hướng dẫn tự học plc cpm1 qua hình Ảnh [unlockplc.com]

8/10/2019 Hng Dn T Hc PLC CPM1 Qua Hnh nh [Unlockplc.com]

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[ ]1

H! ng dn t hc PLC CPM" qua hnh nh Ch ! ng " : Gii thiu chung b CPM " Training Kit

!!! ! B CPM" dnh cho vic o to th nghim - CPM" Training Kit

" ." B CPM" chun (B h! ng dn t hc CPM " trong phng th nghim)

L b PLC c thm cc khochuyn mch m phng u vov cc n hin th u ra, ckhung g v km theo schh! ng dn v phn mm

" .2 B CPM " thu gn (B h! ng dn t hc CPM " xch tay - CPM " LaptopTraining Kit)

Cng c thm cc cng tc uvo nh! trn nh ! ng b PLC nhgn hn, khng c khung g, nch th u ra l n nm ch thca PLC.

Men PLC dng cho b th nghim l loi CPM" -20CDR-A c 20 u vo ra,trong " 2 u vo 24V mt chiu, v 8 u ra tip im rle.

http://unlockplc.com PLC,HMI,Scada System and more...

Unlock Crack password HMI PLC Siemens Omron Mitsubishi Hitech Fuji Hakko...


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[ ]2


!!! ! Cc model trong h CPM"

CPM" -" 0CDR-

CPM" -20CDR-

CPM" -30CDR-

1112




3/39

[ ]1


!!! ! B CPM" dnh cho vic o to th nghim - CPM" Training Kit

" ." B CPM" chun (B h! ng dn t hc CPM " trong phng th nghim)

L b PLC c thm cc khochuyn mch m phng u vov cc n hin th u ra, ckhung g v km theo schh! ng dn v phn mm

" .2 B CPM " thu gn (B h! ng dn t hc CPM " xch tay - CPM " LaptopTraining Kit)

Cng c thm cc cng tc uvo nh! trn nh ! ng b PLC nhgn hn, khng c khung g, nch th u ra l n nm ch thca PLC.

Men PLC dng cho b th nghim l loi CPM" -20CDR-A c 20 u vo ra,trong " 2 u vo 24V mt chiu, v 8 u ra tip im rle.




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[ ]2


!!! ! Cc model trong h CPM"

CPM" -" 0CDR-

CPM" -20CDR-

CPM" -30CDR-

1112




5/39

3

H! ng dn t hc PLC CPM" qua hnh nh Ch! ng 2: Cu trc c bn ca PLC

!!! ! Cu trc c bn ca b iu khin logic lp trnhPLC(Programmable Logic Controller)

2." Cc h m (Number System)

" H nh phn (h 2) (Binary)" H thp phn (h" 0) (Decimal)" H thp lc (hay h hexa - h" 6) (Hexadecimal)

" . H nh phn (hay h 2 - Binary (BIN))L h m trong ch s dng 2 con s l 0 v 1 (gi l bit) biu din tt

c cc con s v i l! ng. Tt c cc gi tr bn trong PLC u dng nh phn

2. H thp phn (hay h" 0 - Decimal (DEC))L h m thng th! ng v s dng 10 ch s l 0 1 2 3 4 5 6 7 8

9 biu din cc con s. H thp phn cn kt hp vi h nh phn c cchbiu din gi l BCD (Binary-Coded Decimal)

3. H" 6 (hay h" 6 - Hexadecimal-HEX))L h m s dng 16 k s l 0 1 2 3 4 5 6 7 8 9 A B C D

E F (trong c 10 ch s t 0-9, cc ch s t 11 n 15 ! c biu din bng cck t t A-F)

!!! ! Cch biu din cc i l! ng bn trong PLC Khi biu din cc con s theo cc h m khc nhau, phn bit ng! i ta th! ngthm cc ch BIN (hoc s2 ), BCD hay HEX (hoc h) vo cc con s

HEX BCD Biu din bng s nh phn 4 ch s23 = 8 22 = 4 2" = 2 20 = "

0 0 0 0 0 0" " 0 0 0 " 2 2 0 0 " 03 3 0 0 " " 4 4 0 " 0 05 5 0 " 0 " 6 6 0 " " 07 7 0 " " " 8 8 " 0 0 09 9 " 0 0 " A - " 0 " 0B - " 0 " " C - " " 0 0D - " " 0 " E - " " " 0F - " " " "




6/39

4


V d S 2F61 trong h Hexa s ! c biu din nh! sau trong PLC

2.2 Cu trc c bn ca PLC OMRON

PLC gm c 4 thnh phn c bn sau:

