plc basic.ppt

5/19/2018 PLC basic.ppt

1/64148Bis Nam Ky Khi Ngha, Q. 1Provina technology ltd. Ho Ch Minh City

LAP TRNH PLC SIEMENS

S7_300



Chng 1. Gii Thieu Ve He Thong ieu Khien PLC Siemens

1.1 Tong quan ve he thong ieu khien t ong

1.2 He thong ien Kh nen , ien Thuy lc

1.3 He thong ieu khien bang Rle , Contactor .1.4 He thong ieukhien bang PLC

1.5 Input / Outputcua bo ieu khien plc



Chng 2 . Gii Thieu Bo ieu Khien Lap Trnh PLC Siemens

2.1 ac iem cua bo ieu khien lap trnh PLC siemens

2.2 Module Input /Output cua PLC

2.3 CPU

2.4 Qui nh a ch cua cac in put/ out put , module m rong tren PLC .2.5 Cac module chuyen dung

2.5.1 Module so

2.5.2 Module .A/D

2.5.3 Module D/A2.5.4 Module ieu khien truc ong c AC/DC servo



2.6 Mang truyen thong bus

2.6.1 MPI

2.6.2 PROFILBUSDP: CPU 315-2DP, CPU

313C2DP, CPU 314C-2DP

2.7 Module AS-Interface



Chng 3 . Cac Thanh Phan C Ban Trong He Thong ieu Khien PLC

Siemens

3.1 phan mem SIMATIC S7 300

3.2Phan mem mo phong SIMATIC WINCC

3.3 May tnh PC/PG

3.4 PC Cable RS232, RS485



Chng 4 Gii thieu Phan Mem SIMATIC S7- 300

4.1 Cai at phan mem SIMATIC S7

4.2 Khai bao phan cng cho CPUS7300

4.3 Soan thao motProject

mi .4.4 Download& Uploadchng trnh

4.5 Cac thanh phan trong th vien cua

S7 300 .4.6 Ngon ng lap trnh cua ho SIMATIC : Ladder ,STL , FBD.



Chng 5 . Tap Lenh C Ban

5.1 Contac thng m / thng ong

5.2 Output coil

5.3 Set/ Reset coil

5.4 Mot so ham c ban

5.4.1 AND

5.4.2 NAND( AND not)

5.4.3 OR

5.4.4 NOR

5.4.5 XOR( exclusive OR )

5.4.6 NOT


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148Bis Nam Ky Khi Ngha, Q. 1Provina technology ltd. Ho Ch Minh City

Chng 6. Timer , Counter , C nh trung gian M)

6.1 Timer :

1 Timer- On

2 Timer Off6.2 Counter

1 Counter Up

2 Counter Down

6.3 High speed Counter


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Chng 7. Bai tap thc hanh

Bai Tap Tong Hp Kiem Tra


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Gii thieu ve PLC

1.PLC(programmable logic controller) la thiet

b ieu khien lap trnh c

2.Thc hien de dang cac thuat toan va

thay oi chng trnh

3.Thay the cac mach ieu khien t ong

s dung cac mach ien thong thng

4.Lap rap va thay the nhanh chong

5.n gian cho ngi s dung


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Cau truc PLC

CPU(central processing unit)

Module nguon

Module input

Module output


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Khai niem ve plc

CR

Isolation

Barrier

Isolation

Barrier

Central

Processor

MEMORY

program data

Low Voltage

AC Power

Supply

85-264 VAC,

50/60Hz

Output

C

i

r

cu

i

t

s

DC Power

Supply

or

Communications

Port

Input

C

i

r

c

u

i

t

s


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PLC SIEMENS S7_300


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INPUT


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OUTPUT


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CHU KY HOAT ONG CUA CPU S7_300

OB1thc hien theo

vong quet

OB100Ngat tai thi iem nh trc

OB82: Modun chuan oan loi


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Chu ky quet cua PLC

Input Scan

Start

Program Scan

utput Scan

Communication

Housekeeping


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S O KHI ONG CUA PLCCPU chuyen t che o Stop sang Run

OB100

oc cac ngo vao so vao bo em vao so

OB1

Chuyen bo em ra so ti cac ngo ra so

Kiem tra loi va truyen

thong


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CAU HNH MOT PLC

CPU

Module m rong

INPUT OUTPUT


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CAC THANH PHAN CUA MOT PLC S7_300


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1. Module vao tn hieu so(DI)

2. Module vao tn hieu analog(A/D)

3. Module cam bien nhiet o

4. Module ieu khien truc5. Module nh v loai phat xung

6. Module ieu khien qua trnh

7. Module ieu khien ong c(step, servo

v.v)

Chc nang cac module I/O


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Pham vi ng dung

ieu khien robot

ieu khien he thong FMS, MPS, SCADA,

CIMs .v.v

ieu khien qua trnhGiam sat mang thu nhan va cap phat

d lieu

ieu khien trnh t


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Kha nang lap trnh

Ngon ng lap trnh Ladder(bac thang) dang

o hoa

De hoc, de lap trnh

Kha nang m rong mang tnh he thongcao

Manh ve chc nang x l truyen thong

va thu nhan d lieu cao


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CACH XAC NH A CH CAC INPUT-OUTPUT SO


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CACH XAC NH A CH CAC INPUT-OUTPUT ANALOG


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Cau hnh phan cng

Ranh 1: Nguon cung cap 24VDC/5A

Ranh 2 : CPU 315-2DP

Ranh 4 :Input 16x24V t bo mo phong

Ranh 5 : Input 16x24V : cong tac xoayRanh 7 : Output 16x24V : man hnh so

V.v .


