Chuong3cuhnhthitb 150205203338 Conversion Gate02

N HC PHN 2A GVHD: ThS HONG NH KHI

CHNG 3: CU HNH THIT B Trang 3 - 1

Chng 3

Cu hnh thit b



Ta to ra cu hnh thit b cho PLC bng cch thm mt CPU v cc module b sung

vo n.

Module truyn thng (CM): ti a l 3, c chn vo cc khe s 101, 102 v 103

CPU: khe s 1

Cng Ethernet ca CPU

Bng tn hiu (SB): ti a l 1, c chn vo CPU

Module tn hiu (SM) dnh cho I/O tng t hay s: ti a l 8, c chn vo

trong cc khe t 2 n 9 (CPU 1214C khi ng 8 SM, CPU 1212C khi ng 2 SM

cn CPU 1211C khng khi ng CM no)

to ra cu hnh ca thit b, thm mt thit b vo n.

Trong kiu xem Portal, chn

Device & Networks v nhp

vo Add device.

Trong kiu xem Project, di cy n nhp i chut vo Add new device.



3.1. Chn mt CPU.

Ngi dng to ra cu hnh cho thit b bng cch chn mt CPU vo n.

Vic la chn CPU t hp thoi Add new device s to ra thanh (rack) v CPU.

Hp thoi Add new device

Device view ca cu hnh phn cng



Vic la chn CPU trong mc Device view s hin th cc thuc tnh ca CPU

trong ca s kim tra.

Lu

CPU khng c mt a ch IP c cu hnh trc. Mt cch th cng, ngi

dng phi gn gi tr a ch IP cho CPU trong sut vic cu hnh thit b. Nu CPU

c kt ni n mt b nh tuyn (router) trong mng, ngi dng cn phi nhp

vo a ch IP cho router .



3.2. Nhn bit cu hnh ca mt CPU cha xc nh.

Ti ln d dng mt cu hnh phn cng c to sn

Nu c kt ni n mt CPU, ngi dng c th ti

ln cu hnh ca CPU n n, bao gm bt k cc

module no. Thng l to ra mt n mi v la

chn Unspecified CPU thay v la chn mt CPU

xc nh. Ngi dng hon ton c th b qua vic cu

hnh thit b bng cch la chn mc Create a PLC

program t First Steps. Phn mm STEP 7 Basic

sau s t ng to ra mt CPU cha c xc nh.

T trnh son tho chng trnh, la chn lnh Hardware detection trong trnh n

Online.

T trnh son tho cu hnh thit b, la chn ty chn cho vic pht hin cu

hnh ca thit b c kt ni.



Sau khi ngi dng la chn CPU t hp thoi trc tuyn, STEP 7 Basic ti ln

cu hnh phn cng t CPU, bao gm bt k module no (SM, SB hay CM). Ngi

dng sau c th cu hnh cc thng s ca CPU v cc module.

3.3. Cu hnh s hot ng ca CPU.

cu hnh cc thng s vn hnh ca CPU, la chn CPU trong phn Device

view (vin xanh dng quanh CPU ), v s dng th Properties ca ca s kim

tra.

Chnh sa cc thuc tnh cu hnh cc thng s sau y:

Giao din PROFINET: thit lp a ch IP cho CPU v s ng b ha thi gian

DI, DO v AI: cu hnh cch x l ca I/O kiu s v kiu tng t cc b (tch

hp)

Cc b m tc cao v cc my pht xung: khi ng v cu hnh cc b

m tc cao (HSC) v cc my pht xung c s dng cho cc vn hnh

chui xung (PTO) v b iu ch rng xung (PWM).



Khi ngi dng cu hnh cc ng ra ca CPU hay ca bng tn hiu nh cc

my pht xung ( s dng vi PWM hay cc lnh iu khin chuyn ng c bn),

cc a ch ng ra tng ng (Q0.0, Q0.1, Q4.0 v Q4.1) c di chuyn khi b nh

Q v khng th c s dng cho cc mc ch khc trong chng trnh ngi dng.

Nu chng trnh ngi dng ghi mt gi tr n mt ng ra c dng nh mt my

pht xung, CPU s khng ghi gi tr n ng ra vt l.

Startup: la chn cch x l ca CPU theo mt s chuyn i t OFF sang ON,

v d nh khi ng trong ch STOP hay chuyn sang ch RUN sau mt

s khi ng li nng.