1. Input Area : Cc t n hiu nhn vo t cc thit b uvo bn ngoi (Input Devices) s ! c l ! u trong vngnh ny

2. Output Area : Cc lnh iu khin u ra s ! c l ! utm trong vng nh ny. Cc mch in t trong PLC sx l lnh v ! a ra t n hiu iu khin thit b ngoi

(Output Devices) 3. B x l trung tm (CPU)l ni x l mi hot ngca PLC, bao gm vic thc hin ch! ng trnh

4. B nh (Memory) l ni l! u ch! ng trnh iu khin vcc trng thi nh trung gian trong qu trnh thc hin

# Mch u vo (Input Unit)

L cc mch in t lm nhim v phi ghp chuyn i gia t n hiu inu vo (Input) v t n hiu s s dng bn trong PLC. Kt qu ca vic xl s ! c l ! u vng nh Input Area. Mch u vo ! c cch ly v in vicc mch trong ca PLC nh cc it quang. Bi vy, h! hng mch u vo skhng nh h! ng n hot ng ca CPU.B PLC o to th nghim c in p u vo l 24V mt chiu.

Inputarea

Outputarea

CPU

Memoryarea

PowerSupply

INPUT DEVICES OUTPUT DEVICES

00" 0 """" 0"" 0 000"




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# Mch u ra (Output Unit)

Mch in t u ra s bin i cc lnh mc logic bn trong PLC (trong vngnh Output Area) thnh cc t n hiu iu khin nh! ng m rle. B trainingkit c mch u ra bao gm 8 tip im rle, ch u ! c dng ti a 2 A Xin xem Ph lc trong ti liu H ! ng dn t hc PLC bit thm chitit thng s k thut u vo ra ca PLC loi CPM "

% Cc thit b vo ra th! ng gp

Sensor tim cnSensor quang

ENCODERCOUNTER LIMIT SWITCH

Bm Rle

Can nhit

OUTPUT DEVICES

n c

n

INPUT DEVICES




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6


% Ni dy u vo PLC Switch

Cc cng tc trn b CPM1 PLC training kit s ly ngun t u raPower Supply Output 24 VDC c sn ca PLC vi dng ra tng cng ti a l0.3A. Cc cng tc ny m phng cc u vo s (l cc u vo ch c 2trng thi) trong thc t bng cch bt tt bng tay cc cng tc ny, do vythun tin trong vic th nghim hay o to.

D! i y l 1 v d khi u dy u vo vi cc thit b c trong thc tthay cho cng tc m phng :

% Cc cch ni u vo s ca PLC c th c 3 dng sau:

1) u vo l tip im rle (Relay)

& &

& &

'

' '

'

' '

'

'

'

00

01

02

03

04

05

06

07 08

09

10

11

+ 24VDC

- 0V

Nt bm

Cng tc gii hn

u pht

Sensor tim cn

u thu

Sensor quangloi thu pht

Mch lin ng

'

COM

.

. Relay

5 mA/12 mA CPM1 IN

COM ( + )




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2) u vo l transistor kiu NPN

3) u vo l transistor kiu PNP

Ch Dng vo ca cc u vo IN00000- IN00002 = 12 mADng vo ca cc u vo khc = 5 mA

Khi u vo ca PLC mc ON, cc n t! ng ng trn PLC u sng

# Cc a ch b nh (Address) trong PLC

Tt c cc u vo ra cng nh! cc b nh l ! u tr khc trn PLC khi s dngtrong ch! ng trnh u thng qua cc a ch b nh t! ng ng. Cc a chb nh ! c t chc thnh cc nhm gm 16 bit gi l word hay Channel(CH). Mi bit c gi tr 0 hoc 1. Cc bit ! c nh s t 00 n 15 t phiqua tri.

a ch y ca mi bit s ! c k hiu bng 5 ch s: 3 ch s u t triqua l k hiu ca channel, 2 ch s tip theo l s th t ca bit.

15 14 13 12 11 10 09 08 07 06 05 04 03 000102

0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 0 CH000

CH001

CH002

CPM1 5 mA /12 mA

Sensor

IN

COM (+)

Sensor powerSupply Output

+

0 V

CPM1

5 mA /12 mA IN

COM (-)

Sensor powerSupply

Output

+

0 V




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Khi tham chiu n tng bit ny, ta phi ch nh a ch cachannel (word) v s ca bit trong word.

