Giáo trình hướng dẫn lập trình PLC
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Q.
TRLTdNG
DAI
HOC
BlNH
DLfONG
KHOA:
DIEN-DIENTLf
1
D
r
DUNG
CHO
SINH
VIEN
NGANH:
DIEN
-
DIEN
Tli
Jai
iieu:
«
Jlt/u
lianli
noi
hS
(2007)
{/ieto
pUBi^
dhiAfttg
01
Trang:
1
CHI/0NG
01
^mS5Kr®
©ofioM^asK]
^
usj)
^\np=Tr[iSKD{]
c^c
1.1
.CAU
TRUC
CUA
MOT
HE
THONG
DIEU
KHIEN
TLf
DONG:
Vdi
su
phdt
trien
khoa
hoc
ky-thugt
hien
nay,
mot
he
thong
dieu
khien
tu
dpng
dupe
hinh
thdnh
tCf
ede
thdnh
phdn
nhu
sau:
^
Cd
CAU
HO
AT
DONG
:
Bao
gom
ede
thiet
bj
hay
ede
khi
cu
nhUsau:
>
Dpng
CO
dien.
>
Kich
thuy
Ipc,
khi
nen.
>
Valve
dien
tuf.
>
4
CAC
CAM
BIEN:
Nhiem
vu
cua
ede
cam
bien
dung
thu
thdp
dQ
lieu;
ede
cam
bien
co
the
thupc
ede
dang
nhu
sau:
>
Tiep
diem
hdnh
trinh.
>
Te
bdo
quang
dien.
>
Nhiet
trd
(Thermistor).
>
Cam
bien
phdt
hien
tiep
can
(magnetic
pick-up).
>
-4-
CAC
THIET
Bl
LAP
TRINH
HAY
THIET
Bl
NOI
KET
:
Nhiem
vu
cua
ede
thiet
bj
lap
trinh
hay
noi
ket
Id
xiJ
ly
ede
di}
lieu
ghi
nhdn
dupe
tdf
ede
cam
bien
vd
cap
ede
tin
hieu
den
co
cdu
tien
hpat
dpng
(ede
bp
Driver)
de
dieu
khien
co
cd'u
hoat
dpng.
VPi
ede
thiet
bj
lap
trinh
chung
ta
co
the
si}
dung
ede
dang
sau:
133
PLC
(Programmable
Logic
Controller).
£0
Bp
vi
dieu
khien
(Micro
Controller).
£0
Cdc
mgch
dien
tur
dieu
khien,
su"
dung
phoi
hop
ede
mgch
tuong
dong
(analog)
vd
mgch
so
(digital).
Cdc
thiet
bj
ket
noi
thifdng
tim
thd'y
tren
he
thong
dieu
khien
tp
dpng
cd
dien
trade
day
bao
gom:
£Q
Relay,
contactor.
£0
Cdc
thiet
bj
dung
khi
nen,
thuy
Ipc
m
4-
CAC
CO
CAU
TIEN
HOAT
DONG
(TANG
DEM-
DRIVER):
Nhiem
vu
cua
cdc
thiet
bj
trong
co
cd'u
nay
Id
dieu
khien
cdng
sud't.
Khi
nhdn
tin
hieu
tuf
cdc
thiet
bj
lap
trinh,
cdc
thiet
bi
trong
co
cd'u
tien
hpat
dpng
dieu
khien
thay
doi
trgng
thai
hay
cdc
che
dp
cua
thiet
bj
trong
co
cd'u
hpat
dpng
.
Cdc
thiet
bj
trong
tang
dem
hay
tien
hpat
dpng
cd
the
Id:
contactor;
bp
bien
tan;
bp
phdn
chia
khi
nen
c/tt/
tifti
Luli
ltatth
npi
hq
£}ido
\Jiinli
Mq.p,
^Jiinh
_B_
dhu&tig.
01
Trang:
2
Cd-CAU
HOAT
DONG
DONG
CO
DIEN,
KICH
THU
Y
Ll/C,
KHI
NEN.
VALVE
DIEN
Ttf
KHAU
CHAP
HANH
CAM
BIEN
HEP
DIEM
HANH
TRINH
TE
BAOQUANG
DIEN
THERMISTOR
CAM
BIEN
PHATHIEN
T1EP
CAN
THU-THAP
Dl/LlgU
KHAU
DIEU
KHIEN
XU
LY
DU
LIEU
THIET-B!
LAP
TR]NH
PLC
BO
VI
DIEU
KHIEN
MACH
DIEN
Tl)
THIET-B!
NOI
KET
RELAY
THIET
Bj
KHI
NEN;
THIET
Bl
THU
Y
Ll/C
CO
CAU
TIEN
HOAT
DONG
(DRIVER)
CONTACTOR
BIEN
TAN
BO
PHAN
CHIA
KHI
NEN
D
EU
KH
EN
CONG
SUAT
1
GIAO
TIER
GIljA
CON
NGl/Ol
VOT
THIET
Bj
MAY
MOC
CAC
BO
PHAN
GIAO
TIEP
NUT
NHAN,
CONTACT,
MAN
HINH,
BAN
PHIM
HANDHOLE
HINH
1.1:
SO
do
mo
td
cdu
true
cua
he
thong
tu
dong.
i-
CAC
BO
PHAN
GIAO
TIER:
Ngoai
ede
thdnh
phdn
thupc
vong
dieu
khien
kin
tren,
de
co
the
thuc
hien
su"
giao
tiep
gida
con
ngudi
den
ede
may
moo
thiet
bj
trong
he
thong
tif
dong;
chung
ta
phdi
suf
dung
den
ede
bp
giao
tiep.
Mot
ede
tdng
qudt
ede
thiet
bj
hay
khi
cu
thupc
bp
phdn
giao
tiep
bao
gom:
>
Nut
nhdn,
contact
>
Ban
phim
vd
may
tinh
PC.
>
Man
hinh
co
lap
trinh.
>
Handhold
(bp
ban
phim
lap
trinh
ben
ngoai)
tfiii
Lifu
lu'ii
hdttJi
npi
Ciidxy
J-Ufi
\Jiinh
<7)JHd
fzlu/tfaa
01
Trang:
3
1
rong
hinh
1.1;
chung
ta
co
mot
luU
do
mo
td
tifdng
quan
gida
cdc
khau
thdnh
phdn
trong
he
thong
dieu
khien
ttf
dong,.
Trong
do,
chung
ta
co
the
thdy
dadc
he
thong
dieu
khien
thi/c
chd't
bao
gdm
hai
khdu
chinh:
>
Khdu
chap
hdnh.
>
Khdu
dieu
khien.
t
KHAU
CHAP
HANH:
ffl
Thao
tdc
hay
tdc
dong
len
nguyen
lieu
hodc
sdn
phdm.
ffl
Khdu
chd'p
hdnh
bao
gdm
cdc
bo
khdi
dong,
may
cong
cu,
may
co
cho
phep
thi/c
hien
cdc
qua
trinh
che
bien
sdn
phdm.
Chung
ta
co
the
hinh
dung
khdu
chap
hdnh
qua
cdc
thi
du
sau:
❖
Dong
co
dien
khdi
dong
cdc
bang
chuyen
van
chuyen.
❖
Kich
khi
nen
dieu
khien
djnh
hodng
chuyen
cdc
kien
hang.
❖
Kich
thuy
luc
dam
bdo
dong
md
may
dap.
❖
4
KHAU
DIEU
KHIEN:
£0
Khdu
dieu
khien
co
chufc
ndng
:
❖
Tqo
ra
cdc
tin
hieu
(hay
cdc
Ijnh)
dieu
khien
khdu
chap
hdnh.
❖
Nhdn
cdc
thong
tin
phdn
hoi
vd
co
chufc
ndng
phdi
hop
cdc
thao
tdc
hay
cdc
hdnh
dong.
133
Khdu
dieu
khien
co
the
thtfc
hien
theo
mot
trong
hai
dang
cdng
nghe
nha
sau:
logic
ket
ndi
hav
logic
lap
trinh.
Ket
ndi
logic
co
the
xem
nhu
1
mot
dang
xd
Iv
cdc
thong
tin
theo
dang
song
song
(dong
thdi):
cung
mot
luc
chung
ta
co
the
yeu
cdu
thi/c
hien
nhieu
tdc
vu,
hay
tdc
dong
len
nhieu
thdnh
phdn
trong
he
thong
(xem
so
do
md
td
trong
hinh
1.2).
Vdi
cdng
nghe
logic
ket
ndi,
sU
van
hdnh
cua
he
thong
daoc
xdc
lap
bang
phuong
phdp
ndi
ket
gida
cdc
thdnh
phdn
dieu
khien
khdc
nhau.
