Khng cn phi gn cc thng s cho chng v

cng khng cn gi chng trong chng trnh chnh.

-Process Alarm OB v Time Interrupt OB : Cc khi OB ny phi c tham s

ha khi a vo chng trnh. Ngoi ra, qu trnh bo ng OB c th c gn cho



mt s kin ti thi gian thc hin bng cch s dng cc lnh ATTACH, hoc tch

bit vi lnh DETACH.

-Time Delay Interrupt OB : OB ngt thi gian tr c th c a vo d n v

lp trnh. Ngoi ra, chng phi c gi trong chng trnh vi lnh SRT_DINT,

tham s l khng cn thit

-Start Information : Khi mt s OB c bt u, h iu hnh c ra thng tin

c thm nh trong chng trnh ngi dng, iu ny rt hu ch cho vic chn

on li, cho d thng tin c c ra c cung cp trong cc m t ca cc khi

OB

4.2.2. Hm chc nng FUNCTION

-Funtions (FCs) l cc khi m khng cn b nh. D liu ca cc bin tm thi

b mt sau khi FC c x l.Cc khi d liu ton cu c th c s dng lu

tr d liu FC.

-Functions c th c s dng vi mc ch

+Tr li gi tr cho hm chc nng c gi

+Thc hin cng ngh chc nng, v d : iu khin ring vi cc hot ng

nh phn

+Ngoi ra, FC c th c gi nhiu ln ti cc thi im khc nhau trong mt

chng trnh. iu ny to iu kin cho lp trnh chc nng lp i lp li phc tp.

-FB (function block) : i vi mi ln gi, FB cn mt khu vc nh. Khi mt FB

c gi, mt Data Block (DB) c gn vi instance DB. D liu trong Instance

DB sau truy cp vo cc bin ca FB.Cc khu vc b nh khc nhau c gn

cho mt FB nu n c gi ra nhiu ln.

-DB (data block) : DB thng cung cp b nh cho cc bin d liu . C hai

loi ca khi d liu DB : Global DBs ni m tt c cc OB, FB v FC c th c

c d liu lu tr, hoc c th t mnh ghi d liu vo DB, v instance DB c

gn cho mt FB nht nh.



5. Gii thiu cc tp lnh

5.1. Bit logic (tp lnh tip im)

1)tip im thng h

L

A

D

Tipimthnghsngkhigi

trcabitcachlnbng1

Tonhngn: I,Q,M,L, D

2)tip im thng ng

L

A

D

Tipimthngngsngkhigi tr

ca bit c a ch n l 0

Tonhngn: I,Q,M,L, D

3)lnh OUT

L

A

D

Gi tr ca bit c a ch l n s bng 1 khi

u vo ca lnh ny bng 1 v ngc li

Tonhngn : Q,M,L, D

Ch s dng mt lnh out cho 1 a ch



4)Lnh OUT o

L

A

D

Gi tr ca bit c a ch l n s bng 1 khi

u vo ca lnh ny bng 0 v ngc li

Tonhngn : Q,M,L, D

Ch s dng mt lnh out not cho 1 a

ch

5)Lnh logic NOT

L

A

D

Lnh o trng thi ng vo / ra

6)Lnh SET

L

A

D

Gitrcaccbitcachln s

bng1khiuvocalnhnybng 1 Khi

uvocalnhbng0thbit nyvn

ginguyntrngthi.

Tonhngn:Q,M,L, D



7)lnh Reset

L

A

D

Gitrcaccbitc achln s

bng0khiuvocalnhnybng1. Khi

uvocalnhbng0thccbit nyvn

ginguyntrngthi.

Tonhngn:Q,M, L, D

8)Lnh set nhiu bit

L

A

D

GitrcaccbitcachutinlOUT s



ginguyntrngthi.Trong sbitlgi

tr ca n

TonhngOUT:Q,M, L, D

n : l hng s

9)lnh reset nhiu bit

L

A

D

GitrcaccbitcachutinlOUT s



ginguyntrngthi.Trong sbitlgi

tr ca n

TonhngOUT:Q, M, L, D

n : l hng s



10)Tip im pht hin xung cnh ln dng 1

L

A

D

Tipimphthincnhlnsphtra mt

xungkhiuvotipimPcs chuyn

itmcthplnmccao

Trng thi ca tn hiu c lu li vo

M_BIT

rngcaxungnybngthigian ca

mtchukqut.