Cc vng nh (Memory Areas ) trong CPM"

Channel Bit

CH000

CH001

CH002

15 14 13 12 11 10 09 08 07 06 05 04 03 000102

0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 0

00000 00009 00006 00015

00100

00201

CH 000 CH 001 CH 002 CH 009INPUT AREA

CH 010 CH 011 CH 012 CH 019OUTPUT AREA

CH 200 CH 210 CH 211 CH 239WORK AREA

SR 240 SR 255SPECIAL REGISTERS

TR 0 TR 7TEMPORARY REGISTERS (Relays)

HR 00 HR 19HOLDING REGISTERS (Relays)

AR 00 AR 15 AUXILLIARY REGISTERS (Relays)

LR 00 LR 15LINK REGISTERS (Relays)

TIM 000 TIM 127TIMER / COUNTER

DM 0000 DM 1023

DATA MEMORY Read / Write

DM 6144 DM 6599

DATA MEMORY Read Only

DM 6600 DM 6655

DATA MEMORY PLC Set up




11/39

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Cc vng nh th ! ng dng trong b CPM"

CH000-CH009 INPUT AREA (cc u vo)CH010 - CH019 OUTPUT AREA (Cc u ra)CH200 - CH239 WORK AREA (vng nh h tr dng t do)SR240 - SR255 SPECIAL REGISTERSTR0 - TR7 TEMPORARY REGISTERS (Relays)HR00 - HR19 HOLDING REGISTERS (Relays) AR00 - AR15 AUXILIARY REGISTERS (Relays)LR00 - LR15 LINK REGISTERS (Relays)TIM/CNT 000 - TIM/CNT 127 TIMER / COUNTER

( a ch dng bit v word ca timer vcounter)

DM0000 - DM1023 DATA MEMORY READ / WRITE - Vng

nh cho php c ghiDM6144 - DM6599 DATA MEMORY READ ONLY - Vng nhch cho php c

DM6600 - DM6655 DATA MEMORY PLC SETUP - Vng nhl! u thit lp ca PLC

Vi b CPM1 Training kit, cc a ch bit trong word CH00 t Bit 00 n Bit 11l cho cc u vo, cn trong word CH010 cc Bit 00 n Bit 7 l cho cc ura. Khi vit trong ch! ng trnh, cc a ch ny th! ng ! c vit d! i dng vd 000.01 (c du chm gia a ch ca word v s ca bit trong word) hoc00001 (khng c du chm).




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10

H! ng dn t hc PLC CPM" qua hnh nh Ch ! ng 3: Lp trnh bng Programming Console

Programming Console l 1 b bn ph m lp trnh cm tay cho PLC caOMRON dng ngn ng lp trnh dng dng lnh Mnemonic Code. N cng ! cdng c ch! ng trnh trong b nh v thit lp cc ch hot ng ca PLC.

B Programming Console s !

c ni vo cng Peripheral Port ca PLC dng cpi km, qua y Programming Console s nhn ngun nui t PLC, ng thi c thc ghi ch! ng trnh trong PLC.

! 3." Khi uKhi mi ni Programming Console vi PLC, mn hnh ca Programming Console shi Password trn mn hin th (Display)

nhp Pasword truy cp, bm nh! sau :

< PROGRAM >

PASSWORD!

00000 MONTRCLR CLR

PRO01

MONITOR

PROGRAMRUN

FUN

CLR

NOT

CNT

TIM EM

DM

TR*EM

LR

SFT SHIFT

AR

HR

CONT

#CH

*DM

LD OUT

ORAND

32

0

INS

Programming Console !"#!$!"#!$!"#!$!"#!$

1

EXT

WRITE

CHG SRCH

DELSET

RESET

VER

MONTR

987

5 64

B C D

E

A

F




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11


Sau khi bm nh! vy ta s thy xut hin s 00000: y l s th t ca b! c lptrnh u tin ca PLC. Nu bm tip ph m c hnh mi tn xung, ta s thy ccb! c tip theo ca ch! ng trnh c sn trong PLC.

Ghi ch : Cc hnh mi tn ch biu th trnh t bm cc ph m trnProgramming Console.

3.2 Cc ch hot ng ca PLC

Ta c th chuyn i ch ca PLC mt cch d dng bng cch xoay cha khotrn bn ph m.

!!! ! 3.3 Xo ch! ng trnh trong PLC

1) Chuyn PLC sang ch Program mode

RUN MONITOR PROGRAM

2) Bm nt mn hnh hin th 00000

00000

3) Bm ln l! t cc nt sau xo ch ! ng trnh tromg b nh PLC

! 3.4 V d v cch nhp" ch! ng trnh

< PROGRAM>

# Ch Program :L ch lp v sa ch! ng trnh cho PLC. Ch! ng trnh trongPLC s khng ! c thc hin ch ny

# Ch theo di MonitorL ch trong ch! ng trnh trong PLC s ! c thc hin, ngthi cc a ch b nh trong PLC c th ! c t li trc tip t blp trnh nh! cc bit vo ra (I/O BITS), cc Timer, Counter, vngnh DM y l ch nn t khi mun sa ch! ng trnh.