Nhu
1
vdv,
khi
thav
doi
qua
trinh
van
hdnh,
chung
ta
bdt
budc
phdi
thav
doi
sd
ket
ndi
gida
cdc
thdnh
phdn
(thav
doi
ndi
ket
phdn
cdng).
Vdi
cdng
nghe
logic
lap
trinh,
si/
van
hdnh
cua
he
thong
xdc
lap
theo
chuong
trinh
djnh
triidc
vd
thi/c
thi
theochu
ky
bdng
bd
vi
xd
ly.
Khi
thav
doi
qua
trinh
van
hdnh
cua
he
thdnq,
chung
ta
cd
the
thav
doi
chiiOnq
rtinh
md
khdnq
can
thav
doi
cdc
ket
ndi
bd
cam
bien
vd
thiet
bi
tien
khdi
dona.
LOG
C
KET
NO
DIEN
RELAY
KHI
NEN
VALVE
DIEU
KHIEN
LOG
C
KET
NO
PLC
VI
DIEU
KHIEN
MAY
TINH
PC
HINH
2.2:
Cdc
cdng
nghe
dieu
khien
<Jdi
l/fiii
li/'a
hdttJi
tipi
ijiatt
dliu&tuf,
01
Trang:
4
1
^.CAU
TRUC
CUA
MOT
PLC:
PLC
la
thugt
ngQ
viet
tat
tuf
danh
tuf:
PROGRAMMABLE
LOGIC
CONTROLLER.
Cdu
true
tdng
quat
cua
mot
PLC
bao
gom
cac
thanh
phdn
$au:
£0
Bo
nguon.
ffl
Bus
(Tram).
133
Bo
nhd.
ffl
Bo
vi
xd
ly
CPU.
133
Cac
ngo
vao
va
ra.
-4-
BO
NGUON:
co
nhiem
vu
cung
ca'p
dien
ap
can
thiet
tCif
nguon
dien
liTdi
xoay
chieu
thong
dung
IIOV
(hay
220V)
hoqc
nguon
ap
mot
chieu
24V
den
cac
board
mqch
dien
ttf
cua
PLC.
4
BUS(TRAM):
la
tap
hop
cac
lien
ket
dien
theo
dang
song
song
(cac
dodng
lien
ket
nay
co
the
dudi
dang
mqch
in
hay
cap
nhieu
soi
mot).
So
luong
day
dan
ca'u
tqo
nen
BUS
phu
thuoc
vao
tdi
luOng
cua
cac
tin
hieu
thong
tin
den
BUS
(khi
truyen
dii
lieu
8
bits
ta
can
cap
co
8
soi
ruot;
khi
truyen
du
lien
16
bits
ta
can
cap
16
ruot).
Ta
co
hai
loai
BUS:
xoay
chieu
(AC)
va
mot
chieu
(DC).
-4
BO
NHd:
Bo
nhd
thodng
di/Oc
chia
thanh
hai
nhom
chinh:
❖
BO
NHd
DONG
(RAM
:
Random
Access
Memory)
day
la
bp
nhd
khong
cd
djnh
cac
du"
lieu.
Cac
du"
lieu
dope
doc
va
ghi
bdi
bp
vi
xu"
ly
trong
suot
qua
trinh
PLC
hpat
dpng.
❖
BO
NHd
TiNH
(ROM
:
Read
Only
Memory)
day
la
bp
nhd
co
cac
diJ
lieu
co
djnh;
cac
di}
lieu
nay
chi
dope
doc
bdi
bp
vi
xd
ly
trong
suot
qua
trinh
PLC
hoat
dpng.
VPi
bp
nhd
trh
(tuy
theo
loai
ROM)
ta
co
the
co
cac
dang
nhosau:
>
PROM
(ROM
Programmable):
khong
the
xoa.
>
EPROM
:
bp
nhd
cua
ROM
co
the
xoa
bdng
tia
epe
tim.
>
EEPROM
:
bp
nhd
cua
ROM
co
the
xoa
bdng
dien.
Dung
lopng
cua
bp
nhd
dope
bieu
dien
bdng
so
tuf
hay
so
byte
md
bp
nhd
cd
the
chda
;
trong
do
moi
tuf
tOdng
ufng
vdi
1
byte
chufa
8
bits.
Ddn
vj
do
lOdng
cua
bp
nhd
thodng
dope
tinh
theo
KILO
BYTE
(1
KB
tOdng
ufng
2
10
=
1024
bytes).
Cdu
true
ben
trong
bp
nhd
cd
the
md
td
ddn
gidn
nho
sau
(xem
hinh
1.3)
-4-
Mudn
truy
xud't
doc
did
lieu
trong
bp
nhd,
ta
thpc
hien
trinh
to
sau
day:
>
Dau
tien
nhdp
tin
hieu
md
dja
chi
can
truy
xud't
vdo
ede
bus
dja
chi.
>
Phdt
tin
hieu
chon
Ipa
che
dp
doc
vdo
dodng
tin
hieu
doc/
ghi.
>
Khi
cd
day
du
ede
tin
hieu
tren,
bp
nhd
se
xud't
ede
dO
lieu
dang
lou
trd
tren
cac
bus
did
lieu.
c/tt/
tifti
Luli
ltatth
npi
hq
£}ido
\Jiinh
\Jiinh
(ziti/tytui
01
Trang:
5
O
s
o"
to
00
C5
c3
o-
o
a
(!>
■
o-
6-
?
■
GIAI
MA
DIA
CHI
!
!
!
!
;
i
;
■
td
-i
-j
1
r
r
THfr^PFfflNiLDI
T-iff+4lj|U
NGO
V>
i
BjENlMAir)
n
5TC"
iTI-
tO
\At
.
L___
—
sis!
rnnui
LOGIC
CHON
DOC/
GHI
O-
-6
-O-
O-O-O-
-O
-
O-
-
—
BUS
DUf
LIEU
HINH
1.3:
Cdu
true
ben
trong
mot
bp
nh6.
VI
Xl}
LY
(CPU):
Thuqt
ngu"
CPU
dapc
viet
tdt
tuf
danh
tuf
Central
Processing
Unit
.
Day
Id
bp
phgn
dau
ndo
cua
PLC,
nhiem
vu
cua
CPU
Id
lien
ket
thu'dng
xuyen
ede
chi/dng
trinh
dang
chufa
trong
bp
nhd.
Qua
trlnh
hpat
dpng
cua
CPU
di/dc
torn
tdt
ddn
gidn
nhUsau:
>
Theo
chi/dng
trlnh
dd
di/dc
nap
sdn,
CPU
kiem
tra
ede
thong
tin
vd
ede
so
lieu
nhdn
dude
tuf
ede
module
nhdp
(input),
ede
cd
quan
dieu
khien,
cam
bien
>
Phdt
Ijnh
dieu
khien
den
ede
cd
cdu
tien
hpat
dpng
thong
qua
ede
module
xud't
(output).
4
CAC
NGO
VAO
VA
RA:
Khi
PLC
lien
ket
vdi
ede
module
ben
ngdai
tren
ede
ngd
vdo
vd
ra,
ta
co
the
phdn
chia
phudng
phdp
lien
ket
thdnh
hai
dang:
>
Dang
logic.
>
Dang
truyen
duf
lieu.
Khi
ede
ngd
vdo
ra
dang
logic:
module
tren
ngda
vdo
cho
phep
ghi
nhdn
(bdt-
capture)
ede
trgng
thai
cua
cam
bien.;
dong
thdi
chuyen
doi
tin
hieu
dien
nhdn
dude
sang
ede
trgng
thdi
logic
(0
hay
1).
Tgi
ede
module
tren
ngd
ra
cho
phep
tdc
dpng
len
ede
cd
cdu
khdi
dpng
dddc
lien
ket
vdi
no;
dong
thdi
ede
module
ngd
ra
co
the
chuyen
doi
ede
trgng
thdi
logic
(0
hay
1)
sang
ede
tin
hieu
dien
(xem
hinh
1.4).
c/tt/
lifiii
Luli
ltdtth
npi
hq
_B_
Qhuefttg,
01
Trang:
6
PLC
MODULE
NGO
VAO
^
Z
-
Capteur
NGUON
NUOI
MODULE
NGO
RA
VALVE
DIEN
TO
HAY
CUQN
DAY
CONTACTOR
DATTRONG
MAY
NGUON
NUOI
HINH
1.4:
Cdc
ngo
ra
va
vdo
lien
ket
theo
dang
logic.