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ac tnh ky thuat cua PLC 315-2DP

Bo nh lam viec : 48 kbyte

Dung lng RAM : 80 kbyte

Dung lng EPROM : 512 kbyte

So lng DI/DO : 1024

AI/AO : 128

Scan time 1 KB lenh : 0.3 ms

Bo nh : 2048 KbyteSo lng Counter/Timer : 64/128


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Yeu cau can thiet e cai at phan mem Step 7

(SIMATIC S7-300)

Phan cng/Phan mem Yeu cau

1. Bo x l trung tam 80486

2. Dung lng o cng 180 MB

3. RAM 16 MB

4. He ieu hanh Window 95

5. Phan mem Step 7 verson 5.x

6. Cap lap trnh MPI, PROFIBUS


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TRAO OI D LIEU GIA CPU VA CAC MODULE M RONG


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Lap trnh Ladder

Qui nh ghi ky hieu I/O

Input :

I0.0, I0.1, I0.2, I0.3 I0.7

I1.0 I1.7V.V

Output :

Q0.0, Q0.1, Q0.7

Q1.0, Q1.1, Q1.7

V.V


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Mang Truyen Thong BUS


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PROFIBUS-DP


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S O KET NOI MANG INDUSTRIAL ETHERNET CONG NGHIEP


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S o ket noi mang P-to-P Link


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Mo hnh mot mang AS-I cong nghiep


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TAO MOT PROJECT MI

Click vao bieu tng


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TAO MOT PROJECT MI

M mot Project a co.

Tao mot Project mi.


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TAO MOT PROJECT MI


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M MOT PROJECT CO SAN


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XAY DNG CAU HNH PHAN CNG CHO CPU

Step_1


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Step_2


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Step_3


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Step_4


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Step_5


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Step_6


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Step_7


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NGON NG LAP TRNH : LADDER, FBD, STL


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Tap Lenh C Ban

Contac thng m

Contac thng ong


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Output coil


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AND


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OR


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NOR


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XOR ( exclusive OR )


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NOT

Not


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Lap trnh Ladder (timer)

S : Khi ong ngo vao

TV : Gia tr thi gian

R : Xoa ngo vao

Q : au ra c tac ongBI : Duy tr gia tr thi gian (dang so

nguyen)

BCD : Duy tr gia tr thi gian (dang so

BCD)


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S : Khi ong ngo vao


R : Xoa ngo vao


nguyen)


BCD


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S : Khi ong ngo vao


R : Xoa ngo vao


nguyen)


BCD


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S : Khi ong ngo vao


R : Xoa ngo vao


nguyen)


BCD


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S : Khi ong ngo vao


R : Xoa ngo vao


nguyen)


BCD


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Lap trnh Ladder (counter)

CU :em len ngo vaoCD :em xuong ngo vao

S : Set ngo vao cho counter

PV :Gia tr c sap xep t 0 en 999 cua counter

c at san trc. (C# e ch ro dang

BCD

R :Reset ngo vao

Q :au ra c tac ong

CV : Gia tr hien tai cua counter (dang so integer)

CV-BCD :Gia tr hien tai cua counter (dang so BCD)

Trang thai tn hieu ngo ra Q xuat ra ket qua la1 khi gia tr bo em ln hn 0; viec kiem tra xuat

ra ket qua 0 khi gia tr bo em bang 0.


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CU :em len ngo vao


PV :Gia tr c sap xep t 0 en 999

cua counter c at san trc. (C#

e ch ro dang BCD

R :Reset ngo vao

Q :au ra c tac ong

CV : Gia tr hien tai cua counter (dang so

integer)

CV-BCD :Gia tr hien tai cua counter

(dang so BCD)

Ngo ra Q xuat ra ket qua la 1 khi giatr em ln hn 0


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CD : em xuong ngo vao


PV :Gia tr c sap xep t 0 en 999

cua counter c at san trc. (C#

e ch ro dang BCD

R :Reset ngo vao

Q :au ra c tac ong

CV : Gia tr hien tai cua counter (dang so

integer)CV-BCD :Gia tr hien tai cua counter

(dang so BCD)


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Bai tap cho tng nhom

Cho mot xylanh s dung mot valve ieu khien ien hai au co2 cam bien hanh trnh.

a)lap chng trnh cho xylanh hoat ong khi an nut start. Xylanh

ao chieu khi ta an nut Stop.

b) Hay thc hien qua trnh ten vi chu ky T1=5s sau mi tac

ong tai moi cuoi chu ky

c)thc hien an nut bang tay nut an start, chu trnh thc hien

se lam viec t ong sau 5 lan valve hoat ong


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a ch Start: I125.0

Stop: I125.1

Reset: I125.3

AUTO/MANUAL:I125.2

en Start: Q125.0

en RESET:Q125.1

plc basic.ppt

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