# Ch RUN (Run mode)L ch m ch! ng trnh iu khin trong PLC ! c thc hin(chy) v ni dung bn trong PLC ch c th theo di ch khng thsa i t bn ngoi. y l ch nn t sau khi ch! ng trnh ! c nhp v kim tra ng n

CLR

CLR

MONTRNOTSET RESET CLR




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a ch Lnh v tham s00000 LD 0000000001 AND 0000100002 OUT 01000

00003 LD 0000200004 AND 0000100005 OUT 0100100006 END(01)

1. Ni Programming Console vi PLC v chuyn kho v v tr Program Mode.

2.

3.

4.

5.

6.

7.

8.

Thao tc cui cng va ri l np lnh END (kt thc) vo ch! ng trnh. Tt ccc ch ! ng trnh u phi kt thc bng lnh ny, nu khng c, PLC s bo li.

Sau khi nhp xong, bm cc mi tn ln v xung kim tra ch! ng trnh va

nhp. chy ch!

ng trnh, chuyn kho chuyn trn Programming Console v vtr Run hoc Monitor.

! 3.5 Tm kim trong ch! ng trnh(Search) Chc nng tm kim (Search) ! c dng tm kim nhanh 1 lnh hoc 1 a chtrong ch! ng trnh. Sau ta c th thc hin cc thao tc nh! xo lnh, sa lnhhay a ch.

V d : Trong ch! ng trnh d! i y c 2 lnh AND 00001 2 a ch khc nhau :

a ch Lnh00000 LD 00000

CLRA

0WRITE

LD

OUT A

0 A

0 A

0 B

1 A

0 WRITE

FUNA

0 B

1 WRITE

ANDB

1 WRITE

C

2 WRITE

LD

B

1 WRITEAND

OUT A0

B

1 A

0 B

1 A

0 WRITE




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0000" AND 0000" 00002 OUT 0100000003 LD 0000200004 AND 0000" 00005 OUT 0100100006 END(01)

tm n a ch lnh AND 0001 ny, thc hin nh! sau :

Mi ln bm ph m s ! a ta n ni gp lnh cn tm k tip.

3.6 Xo lnh(Delete) xo lnh hin ang ! c hin th trn Display ca Programming Console, bmcc ph m sau :

Ch : Kho chuyn trn Programming Console phii ! c t v v tr Programmode

V d: Cn xo lnh LD 00002 trong ch! ng trnh d! i y a ch Lnh

00000 LD 0000000001 AND 0000100002 OUT 0100000003 LD 0000200004 AND 0000100005 OUT 0100100006 END(01)

1) Bm mi tn xung cho n khi gp lnh LD 00002

2) Bm ln l! t xo lnh ny

Sau khi LD 00002 ! c xo, lnh bn d ! i lnh ny l AND 00001 s ! cd ch ln a ch 00003 v ch! ng trnh mi s l :

a ch Lnh00000 LD 0000000001 AND 0000100002 OUT 0100000003 AND 0000100004 OUT 01001

00005 END(01)

CLR AND SRCHSRCHB

1

SRCH

DEL

DEL




16/39

14


3.7 Chn thm lnh(Insert)

Cc lnh mi c th ! c chn vo trn lnh ang ! c hin th trong ch! ngtrnh hin hnh.

V d Ta mun chn lnh OR 00002 vo gi! lnh AND 00001 v OUT01000 ca ch! ng trnh sau : a ch Lnh

00000 LD 0000000001 AND 00001

OR 0000200002 OUT 0100000003 AND 0000100004 OUT 0100100005 END(01)

Trnh t thc hin :

1) Bm nt mi tn cho n khi mn hnh hin th OUT 01000

2) Nhp vo lnh OR 00002 nh! bnh th! ng

3) Bm theo th t

3.8 Theo di cc hot ng ca PLC a- Theo di trng thi " tip im (" bit)

+ + bit address +

V d Theo di trng thi ca Channel 000 Bit 01

b- Bt tt c! ng bc cc bit (Forced Set / Reset)