Khi
cdc
ngo
vdo
vd
ra
lien
ket
theo
dang
truyen
di)
lieu;
tren
cdc
ngo
vdo
hay
ra
ta
co
the
thUc
hien
theo
mot
trong
hai
phUdng
an
truyen
du"
lieu
song
song
hay
noi
tiep.
TUdng
ufng
vdi
moi
phuang
phdp
truyen
du"
lieu
nay,
tren
moi
ngo
vdo
hay
ra
ta
can
co
bo
noi
ket
giiJa
thiet
bj
ngoai
vi
vdi
bo
vi
xiJ
ly
ben
trong
PLC.
PhUohg
thdc
thuc
hien
ket
noi
trinh
bay
trong
hinh
1.5.
BQ
NOIKET
SONG
SONG
GIAO
TIEP
NGOAI
VI
VI
Xtf
LY
Du
LIEU
DACH
BQ
NOIKET
NOI
TIEP
GIAO
TIEP
NGOAI
VI
VI
XU
LY
DU
LIEU
DACH
HINH
1.5:
Cdc
bo
noi
ket
truyen
diJ
lieu
theo
phUdng
thufc
song
song
hay
noi
tiep.
1
.S.NGUYEN-TAC
VAN
HANH
CUA
MOT
PLC:
Frude
tien
chung
ta
thong
nhd't
ve
djnh
nghia
cho
cdc
thugt
ngiJ
sau:
»
DLf
LIEU:
SU
bieu
dien
thong
tin
theo
qui
Udc
dudi
dang
thich
hdp
de
mot
thiet
bj
(hay
may
mdc)
dung
lap
trinh
cd
the
hieu
vd
xQ
ly
duoc.
#
LINH:
L|nh
Id
thdnh
phdn
cd
ban
cua
mot
chUdng
trinh
cho
biet
phep
tdan
hay
hdnh
dpng
ndo
do
phdi
thuc
hien.
c/tt/
tifu
Lu'u
ltdith
ttpi
hty
(zlit/trtui
01
Trang:
7
»
CHlJdNG
TRINH:
Chifdng
trinh
Id
mot
day
cdc
Ijnh
sdp
xep
trgt
tu
theo
mot
chudi
hdnh
dong
ndi
tiep
nhau,
cdc
hdnh
dong
nay
thUc
hien
bdi
bp
vi
xur
ly.
Khi
van
hdnh
theo
trqng
thai
binh
thi/dng,
PLC
thufc
hien
co
chu
ky.
#
CHU
KY
:
Chu
ky
van
hdnh
cua
PLC
Id
khoang
thdi
gian
giiJa
hai
Ian
nhdp
cdc
tin
hieu
(vdt
ly)
d
ngd
vdo.
»
Trong
mdi
chu
trinh
hoat
dong,
PLC
thi/c
hien
tudn
tif
3
giai
doan
tdc
dong:
❖
Bl/dC
1:
Bp
vi
xd
ly
ghi
nhdp
cdc
trqng
thdi
logic
tren
cdc
ngd
vdo
vd
chuyen
cdc
trqng
thdi
logic
nay
vdo
trong
bp
nhd
dd
lieu.
❖
BUdC
2:
Vi
xd
ly
thUc
hien
cdc
Ijnh
chufa
trong
bp
nhd
chuong
trinh
theo
tudn
tu
td
Hnh
dau
tien
den
Ijnh
cud'i
cung.
ChdOng
trinh
thdc
hien
vdi
cdc
trqng
thdi
ngd
vdo
dd
di/dc
ghi
nhqn
trong
bp
nhd
dd
lieu.
Sau
cung
cdc
ket
qua
cua
mdi
Ijnh
di/Oc
xud't
vdo
bp
nhd
dd
lieu.
❖
BUdC
3:
Vi
xd
ly
tap
hop
cdc
trqng
thdi
logic
cua
ket
qua
ngd
ra
(dang
duoc
chda
trong
bp
nhd
dd
lieu)
chuyen
den
cdc
module
tren
ngd
ra.
Nguyen
tdc
van
hdnh
don
gidn
cua
PLC
duoc
torn
tdt
trong
hinh
1.6.
r
Bl/CfC
1
1
f
BUdC
2
,
i
BUOC
3
DOC
CAC
TRANG
THAI
NGO
VAO
THl/C
THI
CHUONG
TRiNH
XUAT
CAC
TIN
HIEU
NGO
RA
HINH
1.6:
Cdc
thao
tdc
trong
mot
chu
ky
van
hdnh
cua
PLC.
1.4.CAC
YEU
CAU
DPI
V6l
PLC
CONG
NGHIEP:
Frong
qua
trinh
van
hdnh,
cdc
yeu
td
dnh
hadng
den
trqng
thdi
hoat
dong
cua
PLC
bao
gdm
3
yeu
td
dnh
hudng
chinh
nhif
sau:
O
ANH
HUdUG
VAT-LY:
bao
gdm
cdc
yeu
td
ve
nhiet
dp,
dp
dm
cua
mdi
trudng
khdng
khi
vd
dp
rung.
»
ANH
HUdNG
DIEN:
bao
gdm
cdc
tin
hieu
nhieu
tia
vd
cdc
tin
hieu
nhieu
truyen
trong
day
dan.
Cdc
tin
hieu
nhieu
trong
day
dan
sinh
ra
do
si?
ndi
ket
giiJa
nhieu
thiet
bj
vdi
nhau
trong
he
thong
PLC.
Mudn
bao
ve
chdng
Iqi
cdc
dnh
hudng
nay
chung
ta
can
cdc
bp
Ipc
ngadng
dien
dp,
bp
Ipc
tre
vd
dung
cdc
bien
dp
each
ly
khi
cap
ngudn
cho
PLC.
tfiii
Ligu
it/u
ltdtth
n$L
hq
£}ieto
\Jilnh
(dhiMttg,
01
Trang:
8
#
DIED
KIEN
NGUON
:
bao
gom
dnh
hi/dng
do
nguon
dien
ludi
chinh
sinh
ra.
Cdc
su
cd
do
nguon
dnh
hadng
den
che
do
hoat
dong
cua
PLC
co
the
liet
ke
nhU
sou:
❖
Si/
cd
mat
nguon
thoang
qua.
❖
Si/
bien
doi
mufc
dien
dp
nguon
(qua
dp
+10%
;
hay
thd'p
dp
-
15%
so
vdi
gid
trj
djnh
mufc).
❖
Nhieu
truyen
theo
dudng
day.
IS/I
udn
bdo
ve
cho
PLC
trong
cdc
trudng
hdp
nay,
ta
Idp
ddt
cdc
bp
Ipc
nguon
tri/dc
khi
cd'p
den
PLC,
dong
thdi
su"
dung
kem
theo
bo
UPS
de
chdng
tinh
trgng
dien
dp
mat
dot
bien
hay
thd'p
dp,
qua
dp
dudi
mufc
qui
djnh.
1
.S.HINH
DANG
CUA
MOT
SO
PLC:
Frong
gido
trinh
nay,
nhdm
giup
sinh
vien
co
the
su"
dung
vd
lap
thnh
dieu
khien
dung
PLC
mot
each
cu
the;
chung
tdi
ch?
gidi
thieu
hai
dang
PLC
sau
day:
#
MODICON
TSX
NANO
(cua
nhd
san
xudt
TELEMECANIQUE
).
»
FX
2N
(cua
nhd
sdn
xudt
MITSUBISHI).
Tuy
nhien,
vdi
moi
nhd
sdn
xud't
tuy
thupc
:
muc
tieu
dieu
khien,
phgm
vi
dieu
khien,
mufc
dp
phufc
tgp
cua
qua
trinh
dieu
khien
(so
lUdng
ngd
vdo
vd
ngd
ra
tren
PLC );
chung
ta
cd
nhieu
hp
PLC
khdc
nhau:
'\/
di
nhd
sdn
xud't
TE
LEMECANIQUE,
chung
ta
cd
cdc
hp
PLC
(hinh
1.7):
»
MODICON
TSX
NANO.
»
MODICON
TSX
MICRO.
#
MODICON
TSX
PREMIUM.
Khi
lap
trinh
van
hdnh
PLC
chung
ta
cd
the
thi/c
hien
theo
mot
trong
hai
phUOng
thufc
sau:
#
Dung
bp
ngp
tuf
ban
phim
ngdai,
thadng
gpi
Id
"hand
hold".
#
Dung
may
tinh
PC
vdi
phdn
mem
lap
trinh
chuyen
dung
tuy
tufng
Ipai
PLC.