11)Tip im pht hin xung cnh ln dng 2

L

A

D

Thay i trng thi tn hiu pha trc

khng nh hng n IN

Pht hin s thay i trng thi ca 1 tn

hiu IN t 0 ln 1

Trng thi ca tn hiu IN c lu li

vo M_BIT


mtchukqut.



12)Tip im pht hin xung cnh xung dng 1

L

A

D

Tipimphthincnhxungsphtra mt

xungkhiuvotipimnycs chuyn

itmccao xung mc thp

Trng thi ca tn hiu c lu li vo

M_BIT


mtchukqut.

13)tip im pht hin xung cnh xung dng 2

L

A

D

Thay i trng thi tn hiu pha trc

khng nh hng n IN

Pht hin s thay i trng thi ca 1 tn

hiu IN t 1 xung 0

Trng thi ca tn hiu IN c lu li

vo M_BIT


mtchukqut.

14)lnh SR fliplop

L

A

D

Mch cht RS u tin Reset



15)lnh RS fliplop

L

A

D

Mch cht RS u tin Set

5.2. S dng b Timer

S dng lnh Timer to mt chng trnh tr nh thi.S lng ca Timer

ph thuc vo ngi s dng v s lng vng nh ca CPU.Mi timer s dng 16

byte IEC_Timer d liu kiu cu trc DB. Step 7 t ng to khi DB khi ly khi

Timer

Kch thc v tm ca kiu d liu Time l 32 bit, lu tr nh l d liu Dint :

T#-14d_20h_31m_23s_648ms n T#24d_20h_31m_23s_647ms hay l -

2.147.483.648 ms n 2.147.483.647 ms.

1)Timer to xung - TP

L

A

D

Timer TP to mt chui xung vi rng

xung t trc. Thay i PT, IN khng nh

hng khi Timer ang chy.

Khi u vo IN c tc ng vo timer s to

ra mt xung c rng bng thi gian t PT



2)Timer tr sn ln c nh - Timer TONR

L

A

D

Thay i PT khng nh hng khi Timer ang

vn hnh, ch nh hng khi timer m li

Khi ng vo IN chuyn sang FALSE khi

vn hnh th timer s dng nhng khng t

li b nh th. Khi chn IN TRUE tr li th

Timer bt u tnh thi gian t gi tr thi gian

tch ly.

3)timer tr khng nh - TON

L

A

D

Khi ng vo IN ngng tc ng th reset v

dng hot ng Timer.

Thay i PT khi Timer vn hnh khng c nh

hng g

4)timer tr sn xung TOF

L

A

D

Khi ng vo IN ngng tc ng th reset v dng

hot ng Timer.

Thay i PT khi Timer vn hnh khng c nh

hng g



5.3. S dng b Counter

Lnh Counter c dng m cc s kin ngoi hay cc s kin qu trnh

trong PLC. Mi Counter s dng cu trc lu tr ca khi d liu DB lm d liu

ca Counter. Step 7 t ng to khi DB khi ly lnh.

Tm gi tr m ph thuc vo kiu d liu m bn chn la.Nu gi tr m l

mt s Interger khng du, c th m xung ti 0 hoc m ln ti tm gii hn.Nu

gi tr m l mt s interder c du, c th m ti gi tr m gii hn hoc m ln

ti mt s dng gii hn.

1)Counter m ln - CTU

L

A

D

Gi tr b m CV c tng ln 1 khi tn hiu

ng vo CU chuyn t 0 ln 1. Ng ra Q c

tc ng ln 1 khi CV>=PV. Nu trng thi R

= Reset c tc ng th b m CV = 0.

2)Counter m xung CTD

L

A

D

Gi tr b m c gim 1 khi tn hiu ng vo

CD chuyn t 0 ln 1. Ng ra Q c tc ng

ln 1 khi CV



3)Counter m ln xung CTUD

L

A

D

Gi tr b m CV c tng ln 1 khi tn hiu

ng vo CU chuyn t 0 ln 1. Ng ra QU

c tc ng ln 1 khi CV >=PV. Nu trng

thi R = Reset c tc ng th b m CV =

0.