Sau khi hin th v theo di trng thi bit CH010.00 b! c trn, c! ngbc bt bit ny ln trng thi ON bm nt

c! ng bc bt bit ny v trng thi OFF bm nt

SHIFT

0000

00001

$ ON MONTR

CLR

CONT

#B

1

INS

2OR

SHIFT MONTRCONT

#

RESET

SET




17/39

15


c- Theo di gi tr" word (Channel)

+ + Word cntheo di +

V d : theo di Channel 000

Trng thi tng bit trong word CH000 c th ! c theo di khi bm tip ph mShiftvMONTR:

Cc bit trong Channel 000 hnh trn ! c biu din t phi qua tri, bit bn ohingoi cng l bit 0. Trng thi bt (ON) ca bit ! c biu th bng s 1 cn trngthi tt (OFF) ! c biu th bng s 0

Nu bt cc cng tc u vo s 1 v 2 ta s thy cc bit t!

ng ng !

c bt trnProgramming Console nh! d! i y

d- Ghi gi tr mi vo word

SHIFTc0000

0000000000000000

c000

0000

MONTR

CLRc0000

0000000000000011

c000

0003

SHIFT MONTRCH

* DM

SHIFT

00000

00000

CHANNEL 000

c0000000

MONTR

CLR

A

0CH

*DM

Gi tr ca word ! c ghi bn d ! i a ch word cntheo di (c000)




18/39

16


Gi tr hin hnh ca word c th ! c ghi vo t Programming Console nh! v d sau, channel 010 s ! c ghi gi tr mi l 000F khng ph thuc voch! ng trnh hin hnh trong b nh PLC :

+

Ni chung cc a ch b nh u vo ra (IR) khng nn ! c ghi tr phi angth nghim. Sau y l 1 v d ghi 1 gi tr mi vo word DM 1000

SHIFT

00000

c010 0000MONTR

CLR

F

5

CH

*DM

B

1

PRES VAL?

c010 0000 ????

SHIFT WRITE

CHG

A

0

c010000F

c010

000F

D1000 c010

0000 000F MONTR

EM

DM

B

PRES VAL?

D1000 0000 ????

WRITE

CHG

A

D1000 c010

1234 000F

A

D

A

E B C

1 0 0 0

1 2 3 4




19/39

[ 17 ]

H! ng dn t hc PLC CPM " qua hnh nh Ch ! ng 4: Lp trnh bng s bc thang Ladder Diagram

4. Lp trnh bng s bc thang Ladder Diagram

Cc lnh c bn ca s bc thang (LADDER DIAGRAM)

! Thnh phn lun lun phi c trong s gi l power bus, lni dn ngun in (t! ng t! ng) i vo v i ra s

4." LDLnh LD ni vi power bus tri s khi u" network ca s Ladder Diagram. S ghi ph a trn k hiu lnh l a ch thng s calnh.

4.2 OUTLnh OUT ging nh! " r le chp hnh ! a ra kt qu logic ca cc

lnh i tr ! c vo " tip im (bit) OUTPUT

ch! ng trnh trn kt qu logic ca lnh LD 00000 (tip im ng m) siu khin u ra l tip im 0" 000.Khi nhp on ch! ng trnh trn vo PLC, phi m bo ang ch Program Mode v cui ch! ng trnh phi c lnh END.

LD 00000OUT 0" 000END (0" ) +

Sau chuyn sang ch Monitor hoc RUN chy. Bt th cng tc00000 s khin u ra 0" 000 cng bt sng.

# ch! ng trnh sau, khi bt cng tc 00000 (cng tc th nht trn bTraining CPM" ), u ra CH0" 0.00 s ! c bt ln ON.

00000LD 00000

00000

01000LD 00000OUT 01000

0 1FUN

00000

01000

END(01)




20/39

[ 18 ]


4.3 AND

Lnh AND s to ra" logic ging nh! hnh d! i y :

+

-

v d trn, vic ni tip 2 iu kin logic A v B s i hi c A v Bu tc ng (ng) th n C u ra mi sng. D! i y l" LadderDiagram c dng lnh AND.

Lc ny, khi bt cng tc CH000.00 ng thi bt cng tc CH000.0"

th n u ra Output 0" 0.00 mi sng.

4.4 OR

Lnh OR s to ra " logic ging nh! hnh d! i y

00000

01000

END(01)

00001LD 00000AND 00001OUT 01000END(01)

00000

01000

END(01)

00001LD 00000AND 00001OUT 01000END(01)

$ $ A B

$ $

C

$ $

A

B$ $

C +

-




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v d trn, vic ni song 2 iu kin logic A v B s ch i hi hoc A hoc B tc ng (ng) th n C u ra s sng. D! i y l" LadderDiagram c dng lnh OR.