Cdc
ky-thudt
nay
se
dapc
trinh
bay
trong
cdc
chuong
sau.
c/tt/
Li^u
Luli
ltatth
npi
hq
£fido
^flBij
fzliu'ftmf
(H
Trang:
9
PLC
TSX
Nano
K3i«*«SltWV
J
J
i'r^
II
s
I
±rm
t'
F
PLC
TSX
M
cro
ft
PLC
TSX
Nano
li
n
m
PLC
TSX
Premium
T^AWftfK)
Hand
hold
BE7E3B:
EE
OK
Rase:
T-^-
-V
T-v
r^<JP
-^Ox
W
HINH
1.7:
Hinh
dang
cac
PLC
TSX
cua
nha
sdn
xudt
MODICON
TELEMECANIQUE
cTtt/
tifti
Luli
ltatth
n$L
bt}
HINH
1.8
:
Cdc
phUdng
thufc
lap
trinh
cho
PLC.
cTtt/
lifiii
luu-hAnh.
ttpi
Trang:
11
MlTSUBfSHI
HAND
HOLD
test
TO,'
yii-eR
WP,
in!
AND
M
ORt
—
LO
f.
ORB
ErtD
ANB
nil
STEP
"Tsn
r-
STl
SET
PLS
'
MO
m*
MCR
iRET
RST
I
'
PLr
a,.,
"SB
r/PP
NOP
1
MPS
MPD
2
^
PLC
FX
ON
CUA
NHA
SAN
XUAT
MITSUBISHI
m
r
PLC
MELSEC
-
AnS
HINH
1.9
:
Mot
so
cac
dang
PLC
cua
nha
san
xudt
MITSUBISHI
&ai
Lifu
Luli
ltatth
ttpi
Cjido
Tfiiult
Mflfi
(HuMtift
02
Trang:
12
CHUONG
02
<
t
A
/y
^rv.
LT
a
A
2.1
CAC
LINH
LAP
TRINH
Ctf
BAN
DUNG
CHO
PLC
HO
FX-2N
(
MITSUBISHI
I
2.1.1
CAC
UNH
TadNG
DUONG
V6i
muc
tieu
nha
dd
khdo
sat
vd
trinh
bay
trong
muc
2.2
cho
PLC
ho
TSX
Nano,
khi
khdo
sat
cdc
PLC
ho
FX-2N
(trong
luc
lap
trinh
theo
ngon
ngd
IL
hay
ngdn
ngd
Ladder)
chung
ta
co
cdc
toan
hang
vd
cdc
Ijnh
lap
trinh
co
chufc
ndng
vd
tdc
dpng
ti/Ong
duong
duoc
torn
tdt
nhi/sau
:
BANG
1
:
Cdc
toan
hang
ti/Ong
dudng,
khi
so
sdnh
giua
hai
loai
PLC
ho
TSX
Nano
(Telemecanique
-
MODICON)
vd
FX-2N(
Mitsubishi)
TOAN
HANG
CHUfC
NANG
VA
TAG
VU
PLC
TSX
Nano
PLC
FX-2N
%IO.i
Xi
Dung
de
ch?
cdc
trang
thai
logic
cua
ngo
vdo
Vdt-Ly
nd'i
tn/c
tiep
vdo
PLC
%Q0.i
Yi
Dung
de
chi
cdc
trang
thai
logic
(cupn
day)
tren
ngo
ra
nd'i
tn/c
tiep
tCf
PLC
%Mi
Mi
Dung
de
bieu
dien
cdc
"cudn
day"
npi
hay
cdc
tiep
diem
cua
relay
npi
trong
PLC.
Day
Id
cdc
bit
npi
trong
PLC
%Si
Si
Bit
npi
trong
PLC
thi/c
hien
tdc
vu
nha
relay
trang
thai
thong
thudng
hay
relay
trang
thai
co
chdt.
%Ti
Ti
Cdc
khd'i
djnh
thi
trong
PLC
%Ci
Ci
Cdc
khd'i
dem
trong
PLC
BANG
2
:
Cdc
Ijnh
tdc
dpng
tn/c
tiep
len
ngo
vdo
vd
ngo
ra;
co
chufc
ndng
tuong
daong,
khi
so
sdnh
gida
hai
loai
PLC
hp
TSX
Nano
(Telemecanique
-
MODICON)
vd
FX-2N
(Mitsubishi)
LINH
CHUfC
NANG
KY
HIEU
TOAN
HANG
TSX
Nano
FX-2N
TSX
Nano
FX-2N
LD
(Load)
LD
(Load)
Tdc
vu
loaic
khdi
tao
tdc
dpng
nhutiep
diem
thudng
hd
%IO.i,
%Q0.i
%Mi,
%Si
>
%TM.i,
%Ci
Xi.
Yi.
Mi,
Si,
Ti,
Ci
cTtt/
tifii
Luli
ltdith
n$L
bt}
QicUy
vJiitdt
Mr/ifi
ifllfr
QluMtui
02
Trang:
13
LDN
LDI
(Load
(Load
NOT)
Inverse)
ST
OUT
(Store)
(OUT)
Tdc
vu
logic
khdi
tao
tdc
dong
nhu'tiep
diem
thii'dng
dong
/
%IO.i,
%Q0.i
%Mi,
%Si,
%TM.i,
%Ci
Xi.
Yi.
Mi,
Si,
Ti,
Ci
Tdc
vu
logic
cuoi
tdc
dong
nhi/cuon
day
relay
thong
thii'dng
%Q0.i
%Mi,
%Si,
%TM.i,
%Ci
Yi,
Mi,
Si,
Ti,
Ci
BANG
3
:
Cdc
Ijnh
logic
AND
vd
OR;
co
chufc
ndng
ti/Ong
dUOng,
khi
so
sdnh
giiJa
hai
loai
PLC
ho
TSX
Nano
(Telemecanique
-
MODICON)
vd
FX-2N
(Mitsubishi)
LINK
TOAN
HANG
TSX
Nano
FX-2N
CHlfc
NANG
KY
HIEU
TSX
Nano
FX-2N
AND
AND
Tdc
vu
ndi
tieb
cdc
%IO.i,
%Q0.i
Xi.
Yi,
(AND)
(AND)
tieo
diem
thudnq
hd
H
H
3
%Mi,
%Si,
%TM.i,
%Ci
Mi,
Si,
Ti,
Ci
ANDN
ANDI
Tdc
vu
ndi
tieo
cdc
%IO.i,
%Q0.i
Xi.
Yi,
(AND
(AND
tieo
diem
thadna
%Mi,
%Si,
Mi,
Si,
NOT)
Inverse)
dona
%TM.i,
%Ci
Ti,
Ci
OR
OR
Tdc
vu
ndi
son
a
son
a
%IO.i,
%Q0.i
Xi.
Yi,
(OR)
(OR)
cdc
tieo
diem
L
j
%Mi,
%Si,
Mi,
Si,
thudnq
hd
%TM.i,
%Ci
Ti,
Ci
ORN
ORI
Tdc
vu
ndi
son
a
son
a
%IO.i,
%Q0.i
Xi.
Yi,
(OR
(OR
cdc
tieo
diem
L_
/
/
%Mi,
%Si,
Mi,
Si,
NOT)
Inverse)
thudna
dona
%TM.i,
%Ci
Ti,
Ci
BANG
4
:
Cdc
Ijnh
MRS,
MRD,
MRP;
co
chufc
ndng
tUOng
di/Ong,
khi
so
sdnh
giud
hai
loai
PLC
ho
TSX
Nano
(Telemecanique
-
MODICON)
vd
FX-2N
(Mitsubishi)
UNH
TSX
Nano
FX-2N
CHUfC
NANG
KY
HIEU
TOAN
HANG
TSX
Nano
FX-2N
MRS
(Point
Store)
MRD
(Read)
MRS
(Point
Store)
MRD
(Read)
Lau
cdc
ket
qua
hien
hdnh
cua
tdc
vu
tronq
PLC
Doc
cdc
ket
qua
hien
hdnh
cua
tdc
vu
tronq
PLC
H
MRS
H
H
MRD
|
Khdng
co
Khong
co
Khong
co
Khong
co
cTtt/
Uf
u
Luli
ltaith
upL
bty
(cjicity
TJiiitlt
Mflfi
iMfr
(zinMtiQ
02
Trang:
14
MRP
(PoP)
MPP
(PoP)
Goi
ra
va
loai
bo
ket
qua
dd
lull
H
H
H
Khong
CO
Khong
CO
2.1.2.CAC
UNH
CHUYEN
DUNG
CUA
PLC
MITSUBISHI
(HO
FX-2N)
Khdc
vdi
cdu
true
Ijnh
cua
PLC
ho
TSX
Nano,
khi
lap
trinh
theo
dang
dong
Ijnh
cho
ede
PLC
ho
FX-2N;
ta
khong
co
ede
linh
md
hay
dona
ngodc
md
phdi
dung
ede
Ijnh
OR
BLOCK
(ORB)
hay
AND
BLOCK
(ANB)
.