Gi tr b m CV c gim 1 khi tn hiu

ng vo CD chuyn t 0 ln 1. Ng ra QD

c tc ng ln 1 khi CV = IN2, IN1 IN2 hoc IN1 IN2

So snh 2 kiu d liu ging nhau, nu lnh so

snh tha th ng ra s l mc 1 = TRUE (tc

ng mc cao) v ngc li

Kiu d liu so snh l : SInt, Int, Dint, USInt,



UDInt, Real, LReal, String, Char, Time, DTL,

Constant.

2)Lnh trong khong In range

L

A

D

Tham s : MIN, VAL, MAX

Kiu d liu so snh : SInt, Int, Dint, USInt,

UInt, UDInt, Real, LReal, Constant

So snh 2 kiu d liu ging nhau, nu so snh

MIN



4)Lnh OK

L

A

D

Tham s : IN

Kiu d liu : Real, LReal

Lnh OK kim tra tnh hp l ca ton t

5)Lnh NOT OK

L

A

D

Tham s : IN

Kiu d liu : Real, LReal

Lnh NOT_OK kim tra tnh khng hp l ca

ton t

5.5. Ton hc

1)Lnh tnh ton

L

A

D

Cng dng : thc hin php ton t cc gi

tr ng vo IN1, IN2, IN(n) theo cng thc

OUT=(+,-,*,/) ri xut kt qu ra ng ra

OUT.

Cc thng s ng vo dng trong khi phi

chung nh dng



2)Lnh cng, tr, nhn, chia

L

A

D

Lnh cng ADD : OUT = IN1 + IN2

Lnh tr SUB : OUT = IN1 IN2

Lnh nhn MUL : OUT = IN1*IN2

Lnh chia DIV : OUT = IN1/IN2

Tham s IN1, IN2 phi cng kiu d liu : SInt,

Int, Dint, USInt, UInt, UDInt, Real, LReal,

Constant

Tham s OUT c kiu d liu : SInt, Int, Dint,

USInt, UInt, UDInt, Real, LReal

Tham s ENO = 1 nu khng c li xy ra trong

qu trnh thc thi. Ngc li ENO = 0 khi c li,

mt s li xy ra khi thc hin lnh ny :

-Kt qu ton hc nm ngoi phm vi ca kiu

d liu.

-Chia cho 0 (IN2 = 0)

-Real/LReal : Nu mt trong nhng gi tr u

vo l NaN sau c tr v NaN.

-ADD Real/LReal : Nu c hai gi tr IN l INF

c du khc nhau, y l mt khai bo khng

hp l v c tr v NaN

-SUB Real/LReal : Nu c hai gi tr IN l INF

cng du, y l mt khai bo khng hp l v

c tr v NaN

-MUL Real/LReal : Nu mt trong 2 gi tr l 0



hoc l INF, y l khai bo khng hp l v

c tr v NaN.

-DIV Real/LReal : Nu c hai gi tr IN bng

khng hoc INF, y l khai bo khng hp l

v c tr v NaN.

3)Lnh ly phn d

L

A

D

Lnh Modulo s ly phn d ca php ton.

Gi tr ng vo IN1 chia cho IN2 v gi tr phn

d s c lu vo OUT

Tham s:

EN : Bool

ENO : Bool

IN1 : SINT, INT, DINT, USINT, UINT,

UDINT

IN2 : SINT, INT, DINT, USINT, UINT,

UDINT

OUT : SINT, INT, DINT, USINT, UINT,

UDINT



4)Lnh ph nh

L

A

D

Lnh NEG o ngc du hiu s hc ca gi

tr trong tham s v lu tr cc kt qu trong

tham s OUT

Tham s :