Lc ny, khi bt cng tc CH000.00 th n u ra Output 0" 0.00 s sng.

Hoc khi bt cng tc CH000.0" th n u ra Output 0" 0.00 s sng.

Hoc khi bt cng tc CH000.00 ng thi bt cng tc CH000.0" th nu ra Output 0" 0.00 cng s sng.

4.5 AND LD

00000

01000

END(01)

00001

LD 00000OR 00001OUT 01000END(01)

0000001000

END(01)

00001

LD 00000OR 00001OUT 01000END(01)

00000

01000

END(01)

00001

LD 00000OR 00001OUT 01000END(01)

00001

00000

01000

END(01)

LD 00000OR 00001OUT 01000END(01)




22/39

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Lnh AND LD ! c dng xy dng cc khi logic phc tp hnbng cch ghp chng ni tip vi nhau.

Gi s ta c " on ch! ng trnh nh! d! i y, trong u ra 0" 000s bt khi u vo 00000 hoc 0000" V 00002 bt.

Nu by gi iu kin trn c thm u vo 00003 nh! d! i y :

Vic nhp vo on ch! ng trnh ny i hi phi chia n ra lm 2 khi nitip nhau

Sau nhp vo ring r cc lnh cho tng khi v ni 2 khi li vinhau bng lnh AND LD

4.6 OR LD

00000

01000

END(01)

LD 00000OR 00001AND 00002OUT 01000END 01

00001

00002

0000001000

00001

00002

00003

00000

01000

00001

00002

00003

LD 00000OR 00001LD 00002OR 00003AND LDEND(01)

00000

01000

00001

00002

00003

AND LD

LD 00000OR 00001

LD 00000OR 00001




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Lnh OR LD ! c dng xy dng cc khi logic bng cch ghpchng song song vi nhau.

Gi s ta c " on ch! ng trnh nh! d! i y, trong u ra 0" 000s bt khi u vo 00000 v 0000" hoc 00002 bt.

Nu by gi iu kin trn c thm u vo 00003 nh! d! i y :

nhp vo on ch! ng trnh ny ta phi chia n ra lm 2 khi con nisong song vi nhau nh ! d! i y :

V d kt hp lnh AND LD v OR LD :

00000

LD 00000AND 00001OR 00002OUT 01000

01000

00001

00002

0000301000

00001

00002

00000

00000

0000300002

01000

00001

LD 00000AND 00001

00002

01000

00001

00003

00000

LD 00002AND 00003

LD 00000

AND 00001LD 00002AND 00003OR LDOUT 01000END(01)

OR LD




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Trnh t thc hin cng phi chia thnh cc khi con v g ring r tng khivo, sau dng lnh AND LD v OR LD nhp cc khi li vi nhau.

.4.7 AND NOT

Lnh AND NOT to ra" tip im th! ng ng (ng! c vi lnh AND)

Khi i lnh AND 0000" thnh AND NOT 0000" nh! s trn, u raCH0" 0.00 s bt khi CH000.00 l ON v CH000.0" l OFF.

4.8 LD NOT

00000

01000

00001

00002

00003 00004

LD 00000AND NOT 00001OUT 01000END(01)

00000

01000

00001

LD 00000

LD 00001OR 00002

LD 00000LD 00001OR 00002AND LD

LD 00003AND 00004

0000001000

00001

00002

00003 00004

LD 00000LD 00001OR 00002AND LDLD 00003AND 00004OR LDOUT 01000END(01)

OR LD




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Lnh LD NOT to ra" tip im th! ng ng u ca on mch(ng! c vi lnh LD)

4.9 NETWORK

% " Network ! c to thnh bi cc lnh LOAD, AND, OR v OUT% Tr phi dng to cc khi logic ni vi nhau bng lnh AND LD

hoc OR LD, lnh LOAD s ! c dng to " Network mi.

4." 0 Mch cht (t gi) - LATCHING /SELF HOLDING CIRCUIT

D! i y l" s Ladder Diagram ca" mch t gi rt ph bintrong lp trnh:

LD NOT 00000AND 00001OUT 01000END(01)

00000

01000

00001

00000 00001

0100001000

00000Network I

00002

0000101000

Network II

LD 00000OR 00002AND 00001OUT 01000LD 00003OR 00005

AND 00004OUT 01001

00003 00004

01001

00005 *

Ch th t: AND 00005 phi l OR 00005OR 00004 AND 00004




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[ 24 ]


Khi bt switch CH000.00, u ra CH0" 0.00 s bt v gi trng thiny bt k sau switch 00000 c cn bt hay khng. CH0" 0.00 s b ttkhi switch 0000" bt.