Chung
ta
co
the
khao
sat
vd
torn
tdt
ede
ddc
diem
cua
ede
Ijnh
nay
nhu
sau:
2.1.2.1.
LINH
OR
BLOCK
(ORB)
i
Chufc
ndng
cua
Ijnh
ORB
Id
dung
ndi
song
song
nhieu
nhdnh
chufa
tiep
diem
vdi
nhau
Iqi.
4
Cdc
ddc
diem
co
ban
can
nhd
khi
si}
dung
Ijnh
ORB
duoc
liet
ke
nhU"
sau:
□
Ljnh
ORB
Id
Ijnh
doe
lap
vd
khong
ket
hop
vdi
bd't
ky
thiet
bj
hay
con
so'
ndo
.
□
Ljnh
ORB
diiOc
dung
de
nd'i
song
song
nhieu
nhdnh
chufa
ede
tiep
diem,
thudng
Id
ede
khd'i
dd'u
no'i
tiep
vdi
khdi
trade
dd.
Cdc
khdi
dd'u
nd'i
tiep
Id
tap
hop
cdc
tiep
diem
dd'u
nd'i
tiep
nhau
hay
dung
trong
Ijnh
ANB.
□
Khai
bdo
diem
bdt
dau
cua
khd'i
thadng
dung
Ijnh
LD
hay
LDI.
Sau
mot
khd'i
nd'i
tiep,
khd'i
nay
daoc
nd'i
vdo
vdi
khd'i
trade
bdng
Ijnh
ORB.
□
Khi
viet
chaong
trinh
theo
dang
ddng
Ijnh
(Instruction
List)
ta
cd
the
suf
dung
mot
trong
hai
phaong
phdp
lap
trinh
(cho
Ijnh
ORB)
:
lap
trinh
tudn
ta,
hay
lap
trinh
theo
Id,
theo
khd'i.
4
Gidi
hgn
khi
lap
trinh
theo
Id
:
Khi
dung
Ijnh
ORB
thep
phaong
phdp
lap
trinh
theo
Id
ta
khong
daoc
si}
dung
qua
8
Ijnh
LD
vd
LDI
d
phdn
djnh
nghTa
cdc
khd'i
daoc
nd'i
song
song.
4
Khi
lap
trinh
khi
xd
ly
tudn
ta
,
khong
cd
gidi
hgn
cho
so'
nhdnh
mdc
song
song
khi
dung
Ijnh
ORB
.
2.I.2.2.
LINH
AND
BLOCK
(ANB)
4
Chufc
ndng
cua
Ijnh
ANB
Id
dung
nd'i
nd'i
tiep
cdc
khd'i
(md
mdi
khd'i
chufa
nhieu
nhdnh
song
song
chufa
tiep
diem
)
Iqi
vdi
nhau
.
4
Cdc
ddc
diem
co
ban
can
nhd
khi
si}
dung
Ijnh
ANB
daoc
liet
ke
nha
sau:
□
Ljnh
AND
Id
Ijnh
ddc
lap
vd
khong
ket
hop
vdi
bd't
ky
thiet
bj
hay
con
so'
ndo
□
Ljnh
ANB
daoc
dung
de
nd'i
nd'i
tiep
cdc
khd'i
mqch
song
song
nhieu
nhdnh
(
tren
mdi
nhdnh
cd
chufa
cdc
tiep
diem
),
vdi
khd'i
trade
do.
Cdc
khd'i
dd'u
song
song
Id
tap
hop
cdc
tiep
diem
dd'u
song
song
nhau
hay
dung
trong
Ijnh
ORB.
□
Khai
bdo
diem
bdt
dau
cua
khd'i
thadng
dung
Ijnh
LD
hay
LDI.
Sau
mot
khd'i
nd'i
tiep,
khd'i
nay
daoc
nd'i
vdo
vdi
khd'i
trade
bdng
Ijnh
ANB.
c7tt<
Upu
Luli
ltaith
upL
Cjicio
Tfiiult
^Jiiuh
(dJu/efttp,
02
Trang:
15
□
Khi
viet
chacfng
trinh
theo
dang
dong
Ijnh
(Instruction
List)
ta
co
the
suf
dung
mot
trong
hai
phuong
phdp
lap
trinh
(cho
Ijnh
ORB)
:
lap
trinh
tudn
tu",
hay
lap
trinh
theo
16,
theo
kho'i.
4
Gi6i
hqn
khi
lap
trinh
theo
16
:
Khi
dung
Ijnh
ANB
thep
phUOng
phdp
lap
trinh
theo
16
ta
khong
diidc
su"
dung
qua
8
Ijnh
LD
vd
LDI
d
phdn
djnh
nghTa
cdc
kho'i
di/dc
no'i
song
song.
^4
Khi
lap
trinh
khi
xu"
ly
tudn
tu
,
Ijnh
ANB
dung
dd'u
no'i
tiep
mot
so'
cdc
mgch
song
song
nhieu
nhdnh
,
vdi
kho'i
trudc
do.
Chung
ta
co
the
torn
tdt
chufc
ndng
vd
ddc
diem
cua
cdc
Ijnh
ORB
vd
ANB
trong
bang
sau
day:
UNH
CHU'C
NANG
DANG
MAU
TOAN
HANG
ORB
(OR
Block)
No'i
song
song
nhieu
nhdnh
(md
mdi
nhdnh
chufa
cdc
tiep
diem
no'i
tiep
)
vdi
nhau
lai
Khong
co
1
1
j
h
1
1
ANB
(AND
Block)
No'i
no'i
tiep
nhieu
nhdnh
(
md
mdi
nhdnh
chda
cdc
tiep
diem
son
a
sonq
)
vdi
nhau
lai
Khong
co
H
h
H
h
Xet
mot
thi
du
nhu
sau
(xem
hinh
2.22
):
X001
X002
ID
I
I
AND
I
X003
MO
LD
I
I
AND
X004
M1
AND
HINH
2.22:
Mot
doan
chudng
trinh
mo
td
Cdc
Ijnh
ORB
vdi
ngon
ngd
cd'u
true
Ijnh,
cho
PLC
ho
FX-2N
cua
nhd
sdn
xud't
Mitsubishi.
Y006
)
ORB
Lgp
trinh
theo
phudng
phdp
tudn
tu"
LD
X001
AND
X002
LD
X003
AND
MO
ORB
LD
X004
AND
Ml
ORB
OUT
Y006
Dung
ngon
ngu
-
Ijnh-
Instruction
Let)
LD
X001
AND
X002
LD
X003
AND
MO
LD
X004
AND
Ml
ORB
ORB
OUT
Y006
cTtt/
Uf
u
Luli
ltaith
n$L
bt}
(jicia
tilth
JOqifL
^Jriitli
^
(dJuMttQ,
02
Trang:
16
Xet
doan
chUcfng
trinh
sau
dp
dung
Ijnh
ANB,
xem
hinh
2.23.
xooo
ANB
\/
LD
OR
X001
H
X002
MO
X004
AND
X005
M1
AND
X003
OR
Y006
OUT
ORB
Lap
trinh
theo
phudng
phdp
tudn
11/
(dung
ngon
ngiJ
Ijnh):
LD
XOOO
ORXOOI
LD
X002
AND
MO
LDIX005
AND
Ml
ORB
ORX003
ANB
ORX004
OUT
Y006
ORI
I
HINH
2.23:
Mot
doan
chuong
trinh
mo
td
Cdc
Ijnh
ORB
vd
AND
vdi
ngdn
ngd
cd'u
true
Ijnh,
cho
PLC
ho
FX-2N
cua
nhd
sdn
xudt
Mitsubishi.
2.1.3.CAC
LINH
CHUYEN
DUNG
SET
VA
RESET
CUA
PLC
MITSUBISHI
(HO
FX-2N)
^^dc
Ijnh
SET
vd
RESET
dung
trong
ngon
ngu"
Ijnh
lap
trinh
cho
cdc
PLC
ho
FX-
2N
cua
nhd
sdn
xud't
Mitsubishi
co
tdc
dong
vd
chufc
ndng
gidng
nhu
Ijnh
SET
vd
RESET
khi
lap
trinh
cho
PLC
TSX
Nano
.