EN : Bool cho php ng vo

ENO: Bool cho php ng ra

-ENO = 1 : khng c li

-ENO = 0: kt qu gi tr nm ngoi tm gi tr

ca kiu d liu

IN : ton t u vo SInt, INt, Dint, Real,

LReal, Constant

OUT : ton t u ra Sint, Int, Dint, Real,

LReal



5)Lnh tng, gim

L

A

D

Tng / gim gi tr kiu s Interger ln / xung

mt n v

Tham s :

EN : cho php ng vo

IN/OUT : ton t ng vo v ra

ENO : cho php ng ra

-ENO = 1 : khng c li

-ENO = 0: kt qu nm ngoi tm gi tr ca

kiu d liu

6)Lnh gi tr tuyt i

L

A

D

Tinh gi tr tuyt i ca mt s nguyn hoc

s thc ca tham s IN v lu tr kt qu vo

tham s OUT

Tham s :

EN : cho php ng vo

IN : Ton t ng vo

OUT : Ton t ng ra

ENO : Cho php ng ra



7)Lnh gi tr nh nht v ln nht

L

A

D

Lnh MIN/MAX so snh cc gi tr u vo v

tr li gi tr nh nht/ ln nht u ra

Tham s :

EN : cho php ng vo

IN : Ton t u vo, c th ln ti 32 u vo

OUT : Ton t ng ra

ENO : cho php ng ra

8)Lnh gii hn

L

A

D

Cng dng : Gii hn gi tr ca ng vo IN

trong khong ca ng vo MIN v MAX. Nu

gi tr ca IN p ng MIN < IN

MAX th gi tr ca MAX c copy vo OUT

Lnh ch c thc hin khi tn hiu ng vo l

1 ti ng vo EN, Nu lnh c thc hin m

khng c li xy ra th ti ng ra ENO cng c

gi tr bng 1.

Ng ra ENO c trng thi 0 nu 1 trong s cc



iu kin sau y khng tha mn :

-Ng vo EN c tn hiu 0

-Cc thng s nhp vo khng ng nh dng

-Cc ton hng khng ng gi tr

-Gi tr Min ln hn gi tr Max

9)Lnh ton hc s thc du chm ng



5.6. Di chuyn MOVE

1)Lnh MOVE

L

A

D

Lnh Move di chuyn ni dung ng vo IN n

ng ra OUT m khng lm thay i gi tr ng

IN

Tham s:

EN : cho php ng vo

ENO : cho php ng ra

IN : ngun gi tr n

OUT1: Ni chuyn n

Lnh Move_BLK sao chp cc ni dung ca

mt vng nh IN n mt b nh xc nh khc.

S lng cc gi tr c sao chp c quy

nh trong COUNT. Hot ng sao chp theo

hng tng dn cc a ch

Tham s:

EN : cho php ng vo

ENO : cho php ng ra

IN : ngun gi tr n

COUNT : s gi tr sao chp

OUT1: Ni chuyn n



2)Lnh lm y FILL

L

A

D

Cng dng : dng lp y mt vng nh vi

ni dung ti mt vng nh khc. Lnh Fill block

di chuyn ni dung ca mt vng nh ti mt

vng nh xc nh. Hnh ng vn chuyn cc

bin sao chp theo hng tng dn

3)Lnh o Swap

L

A

D

Cng dng : i th t ca 2 byte hay 4 byte

thnh phn ca mt Word hay mt Dword. N

khng lm i th t ca cc bit trong mi byte

5.7. Chuyn i

1)Lnh CONV

L

A

D

Cng dng : chuyn i t kiu d liu ny

sang kiu d liu khc

Tham s :

IN : gi tr ng vo

OUT : gi tr sau khi chuyn i



2)Lnh lm trn ROUND v ct b TRUNCATE

L

A

D

Lnh ROUND : Chuyn i s thc thnh s

Interger. Cc phn phn s ca s thc c lm

trn n s nguyn gn nht. Nu s thc nm

gia 2 s nguyn th s thc ny c lm trn

thnh s nguyn chn. V d ROUND (10.5) =

10, ROUND (11.5) = 12.

Lnh TRUNC : chuyn i s thc thnh s

interger. Phn phn s ca s thc b ct b

3)Lnh CEILING v FLOOR

L

A

D

Lnh CEIL : chuyn i s thc thnh s

nguyn nh nht ln hn hay bng s thc

Lnh FLOOR : Chuyn i s thc thnh s

nguyn nh hn hya bng s thc .