4."" Cc quy tc chung ca s LADDER DIAGRAM" ) Nu mun u ra lun ON, phi ni u ra ny qua" c (Flag) l Bit

253" 3 (tc Channel 253 Bit" 3). Bit ny l" c h thng lun lun trngthi ON.

on mch sau l sai v u ra khng ni qua" tip im :

2) C th ni song song nhiu tip im dng lnh OR hoc song songnhiu u ra dng lnh OUT/OUT NOT v dng bit u vo nhiu ln

01000 OUT 01000END(01)

01000 LD 25313OUT 01000END(01)

25313

00002

00000 00001

0000001001

0100000001




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[ 25 ]


3) Nu c 2 lnh Output cho cng" a ch bit, lnh output tr ! c s khngc tc dng

on ch ! ng trnh trn ! c sa li nh ! sau

4) " on mch c th c nhiu lnh OUT ni song song nhau

01000 LD 00000OUT 01000LD 00001OUT 01000END(01)

00000

0100000001

01000 LD 00000

OR 00001OUT 01000END(01)

00000

00001

01000 LD 00000AND 00001OR 00002OUT 01000OUT 01001OUT 01002END(01)

00000 00001

00002

01001

01002




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[ 26 ]

H! ng dn t hc PLC CPM" qua hnh nh Ch! ng 5: Cc lnh ph bin khc trong lp trnh

5. Mt s lnh lp trnh ph bin khc ca PLC OMRON

5." B nh thi - TIMER

n v = 0.1 giySV = 0000 - 9999 000.0 - 999.9 giySV = 0100 0100 x 0.1 = 10 giySV = 9999 9999 x 0.1 = 999.9 giy

V d 1 Timer c set value = 100x0,1=10 giy

Khi bt kho CH000.00 ln, Timer s 000 s bt u m thi gian, khi 10giy tri qua, tip im ca Timer l TIM 000 ! c bt ln ON v lm u raCH010.00 cng ! c bt ln ON. Timer cng s b reset v gi tr t khiu vo 00000 tt (OFF)

V d 2 Timer c set value ! c l ! u trong thanh ghi DM 0000

B Timer ny c thi gian t ! c l ! u trong DM 0000. PLC s ly gitr trong DM 0000 lm gi tr t cho timer. Gi s ni dung ca DM0000 l150. Khi bt kho CH000.00 ln, Timer s 000 s bt u m thi gian, khi15 giy (150x0,1=15) tri qua, tip im ca Timer l TIM 000 ! c bt lnON v lm u ra CH010.00 cng ! c bt ln ON.

N : S ca Timer000 - 127

# (Hng s) , IR , SR, AR, DM, HR, LR

SV : set value

TIM N

SV

01000

LD 00000TIM 000

#0100LD TIM 000OUT 01000END(01)

00000

TIM 000

TIM 000# 0100

01000

LD 00000

TIM 000DM 0000LD TIM 000OUT 01000END(01)

00000

TIM 000

TIM 000DM 0000




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5.2 B m COUNTER

Lc khi u gi tr hin hnh ca b m ! c bt u ti SV. B m sgim gi tr hin hnh ca n (CNT N) i 1 n v mi ln c s! n ln xung u vo CP v c bo hon thhh CNT N s bt khi gi tr hin hnhca b m gim v 0. B m s b reset v gi tr t SV khi c s! n lnca u vo R.

V d Counter s 0 c gi tr t l 10

Mi ln bt kho CH000.00, gi tr ca Counter 000 gim i 1. Khi btkho CH000.00 10 ln th c bo CNT000 bt ln ON v do cng bt u ra CH010.00 ln ON. B m s b reset khi bt switchCH000.01

! M rng kh nng ca TIMER

9999 X 0." = 999.9 giy = 0.278 gi

CP

R

CNT N

SV

CP

R

CNT N

SV

CP

R

CNT N

SV

01000

LD 00000LD 00001CNT 000

# 0010LD CNT 000OUT 01000END(01)

00000

CNT 000

CNT 000

# 0010

COUNTER = 10

00001

TIM 000

#9999

N : S ca Counter

000 - 127

# (Hng s) , IR , SR, AR, DM, HR, LR

SV : set value




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[ 28 ]


Do thi gian t ti a ca timer l 0,278 gi nn tng thi gian mca timer, ta c th dng kt hp vi Counter nh! sau :

V d M rng thi gian t ln 10 gi

V d ng dng

Trong v d ny ta s lp trnh PLC cho cng on ng gi sn phm vo bao b. y l cng on rt hay gp trong cc dy chuyn sn xut. Trn hnh, ta thy ccsn phm hon thin ! c bng truyn chuyn ti thit b ng bao. C 5 sn phmng vo 1 bao. C 1 cm bin quang in lm nhim v pht hin sn phm trnbng truyn v gi t n hiu xung v b m trong PLC. Mi khi m 5 sn phm,b m gi t n hiu ra cho cun ht solenoid lm vic, y 5 sn phm vo bao b.Thi gian cun ht lm vic l 2 giy. Trong thi gian cun ht hot ng, bngtruyn ngng chy.