Tuy
nhien
cdc
ky
hieu
tdt,
each
bieu
dien
cdc
Ijnh
SET
vd
RESET
tren
gidn
do
Ladder
cua
PLC
ho
FX
khong
gidng
nhu
PLC
ho
TSX
Nano.
Ta
co
the
torn
tdt
cdc
chufc
ndng
vd
ddc
tinh
cua
cdc
Ijnh
SET
vd
RESET
trong
bang
sau:
LINH
CHlfc
NANG
DANG
MAU
TOAN
HANG
SET
(SET)
Di/a
mot
tdan
hang,
hay
cuon
day
len
trqng
thai
ON
(vTnh
vien)
SET
Yi,
Mi,
Si
RST
(RESET)
Di/a
mot
tdan
hang,
hay
cuon
day
trd
Iqi
trqng
thai
OFF
(vTnh
vien)
RST
Yi,
Mi,
Si
Vdi
cdc
tdan
hang
thong
thudng
dude
tdc
dong
bdi
cdc
Ijnh
SET
vd
RST;
chung
ta
co
the
xet
trong
doan
chudng
trinh
thi
du
sau,
xem
hinh
2.
34
sau
day.
Trong
trudng
hop
Ijnh
RST
sQ
dung
vdi
cdc
khdi
djnh
thi
vd
khdi
dem
se
dddc
khdo
sat
trong
cdc
chuong
sau.
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lif.u
Luli
ltaith
njQ-L
(jiciiy
tii
tit
Mflfi
ttvinh.
fJ)J£td
@Ju&(*tg,
02
Trang:
17
xooo
LD
Y001
SET
YOOl
M1
X001
YOOl
RST
Chi/cfng
trinh
lap
trinh
dung
ngon
ngii
IL
:
LD
XOOO
SET
YOOl
LD
YOOl
OUT
Ml
LD
XOOl
RSTYOOl
HINH2.24
:
Mot
doan
chUdng
trinh
mo
td
Ijnh
SET
vd
RST
cua
FLO
hoc
FX-2N
(Mitsubishi)
2.1
^.CAC
LINH
CHUYEN
DUNG
CHO
BO
DINH
THI
CUA
PLC
MITSUBISHI
(HO
FX-2N)
^^dc
bo
djnh
thi
duoc
sd
dung
trong
PLC
ho
FX-2N
khdng
dadc
phdn
loai
cu
the
(theo
cdc
loai
ON
Delay,
OFF
Delay
.
.),
nhu
trong
luc
lap
trinh
bo
djnh
thi
suf
dung
PLC
ho
TSX
Nano.
Vdi
PLC
ho
FX,
bo
djnh
thi
co
cdc
ddc
tinh
nhi/
sau:
Ky
hieu
cua
toan
hang
ddc
trUng
cho
bp
djnh
thi
Id
T
i.
4
Hinh
thufc
sd
dung
bp
djnh
thi
(khi
lap
trinh
theo
sd
do
Ladder)
Id
cupn
day
mang
ten
Ti
vd
dieu
khien
di/dc
cdc
tiep
diem
thddng
dong
hay
thddng
hd
mang
cung
ten
Id
Ti.
4-
Bp
djnh
thi
khi
hpat
dpng,
co
the
xem
nha
mot
bp
dem
sd
xung
Clock;
ngd
ra
cua
bp
djnh
thi
dddc
kich
hpat
khi
gid
trj
dem
(
sd
xung
Clock
nay
)
ttf
0
den
gid
trj
hdng
sd
K
djnh
trade.
Gid
trj
K
nay
diidc
ngadi
lap
trinh
xdc
djnh
trong
giai
doan
lap
trinh.
Chu
ky
cua
xung
Clock
co
thethay
doituf
1
ms
,
10ms
hay
lOOmstuy
thupc
vdo
hp
PLC.
4
Thdi
gian
djnh
thi
cua
bp
djnh
thi
dadc
xdc
djnh
theo
quan
he
nhu
sau:
Thdi
gian
djnh
thi
=
K
x
(
Chu
ky
cua
xung
Clock
chudn
ben
trong
PLC)
4-
Ky
hieu
cua
bp
djnh
thi
trong
gian
do
Ladder
co
dang
nhu
cupn
day
relay
thong
thadng,
tuy
nhien
gid
trj
hdng
sd
K
daoc
chpn
de
xdc
djnh
khdang
thdi
gian
djnh
thi,
dude
ghi
ke
ben
bp
djnh
thi.
K30
4
Chufc
ndng
cua
bp
djnh
thi
ludn
Id
ON
Delay
thdi
gian.
4
Bp
djnh
thi
dung
trong
PLC
hp
FX-2N
cd
the
lap
trinh
de
thuc
hien
tinh
ndng
bp
djnh
thi
khd
nhd.
Khi
su"
dung
chufc
ndng
nay
ta
phdi
phdi
hdp
bp
djnh
thi
vdi
Ijnh
RST
Trong
hinh
2.25
ta
cd
thi
du
mo
td
che
dp
hpat
dpng
cua
bp
djnh
thi
theo
trqng
thdi
ON
Delay
thong
thi/dng
vd
trang
thdi
ON
Delay
khd
nhd
.
T25
c7tt<
Upu
Luli
ltaith
upL
Cjicio
Tfihdt
(dJiu&ttQ,
02
Trang:
18
XOOO
LD
T25
OUT
T25
Y002
K30
LD
OUT
HINH2.25
:
Mot
thi
du
cho
bo
djnh
thi
thi/c
hien
trgng
thai
relay
thdi
gian
ON
Delay.
XOOO
LD
T25
OUT
T25
Y002
K30
LD
X002
OUT
T25
RST
LD
HINH2.26
:
Mot
thi
du
cho
bo
djnh
thi
thi/c
hien
trgng
thdi
relay
thdi
gian
ON
Delay,
co
nhd.
LD
XOOO
OUT
T25
K30
LDT25
OUT
Y002
LD
XOOO
OUT
T25
K30
LD
T25
OUT
Y002
LDX002
RST
T25
XOOO
LD
Y|)02
K
THCil
GIAN
DIMilTl-ll
CUAT25
our
LD
THOI
GAM
DiMH
Y002
K=30
THICUAT25
OUT
LD
2.2.
CAC
THI
DU
LAP
TRINH
THUC
HIEN
CAC
YEU
CAU
DIEU
KHIEN
CO
BAN
:
Xrong
phdn
nay,
chung
ta
khdo
sat
mot
so
ufng
dung
lap
trinh
diiu
khien
PLC
bdng
each
thi/c
hien
to
hop
ede
Ijnh
co
ban
vufa
trinh
bay.
Muc
tieu
cua
ede
thi
du
nay
giup
hieu
ro
hdn
ve
ede
Ijnh
lap
trinh.
Tuy
nhien,
de
de
dang
cho
viec
nhgn
thufc,
chung
ta
khdo
sat
song
song
dong
thdi
ede
mgch
dieu
khien
dung
khl
cu
dien
td
vdi
ede
lap
trinh
dung
ngdn
nguf
LADDER
(de
nhgn
xet
dude
ede
diem
tuong
dong
cung
nhu
khdc
biet
trong
hai
phuOng
phdp
dieu
khien,
du
ket
qua
nhgn
dUOc
trong
qua
trinh
dieu
khien
tuong
dUOhg
nhu
nhau).
ISI
hdm
tgo
dieu
kien
thugn
loi
cho
viec
lap
trinh
ve
sau,
song
song
vdi
ede
chuong
trinh
don
gian
trinh
bay
trong
moi
thi
du;
chung
ta
nen
quan
tdm
den
ede
khl
cu,
linh
kien
bo'
trl
tren
ngd
vdo
vd
ra
cua
PLC
de
chuong
trinh
xdy
dung
co
tlnh
thUc
te
vd
khd
thi.
(
c7g£
lif.u
Luli
ltaith
tipL
bq
Cjicio
^Jihih
(dJu/eftttf,
02
Trang:
19
2.2.1.
DIEU
KHIEN
CONTACTOR
HOAT
DONG
BANG
NUT
NHAN
:
Ion
1
1
I
PLC
TSX
NANO
-
TSX07
21
1622
i
LINE-220V
AC
HINH2.27
Trong
hinh
2.27
chung
ta
co
PLC
di/dc
bo
tri
tren
ngo
vao
cdc
nut
nhdn
ON
(ngo
vdo
%I0.0)
vd
nut
nhd'n
OFF
(ngo
vdo
%I0.2)
de
dieu
khien
van
hdnh
mot
contactor
M.
Cupn
day
cua
contactor
M
di/dc
bd
tn
tren
ngo
ra
%Q0.1
cua
PLC
vd
ndi
den
nguon
ludi
220V-
AC.