5.8. Lnh iu khin chng trinh

1)Lnh nhy JUMP v nhn LABEL

L

A

D

Cng dng :Dng chng trnh ang chy v

tip tc trn mt network khc, network ny

c xc nh bi 1 jump label.



2)Lnh iu khin thc thi RET

L

A

D

Cng dng : dng vic thc thi trong mt

khi hm v ch c tip tc sau khi c lnh

gi khi hm .

3)Lnh Re trigger gim st qut chu k

L

A

D

Cng dng :Khi ng li vic gim st

chu k ca CPU. Thi gian gim st c

cu hnh trong phn cng. Vic khi ng

li thi gian gim st chu k ngn chn

li.

4)Lnh ngng qut chu k

L

A

D

Cng dng : t PLC v ch STOP, do

vy ngng vic thc hin chng trnh



5)Lnh ly li GET ERROR

L

A

D

Cng dng : Truy vn cc li xy ra trong

mt khi

5.9. Ton t word logic

1)Lnh AND, OR v XOR

L

A

D

Cng dng :

-Lnh AND kt hp cc gi tr ng vo IN1 v

IN2 theo cc bit tng ng theo php AND

logic, xut kt qu ti OUT

- Lnh OR kt hp cc gi tr ng vo IN1 v

IN2 theo cc bit tng ng theo php OR logic,

xut kt qu ti OUT

- Lnh XOR kt hp cc gi tr ng vo IN1 v

IN2 theo cc bit tng ng theo php XOR

logic, xut kt qu ti OUT



2)Lnh o INVERT

L

A

D

Cng dng : o bit tn hiu ti ng vo IN. Gi

tr ca nhng bit ly b s c gi ti ng ra

3)Lnh SELECT, MULTIPLEX v DEMULTIPLEX

L

A

D

Cng dng :

-Lnh SEL : Da vo tn hiu ng vo G, lnh

SEL la chn ng vo IN1 hoc IN0 v di

chuyn ni dung ca n vo ng ra OUT.

+Nu G = 0 OUT = IN0

+Nu G = 1 OUT = IN1

-Lnh MUX : Sao chp ni dung ca mt ng

vo xc nh ti ng ra OUT. Nu gi tr ca



tham s K ln hn s ng vo hin hu th ni

dung ca tham s ELSE s c sao chp ti

ng ra OUT



5.10. Dch chuyn v xoay vng

1)Lnh dch phi

L

A

D

Cng dng :Dch chuyn ni dung ca ton hng

ti ng vo IN theo tng bit sang bn phi v

truy xut kt qu ra ng ra OUT.

Thng s N xc nh s bit dch chuyn

2)Lnh dch tri

L

A

D

Cng dng : Dch chuyn ni dung ca ton

hng ti ng vo IN theo tng bit sang bn tri

v truy xut kt qu ra ng ra OUT.


3)Lnh quay phi

L

A

D

Cng dng : Xoay ni dung ca mt ton hng

ti ng vo IN theo tng bit v hng bn phi

v truy xut ti ng ra OUT




4)Lnh quay tri

L

A

D

Cng dng : Xoay ni dung ca mt ton hng

ti ng vo IN theo tng bit v hng bn tri v

truy xut ti ng ra OUT




CHNG 2: THIT K CHNG TRNH

I.Chng trnh iu khin



CHNG 3:KT NI WINCC FLEXIBLE VOI S7-1200

I.CC BC KT NI

kt ni my tnh vi CPU S7-1200 thng qua cng PROFINET.Mi CPU phi

c cp pht1 a ch IP c th giao tip vi nhau c.Vic gn a ch IP cho

S7-1200 thng qua phn mm IPTool ca Siemens vi cch cu hnh nh sau:

Bc1: Kt ni PLC S7-1200 v my tnh thng qua cng INTERNET.

Bc2:Gn a ch IP cho CPU S7-1200 vo mc setting, gn IP Address v Subnet

Mask..Sau Click SET xc nhn gn IP.