01000

= 360 giy= 0." gi

00000

CNT 001

TIM 000# 3600

3600 X 0.1

000010." gi X " 00= " 0 gi

TIM 000

CNT 001

# 0100

TIM 000

Cun ht ysn phm vobao

SolenoidSensor

Bng truyn

# #

Solenoid

Cun htch! a k ch

Bao rng

Bao y




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Tr ! ng hp ny, ta c 1 u vo duy nht l t n hiu xung t cm bin, t lbit 00. 2 u ra s l t n hiu gi n cun ht, t l 1001, v t n hiungng bng truyn, t l 1000.

a ch Thit b vo a ch Thit b ra

00000 Sensor 01000 Bng truyn01001 Cun ht

Solenoid a ch Lnh khcCNT 000 B m sn phmTIM 001 B nh thi gian k ch hot cun

ht

Ch! ng trnh cn lp s nh! trn s d! i y :

Bnh th! ng khi cun ht khng lm vic, bng truyn chy nh c tip imth! ng ng 1001 trng thi OFF. Lc ny cm bin s gi t n hiu xungv PLC mi khi c sn phm i qua v u vo ny ! c dng lm u vom ca b m CNT 0. Khi c 5 sn phm, tip im CNT 0 s ng,reset counter v gi tr ban u l 5, ng thi gi t n hiu cho cun ht vtimer lm vic trong mch t gi. Lc ny, bng truyn cng ngng chy dotip im 1001 ngt mch hot ng ca u ra 1000. Sau 2 giy, tip imTIM 001 s ngt ngun hot ng ca cun ht v bng truyn tip tc chy,lp li chu trnh.

Ch : Lnh END cui ch! ng trnh ch nh du vic kt thc chu trnhlm vic hin hnh ca PLC v bt u chu trnh mi t lnh u tin cach! ng trnh. N khng c ngha l ch! ng trnh s dng. Ch! ng trnh chdng khi ta chuyn ch sang PROGRAM MODE hoc khi c s c nghimtrng bn trong PLC.

01001

00000

CNT 000

# 0005

LD 00000LD CNT 000CNT 000

#0005LD CNT 000OR 01001AND NOT TIM 001OUT 01001TIM 001

#0020

LD NOT 01001OUT 01000END(01)

01001TIM 001# 0020

TIM 001Solenoid

CNT 000

CNT 000

0100101000

END 01

Bng truyn




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Vn phng i din OMRON Asia Pacific Pte. Ltd. ti Vit nam

!"#!$ Cat. No. PLC-TRN-VIS-2V

Visual Guide to Programming OMRON PLCs




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Li gii thiu

Tp sch ny l tI liu I km vi cun bng video h! ng dn t tm hiu v biu khin lp trnh, hay gi tt l PLC loi CPM" ca hng OMRON Nht bn.Qua y, cc bn s nm ! c nguyn l cu to, hot ng ca PLC nichung, cng nh! cch lp trnh cho PLC OMRON ni ring bng bn ph m cmtay hoc phn mm SYSWIN dng trn my t nh. t ! c hiu qu caonht, nn tham kho c ti liu H! ng dn t hc PLC bng ting Vit ca chngti v ti liu h! ng dn i km vi PLC (ting Anh).

Mi thc mc v k thut v kin ng gp xin gi ti VPD cng ty OMRONti Vit nam theo a ch ghi trn nhn bng. Chc cc bn thnh cng.

Mc lcCh! ng " . Gii thiu chung b PLC CPM" cho o to v th nghim " Ch! ng 2. Cu trc c bn ca PLC 3Ch! ng 3. Lp trnh bng PROGRAMMING CONSOLE (b lp trnh cm

tay) " 0Ch! ng 4. Lp trnh bng s bc thang " 7Ch! ng 5. Mt s lnh lp trnh ph bin khc 26Ch! ng 6. Lp trnh bng phn mm SYSWIN trn my t nh 30




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