Vdi
phUdng
phdp
Idp
ddt
tren,
mudn
contactor
M
hogt
dong
chung
ta
can
lap
trinh
sao
cho:
khi
tdc
dong
len
nut
nhd'n
ON
tren
ngo
vdo
%I0.0,
ngo
ra
%Q0.1
hogt
dong
(xem
nhu"
dgt
trgng
thai
1)
kin
mgch
cd'p
nguon
cho
cuon
day
M
cua
contactor.
Khi
tdc
dong
len
nut
nhd'n
OFF
contactor
M
ngufng
hogt
dong.
Km
su"
dung
mgch
dieu
khien
dung
khi
cu
dien
tuf
thong
thudng
phi/dng
phdp
Idp
mgch
dieu
khien
trmh
bay
trong
hinh
2.28
;
vdi
phu'dng
phdp
dung
PLC
ta
Idp
mgch
nhu
trong
hinh
2.27
vd
viet
dogn
chUdng
trinh
mo
td
trong
hinh
2.29.
OFF
ON
J
M
M
ON
k
OFF
k
Q.
HINH
2.28
:
Mgch
dieu
khien
dung
khi
cu
dien
tuf
vd
gidn
do
thdi
gian.
.
%
10.0
.
_
%'0.0
Afcir
^
%I0.2
cT
LD
,
,
AND
,
.
ST
OR
%Q0.1
%Q0.1
END
LD
%I0.0
OR
%Q0.1
AND
%I0.2
ST
%Q0.1
END
_n
%I0
n
2
a%Q
0.1
HINH
2.29
:
ChUdng
trinh
dieu
khien
dung
ngon
ngd
LADDER
c7tt<
lifu
Luli
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bt}
{juio
Tfihilt
ylll^
(zlm'tttiff
02
Trang:
20
Chung
ta
co
the
dung
he-thong
nut
nhdn
dieu
khien
van
hdnh
contactor
nhuhg
khong
su"
dung
cdc
Ijnh
lap
trinh
nha
vOfa
trinh
bay
neu
tren
.
Chung
ta
khdo
sat
hinh
2.30
vdi
phuOng
phdp
lap
trinh
bdng
Ijnh
SET
vd
RESET
.
ChUOng
trinh
lap
trinh
theo
LADDER
dung
nut
nhdn
ON
vd
OFF
dieu
khien
contactor
M
tren
ngo
ra
cua
PLC
co
the
lap
trinh
nhu
sau:
OK
OFF
PLCTSX
NANO
-TSX07
21
1622
220V
-
AC
LIKE
i
i
i
i
1
i
HiNH
2.30
%io.o
ID
,
,
SET
%I0.2
>00.3
LD
,
,
RESET
%Q0.3
s
DQ(
R
END
LD
%I0.0
S
%Q0.3
LD
%I0.2
R
%Q0.3
END
2.4.2.
DUNG
KHOI
DINH
THI
ON
DELAY
TAP
THANH
RELAY
THdl
GIAN
OFF
DELAY
:
Ddi
vdi,
PLC
ho
FX-2N
cua
nhd
sdn
xud't
MITSUBISHI
khdi
thdi
gian
thuoc
dang
ON
delay
,
mudn
tgo
thdnh
relay
thdi
gian
dang
OFF
Delay
chung
ta
co
the
sQ
dung
cdc
Ijnh
lap
trinh
nhUsau
(xem
hinh
2.31).
x
0001
Yi0002
14
X0001
T4
Y0002
X0001
*
Y0002
T4
K
30
HINH
2.31
Trong
hinh
2.31,
khi
ngo
vdo
X0001
d
trgng
thdi
1,
relay
thdi
gian
T4
khdng
tdc
dong.
Ngay
sau
khi
ngo
vdo
X0001
xud'ng
trgng
thdi
0
,
relay
thdi
gian
T4
bdt
dau
tdc
dong;
ngdai
ra
ngo
ra
Y0002
cung
tdc
dong
d
trgng
thdi
1
khi
ngo
vdo
X0001
d
trgng
thdi
1.
Do
tdc
dong
cua
tiep
diem
Y0002
(dong
vai
trd
tu
gid)
nen
khi
ngd
vdo
xud'ng
trgng
thdi
0,
ngd
raY0002
van
tiep
tuc
duy
tri
trgng
thdi
1;
cho
den
khi
relay
thdi
gian
T4
tdc
dong,
tiep
diem
thi/dng
dong
cua
T4
ngdt
di/dng
cung
cap
nguon
vdo
cho
cdc
"cugn
day"
ngd
ra
Y0002
vd
relay
thdi
gian
T4,
tdan
bo
he
thd'ng
trd
ve
trgng
thdi
ban
dau.
Ngd
ra
Y0002
chuyen
ve
trgng
thdi
0
tre
hdn
mot
khdang
thdi
gian
sau
khi
ngd
vdo
chuyen
xud'ng
trgng
thdi
0
;
tdc
ddng
tifdng
ti/
nha
trgng
thdi
cua
relay
thdi
gian
OFF
delay.
vTffi
lif.u
Luli
ltaith
upL
bt}
(jicity
t
ilth
Mf/Lfi
iMfr
(^JuMtiQ
02
Trang:
21
2.2.3.
LAP
TRINH
TAP
XUNG
DON
ON
-
DO
RONG
XUNG
CO
THE
DIEU
CmNH
:
qng
mqch
nay
thi/dng
ufng
dung
vdo
cdc
mqch
dem
Counter
(se
trinh
bay
trong
cdc
chi/ong
sau)
;
day
Id
mqch
hinh
thdnh
xung
co
tdc
dung
nhu
xung
cap
den
cdc
ngo
vdo
cua
bp
dem
.
Trong
hinh
2.32;
khi
dung
nut
nhd'n
tdc
dpng
tren
ngo
vdo
cua
PLC,
chung
ta
co
the
tqo
duqc
mot
xung
tin
hieu
tren
ngo
ra
hoqc
xung
tin
hieu
tren
bit
npi
(hay
relay
npi)
cua
PLC.
X
0001
n
n
i
M2
T6
r
.
X0001
M2
HINH
2.32
T6
■
if
T6
M2
K
3
2.2.4.
LAP
TRINH
TAO
CHUOI
XUNG
:
I
rong
doan
chu'Ong
trinh
sau,
chung
ta
phdi
hop
hai
relay
thdi
gian
On
delay
hinh
thdnh
mot
chudi
xung
co
the
dieu
chinh
thay
doi
chu
ky
vd
dp
rpng
xung
tren
ngo
ra
hay
tren
bit
npi
cua
PLC.
X0001
T4
T6
Thdi
gian
djnh
thi
cua
T6
-»
\1
M1
Thdi
gian
djnh
thi
cud
T4
X0001
T6
if
T4
H
T4
T6
M1
K
10
K
15
n__n
n_.
HINH
2.33
Tfai
lifii
Luli
ltaith
npi
Cjifio
MqLp,
litdt
fpjQfd
EEO
dlnAfng.
03
Trang:
22
CHl/CTNG
03
JJ
3.1.
Gl6l
THIEU
NGON
NGQGRAFCET:
ISI
gon
ngu"
Grafcet
xay
dung
theo
dang
ngon
ngU
SFC
"Sequential
Function
Chart"
trinh
bay
trong
tieu
chudn
IEC
1131-3.
Day
la
dang
ngon
ngu"
lap
trinh,
trinh
bay
mot
chudi
nhiem
vu
(hay
mot
chudi
tudn
tu
cac
nhiem
vu)
can
thuc
thi,
theo
dang
gidn
do.
Trong
gidn
do
chung
ta
mo
td
tudn
tu
mot
chudi
cdc
hoat
dong
cua
he
thong
kiem
soat,
vd
cdc
tinh
hudng
khdc
nhau
se
dien
ra
theo
dang
ky
hieu
don
gidn
.
Chung
ta
co
the
hinh
dung
mot
gidn
do
Grafcet
mdu
vdi
y
nghia
cua
cdc
ky
hieu
ghi
tren
gidn
do
(xem
hinh
5.1
sau
day).
BL/dC
DAU
TIEN
:
dinh
nghia
trqng
thai
ban
dau
cua
PLC
BUdC
CHUYEN
TIER
:
Lien
ket
vdi
cdc
dieu
kien
chuyen
tiep
trqng
thai,
xdc
dinh
dieu
kien
logic
can
thiet
de
xoa
trqng
thai
chuyen
tiep
nay.