Time of delay: thit lp thi gian, mi gi v thi gian tit kim nh sng ngy.

Protection: thit lp bo v c/ghi v mt khu cho vic truy xut CPU.

System and clock memory: khi ng mt byte ca cc hm system memory

(i vi bit first scan, bit always on v bit always off) v khi ng mt

byte ca cc chc nng clock memory ( mi bit o chiu ON v OFF ti

mt tn s c xc nh trc).

Cycle time: xc nh thi gian chu k ti a hay mt thi gian chu k ti thiu

khng i.

Communication load: nh v mt t l phn trm ca thi gian CPU chuyn

dng cho cc nhim v truyn thng.



3.4. Thm cc module vo cu hnh.

S dng danh mc phn cng thm cc module vo CPU. C 3 kiu module:

Cc module tn hiu (SM): cung cp cc im I/O b sung kiu s hay kiu

tng t. Cc module ny c kt ni bn phi CPU.

Bng tn hiu (SB): cung cp ch mt vi im I/O b sung cho CPU. SB c

lp t mt trc ca CPU.

Cc module truyn thng (CM): cung cp mt cng truyn thng b sung

(RS232 hay RS485) cho CPU. Cc module ny c kt ni bn tri CPU.

chn mt module vo trong cu hnh phn cng, la chn module trong

danh mc phn cng v nhp i chut hay ko module n khe c t sng.



Tn

module La chn module Chn module Kt qu

SM

SB

CM



3.5. Cu hnh cc thng s ca cc module.

cu hnh cc thng s vn hnh cho cc module, la chn module trong

Device view v s dng th Properties ca ca s kim tra cu hnh cc thng s

cho module.

Cu hnh mt module tn hiu (SM) hay mt bng tn hiu (SB)

I/O kiu s: cc ng vo c th c cu hnh cho vic pht hin ngng tng

hay ngng gim (mi ngng lin quan vi mt s kin v ngt phn cng) v

cn cho vic bt gi xung ( lu li sau mt xung tc thi) cho n cp nht

k tip ca nh tin trnh ng vo. Cc ng ra c th s dng mt gi tr ngng

pht trin hay mt gi tr thay th.

I/O kiu tng t: i vi cc ng vo ring l, cu hnh cc thng s, nh l

kiu i lng o (in p hay dng in), phm vi v s lm trn, v khi

ng cc chn on trn di hay trn ra. Cc ng ra cung cp cc thng s nh

l kiu ng ra (in p hay dng in) v dnh cho cc chn on, v d nh

ngn mch (i vi ng ra in p) hay cc chn on gii hn di/trn.

Cc a ch chn on I/O: cu hnh a ch khi u dnh cho thit lp ca cc

ng vo v ng ra ca module.



Vic cu hnh mt module truyn thng (CM)

Cu hnh cng: cu hnh cc thng s truyn thng, nh tc baud, tnh chn

l, cc bit d liu, cc bit dng, iu khin dng, cc k t XON v XOFF, v

thi gian ch.

Cu hnh thng ip truyn pht: khi ng v cu hnh cc ty chn c lin

quan n truyn pht.

Cu hnh thng ip thu nhn: khi ng v cu hnh cc thng s khi u

thng ip v kt thc thng ip.

Cc thng s cu hnh ny c th c thay i bi chng trnh.



3.6. To ra mt kt ni mng.

Ngi dng s dng Network view trong Device Configuration to ra cc

kt ni mng gia cc thit b trong n. Sau khi to ra kt ni mng, s dng th

Properties ca ca s kim tra cu hnh cc thng s ca mng.

Hot ng Kt qu

La chn Network view

hin th cc thit b dng kt

ni

La chn cng trn mt thit b

v ko kt ni n cng trn

thit b th hai

Th chut to ra kt ni mng



3.7. Cu hnh mt a ch IP trong n.

Vic cu hnh giao din PROFINET

Sau khi cu hnh CPU trn thanh , ngi dng c th cu hnh cc thng s

cho giao din PROFINET. lm iu ny, nhp vo hp PROFINET mu xanh l

cy trn CPU la chn cng PROFINET. Th Properties trong ca s kim tra s

hin th cng PROFINET.