Bc3: Kim tra kt ni gia my tnh v CPU S7-1200

Bm t hp phm WINDOWN+R m hp thoi RUN, G lnh CMD vo chng

trnh MSDOS. Sau g lnh: PIN192.168.0.1

Mn hnh trn bo kt ni c S7-1200 v my tnh

Sau khi gn xong a ch IP cho CPU.Ta cu hnh trn phn mm STEP7 TIA V12

download chng trnh xung CPU.

Lu: C th phn mm dit virus ngn cn phn mm IPTOOL hot ng gn

IP cho PLC S7-1200, cn disable hay xa phn mm c th kt ni d dng (

gp vi phn mm AVG)

Sau khi vit chng trnh trn DownloadchngtrnhxungCPU

oIPAddress: 192.168.0.1

oSubnetMask: 255.255.255.0

oDefaultGateway: 192.168.0.4



Bc 4:kt ni panel vi s7-1200

Vo start/programs/siemens automation/simatic/wincc flexible 2008/wincc

flexible



Bc 5:click to project

Bc 6:Chn Panel mn hnh.Chn mn hnh TP 177B6



Bc 7:Cu hnh IP Panel v IPS7-1200

Bc 8 :vo communtion/tag/ t tn name d qun l/ datatype ku diu

liu/Addesess a ch kt ni vi PLC



Bc 9:mn hnh lp trnh giao din xut hin

Bc 10:to s kin cho nt nhn click button/events



Bc 11.to thuc tnh cho bng n v ng c click

circle/animations/appearance



Bc 12:sau khi xong save/start runtime

kt qua sau khi start runtime



CHNG 4: KT LUN

I :PHN KT LUN

Qua thi gian thc hin ti lun vn THIT K M HNH TH NGHIM

PLC S7-1200 SIEMENS.Cui cng th chng em cng hon thnh ti ny.

Chng em gii quyt tt mc ch chnh ca B diu khin (PLC) S7-1200

mang li tnh linh hot v sc

mnh d diu khin nhiu thit b da dng h tr cc yu cu v diu khin t dng.

S kt hp gia thit k thu gn, cu hnh linh hot v tp lnh mnh m d khin

cho S71200 tr thnh mt gii php hon ho dnh cho vic diu khin nhiu ng

dng da dng khc nhau.

Kt hp mt b vi x l, mt b ngun tch hp, cc mch ng vo v mch

ng ra trong mt kt cu thu gn, CPU trong S7-1200 d to ra mt PLC mnh m.

Sau khi ngui dng ti xung mt chuong trnh, CPU s cha mch logic duc yu

cu d gim st v diu khin cc thit b nm trong ng dng. CPU gim st cc

ng

vo v lm thay di ng ra theo logic ca chuong trnh ngui dng, c th bao gm

cc hot dng nhu logic Boolean, vic dm, dnh th, cc php ton phc hp v

vic truyn thng vi cc thit b thng minh khc.

Mt s tnh nang bo mt gip bo v vic truy xut dn c CPU v chuong

trnh diu khin.

.



II:TI LIU THAM KHO

1 S7-1200 getting started

Siemen 2 Siemens S7-1200 Manual

Siemens 3 S7-1200 easy book

Siemens Catalog S7-1200

Siemens 5 Kt ni PLC S7-1200 vi OPC Server

Siemens 6 Brochure S7-1200 Controller

Siemens 7 So Snh S7-200 v S7-1200

Phn mm chuyn i S7-200 sang S7-1200

Siemens Pdf 9 S7-1200 programming startup

Siemens Pdf 10 S7-1200 Function Blocks

Siemens Pdf 11 S7-1200 Counter and Timer

Siemens Pdf 12 S7-1200 Diagnostics

Siemens Pdf 13 S7-1200 Analog Vale Processing

Siemens Pdf 14 S7-1200 Closed loop control

Siemens Pdf 15 S7-1200 Networking

Siemens Pdf 16 S7-1200 Human machine interface (WinCC basic)

http://www.mediafire.com/?s2imuptavgys09m

http://www.mediafire.com/?cx8o89rts9d4t24

http://plcvietnam.com.vn/forums/29-S7-1200

Documents

Do an Mon Hoc S7 1200