3
TAG
VU
7
TAC
VU
TAG
DONG
DONG
THCll
BLltfC
3
VA
7
(AND
HOI
TUJ.Cdc
bUdc
tudn
tU
3,4,6,6
vd
bUdc
7,8,9
Id
hai
bUdc
tudn
tu
tdc
dqng
dong
thdi.
4
TAG
VU
5
8
TAG
VU
TAG
EXDNG
TUAN
TL/
LL/A
CHON
(OR
PHAN
KY).TU
3
den
4
hay
6
10
TAC
VU
TAG
DONG
CHAM
DUT
TUAN
TL/
LL/A
CHON
(OR
HOI
TUJ.TU
4
hay
5
den
6.
TAG
DONG
CHAM
DL/T
CHUOI
TUAN
TL/.
Cho
phep
dong
bp
cdc
chudi
dong
thdi.
NGL/NG
TAG
DONG
DONG
GAG
BL/6C
6
VA
9
(AND
HOI
TU)
Cdc
tdc
vu
lien
ket
dang
dien
tien
trong
khi
bUdc
thUc
hien
dang
hqat
dqng.
HINH
3.1
c7tt<
tifu
Luli
ltaith
npL
bq
Cjiuo
Tfilidi
Mtf-p,
^7litdt
fpjQfd
E3
dlnAfng.
03
Trang:
23
nhQng
ky
hieu
rieng
cua
ngon
ngQgrafcet
TENGOI
KY
HIEU
NHIEM
VU
BUdC
DAU
TIEN
_L
"T
i
i
Xdc
dinh
biidc
dau
tien
tdc
dong
de
khdi
dpng
mot
chu
ky
.
Bade
DON
i
Xdc
dinh
he
thong
kiem
soat
dang
d
ede
trqng
thai
on
dinh.
So
bi/dc
toi
da
cua
cd'u
hlnh
:
>
Tuf
1
den
96
cho
TSX
37-10
>
Tuf
1
den
128
cho
TSX
37-20
hay
TSX-
57
CHUYEN
TRANG
THAI
Suf
dung
de
chuyen
trqng
thai
tuf
bade
nay
sang
bode
khdc
ke
tiep.
Dieu
kien
chuyen
lien
ket
vdi
bu/dc
chuyen
trqng
thai
nay,
dUdc
xdc
dinh
theo
dieu
kien
logic
can
thiet,
de
xoa
di
trqng
thai
do.
So
budc
chuyen
trqng
thai
tdi
da
cd
the
chufa
dufdc
trong
cd'u
h'rh
:
>
Tuf
1
den
96
cho
TSX
37-10
>
Tuf
1
den
128
cho
TSX
37-20
hay
TSX-
57
AND
PHAN
KY
—
Chuyen
trqng
thai
tuf
1
budc
den
ede
bufdc
ke
tiep.
Diidc
suf
dung
de
tdc
dpng
dong
thdi
td'i
da
11
bddc.
/AI*
L/
r
1
l/AI*
Iv
1
—|
1
AND
hoi
tu
1
Chuyen
tuf
nhieu
budc
gom
ve
mot
bddc
.
Cd
khd
ndng
lien
ket
dong
thdi
td'i
da
11
biidc.
OR
PHAN
KY
Chuyen
trqng
thdi
tuf
1
bddc
den
ede
bufdc
ke
tiep.
Dufdc
suf
dung
de
hlnh
thdnh
mot
chudi
ede
bufdc
dufdc
chpn
Ida,
td'i
da
11
bufdc.
OR
HOI
TU
DIEM
NOI
NGUON
Chuyen
trqng
thdi
tuf
nhieu
bufdc
den
mot
bufdc
ke
tiep.
Dung
de
chd'm
duft
mot
chudi
ede
bufdc
dufdc
chpn
Ida,
tdi
da
11
bddc.
"n"
so
thd
tuf
cua
bddc
kiem
sdat
dddc
ndi
ra
td
do
(bddc
nguon).
DIEM
NOI
DEN
X
r
CAC
DUdNG
NOI:
LEN
XUONG
SANG
TRAI
HAY
SANG
PHAI
/
t
"n"
so
thd
td
cua
bddc
kiem
sdat
dddc
ndi
den
(bddc
den).
Nhdng
dddng
ndi
dung
cho
chudi
ede
chpn
Ida.
Nhdy
qua
mot
hay
nhieu
bddc,
hay
lap
Iqi
ede
bddc.
c7tt/
lifii
Luli
ltAtth
npL
bq
Cjiuo
TJilidi
Mtf-p,
fpjQfd
EEO
(dhu&ng,
03
Trang:
24
3.2.
CAC
DAI
LadNG
CHUYEN
DUNG
CUA
NGON
NGQ
GRAFCET:
Cdc
lap
trinh
vien
co
the
xdy
dung
cho
rieng
ho
ode
bits
lien
ket
vdi
ede
budc
chuong
trinh,
cdc
bits
he
thong
chuyen
cho
ngon
nglJ
Grafcet;
cdc
tuf
(word)
xdc
djnh
thdi
gian
lam
viec
cua
nhUng
budc
vd
cdc
tuf
he
thong
sjJ
dung
rieng
trong
ngdn
ngiJ
Grafcet.
Chung
ta
co
cdc
dgi
luong
chuyen
dung
lien
ket
vdi
cdc
tdan
hang
vd
tinh
ndng
nhiem
vu
cua
chung
torn
tdt
trong
bang
sau:
TENGOI
DjA
CHi
MO
TA
TINH
CHAT
BITS
CUA
CAC
Bl/dC
%Xi
Trqng
thdi
cua
bUdc
thU
i
trong
lUu
do
Grafcet
chinh
(i
tuf
0
den
n)
(gid
tri
n
phu
thupc
vdo
bpxU
ly).
BITS
CUA
HE
THONG
GRAFCET
%S21
Bdt
dau
lUu
do
Grafcet
%S22
Chrh
ddt
Iqi
td't
cd
cdc
bUdc
cua
lUu
do
Grafcet
ve
gid
tri
0.
%S23
Ldm
ddng
(freezes)IUu
do
Grafcet;
lam
ngUng
cdc
bUdc
cua
lUu
do.
%S26
Chrh
gid
tri
1
khi:
>
Trdn
(overflow)
so'
bUdc
chuyen
trqng
thdi.
>
Tien
hdnh
mot
lUu
do
thdnh
lap
sai
.cd
idi
(xdc
dinh
cdc
diem
nd'i
cua
mot
budc
khdng
thupc
ve
lUu
do)
TLf
CUA
CAC
BUdC
%Xi.T
Thdi
gian
tdc
ddng
cua
budc
thU
1
trong
lUu
do
Grafcet
chinh.
TLf
CUA
HE
THONG
GRAFCET
%SW20
TU
xdc
dinh
ddng
ldm
viec
cua
chu
ky,
so'
bUdc
chUdng
trinh
tdc
ddng
vd
so'
bUdc
chUPng
trbh
khdng
tdc
ddng.
%SW21
TU
xdc
dinh
ddng
ldm
viec
cua
chu
ky,
so'
budc
chuyen
trqng
thdi
cd
hieu
lUc
vd
so'
budc
chuyen
khdng
hieu
lUc.
BITS
%Xi
CUA
CHU'dNG
TRINH:
>
Co
gid
tr|
1
khi
cdc
budc
tdc
dong.
>
Cdc
budc
nay
cd
the
duoc
kiem
tra
theo
td't
cd
cdc
phuong
thUc,
trong
cdc
ngdn
nguf
lap
trinh
Ladder,
Grafcet,
vd
cd
ngdn
ngd
IL.
>
Cdc
bits
nay
cd
the
khdng
can
xep
thuf
tu.
TUf
%Xi.T
JHdl
GIAN
TAC
PONG
CUA
BLfdC
CHLfdNG
TRINH:
>
Cdc
tuf
nay
gia
tang
moi
100ms
vd
cd
trj
so'tU
0
den
9999.
>
TU
gia
tang
gid
trj,
trong
sud't
khdang
hoat
ddng
cua
budc
chuong
trinh.
>
Khi
ngUng
tdc
ddng
mot
budc
chuong
trinh,
ndi
dung
cua
tU
duoc
duy
tri.
>
Khi
mot
budc
chuong
trinh
tdc
ddng,
ndi
dung
duoc
chinh
Igi
vd
gia
tang
dan.
>
So'
luong
tU
xdc
djnh
thdi
gian
tdc
ddng
khdng
the
djnh
cd'u
hinh,
moi
tU
duoc
du
phdng
cho
mot
budc
chuong
trinh.
>
Cdc
tU
nay
cd
the
khdng
duoc
xep
thU
tu.
c7tt<
tifti
Li/'a
hfitiJi
npt