Cng PROFINET

Vic cu hnh a ch IP

a ch Ethernet (MAC): trong mt mng PROFINET, mi thit b c gn

mt a ch MAC (Media Access Control: iu khin truy xut truyn thng) bi nh

sn xut nhm nhn dng. Mt a ch MAC bao gm 6 nhm gm 2 k ch s thp

lc phn, c ngn cch bng cc du gch ni (-) hay cc du hai chm (:), theo th

t truyn pht, v d 01-23-45-67-89-AB hay 01:23:45:67:89:AB.

a ch IP: mi thit b cn cn phi c mt a ch IP (Internet Protocol: giao

thc mng quc t). a ch ny cho php thit b chuyn giao d liu trn mt mng

phc hp hn v c nh tuyn.

Mi a ch IP c chia thnh 4 on 8 bit v c th hin theo nh dng

thp phn c du chm, v d 211.154.184.16. Phn u tin ca a ch IP c dng

cho Network ID (loi mng ang s dng), v phn th hai l cho Host ID (n nht

i vi mi thit b trn mng). Mt a ch IP di dng 192.168.x.y l mt k hiu

tiu chun c nhn bit nh mt phn ca mng ring m khng c nh tuyn

trn Internet.



Mn chn mng con: mng con l mt s kt nhm theo logic gm cc thit b

mng c kt ni. Cc im nt trn mt mng con c khuynh hng c nh v

vi mt khong cch vt l gn vi nhau trn mt mng cc b (LAN: Local Area

Network). Mt mn chn (ng vai tr l mn chn mng con hay mn chn mng) s

xc nh cc vng bin ca mt mng con IP.

Mt mn chn mng con 255.255.255.0 thng thng thch hp cho mt mng

cc b loi nh. iu ny c ngha l tt c cc a ch IP trn mng ny u c 3

trng 8 bit u tin l ging nhau, v cc thit b khc nhau trn mng s c nh

danh bng 8 bit cui cng. V d minh ha cho iu ny l gn mt mn chn mng

con 255.255.255.0 v mt a ch IP nm t 192.168.2.0 n 182.169.2.255 n cc

thit b trn mt mnh cc b loi nh.

Ch kt ni gia cc mng con khc nhau l thng qua mt b nh tuyn. Nu

cc mng con c s dng, mt b nh tuyn IP phi c dng.

B nh tuyn IP: cc b nh tuyn l lin kt gia cc mng LAN. Vic s

dng mt b nh tuyn, mt my tnh trong mng LAN c th gi i cc thng ip

n bt k cc mng no khc m c th c cc mng LAN khc theo sau chng. Nu

ch n ca d liu khng nm trong mng LAN, b nh tuyn s chuyn tip d

liu n mt mng khc hay mt nhm cc mng m d liu c th c chuyn giao

n.

Cc b nh tuyn da vo cc a ch IP chuyn giao v thu nhn cc gi d

liu.



Cc thuc tnh a ch IP: trong ca s Properties, la chn mc nhp cu hnh

Ethernet address. TIA Portal s hin th hp thoi cu hnh a ch Ethernet, c lin

quan n n phn mm vi a ch IP ca CPU s nhn n .

Lu

CPU khng c a ch IP c cu hnh trc. Ngi dng phi gn mt a ch

IP cho CPU mt cch th cng. Nu CPU c kt ni n mt b nh tuyn trn mt

mng, ngi dng cn phi nhp vo a ch IP ca b nh tuyn ny. Tt c cc a

ch IP c cu hnh khi ngi dng ti xung n.

Bng sau y xc nh cc thng s ca a ch IP:

Thng s Miu t

Mng con

Tn ca mng con m thit b c kt ni n. Nhp vo nt Add new

subnet to ra mt mng con mi. Mc nh l Not connected.

Hai kiu kt ni c th dng:

Mc nh Not connected cung cp mt kt ni cc b

Mt mng con c yu cu khi mng c nhiu hn t hai thit b

Giao thc

IP

a ch IP a ch IP c gn cho CPU

Mn chn mng con Mn chn mng con c gn

Mc ch ca b nh tuyn IP Nhp vo hp chn ch ra mc ch ca

mt b nh tuyn IP

a ch b nh tuyn a ch IP c gn cho b nh tuyn, nu

p dng c

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Chuong3cuhnhthitb 150205203338 Conversion Gate02