Speicherentwicklung S7-300
KHOA IN T NG HA
MN HCH THNG PLC12 tit
GV: ThS.BI MINH THO T: 0918921638Email:
[email protected]
Automation and DrivesA&D AS SM6, Page # NI DUNG MN HCTNG
QUAN V H THNG IU KHINCU TRC PHN CNG CA PLCCHC NNG CA CC PHN T C
BNAutomation and DrivesA&D AS SM6, Page # TNG QUAN V H THNG IU
KHIN
1.1. Gii thiu chungAutomation and DrivesA&D AS SM6, Page #
TNG QUAN V H THNG IU KHIN1.2. H thng iu khin bng relayTrong h thng
iu khin bng relay thng s dng nhng relay cng tc t, b nh thi (timer),
b m (counter) kt ni vi nhau iu khin
Relay
Cng tc t
Timer
B mAutomation and DrivesA&D AS SM6, Page # TNG QUAN V H THNG
IU KHIN1.3. H thng iu khin bng PLCPLC (Programmable Logic
Controller): b iu khin lp trnh cMt s hng PLC: - SIEMENS (C)- ABB
(PHN LAN)- OMRON (NHT)- DELTA (I LOAN)- PANASONIC (NHT)- MITSUBISHI
(NHT),Automation and DrivesA&D AS SM6, Page # TNG QUAN V H THNG
IU KHIN1.3. H thng iu khin bng PLCu im:- Nh gn, gim khng gian kt ni
D thay i thut ton iu khin D trao i thng tin vi mi trng xung quanh
(Cc thit b ngoi vi, PLC khc, my tnh)Automation and DrivesA&D AS
SM6, Page #
Gii thiu cc loi PLC Siemens:1. Logo: dng sn phm s cp, ng dng cho
cc h thng nh.2. S7-200: dng sn phm trung cp, ng dng cho cc h thng
trung bnh vi lng I/O va phi.Automation and DrivesA&D AS SM6,
Page # 3. S7-1200: dng sn phm mi ca siemens. Tch hp c I/O digital v
I/O analog, thch hp cho nhng ng dng trung bnh.
Automation and DrivesA&D AS SM6, Page # 4. S7-300/400: dng
sn phm cao. c dng cho nhng ng dng ln c thi gian p ng nhanh, c yu cu
v kt ni mng
S7-300
S7-400Automation and DrivesA&D AS SM6, Page # 2.1. S khi cu
trc PLC:
II. CU TRC PHN CNG CA PLCAutomation and DrivesA&D AS SM6,
Page # PLC S7-300 cu trc dng module gm cc thnh phn sau:- Modul CPU-
Module tn hiu Signal Modules (SM) Module chc nng Function Module
(FM)- Module truyn thng Communication processor (CP)- Module ngun
(PS307) cp ngun 24VDC cho cc module khc, dng 2A, 5A, 10A- Module
ghp ni IM: IM360, IM361, IM365
2.2. Cc module ca PLC S7-300Automation and DrivesA&D AS SM6,
Page # Cc module c gn trn thanh ry (rack) ti a 8 module SM/FM/CP bn
phi CPU. Mi module c gn mt s slot tnh t tri sang phi, module ngun l
slot 1, module CPU slot 2, module k mang s 4
Automation and DrivesA&D AS SM6, Page # Kt ni cc module trn
cc rack
Automation and DrivesA&D AS SM6, Page # i vi CPU 315-2DP,
316-2DP, 318-2 c th gn a ch ty cho cc module
V d: Module SM321 DI 32 c 32 ng vo gn k CPU slot 4 c a ch l
I0.y, I1.y, I2.y, I3.y.- Module SM332 AO4 c 4 ng ra analog gn slot
5 rack 1 c a ch PQW400, PQW402, PQW404, PQW406, ng ra s c k hiu l Q
cn ng vo analog k hiu l PIW.Automation and DrivesA&D AS SM6,
Page # 2.2.1. Module CPUCPU cc loi khc nhau: 312IFM, 312C, 313,
313C, 314, 314IFM, 314C, 315, 315-2 DP, 316-2 DP, 318-2 Loi 312IFM,
314IFM khng c th nh Loi 312IFM, 313 khng c pin nui Loi 315-2DP,
316-2DP, 318-2 c cng truyn thng DP
Automation and DrivesA&D AS SM6, Page #
-SF() li phn cng hay mm,-BATF() li pin nui,-DC5V(l cy)ngun 5V
bnh thng-RUN (l cy) CPU mode RUN- STOP mode (vng)- BUSF ()li phn
cng hay phn mm giao din PROFIBUS Automation and DrivesA&D AS
SM6, Page # Cng truyn thng MPI (MultiPoint Interface) c th ni : my
tnh lp trnh, mn hnh OP (Operator panel). Cc PLC c cng MPI (S7-200,
S7-300, S7-400), vn tc truyn n 187.5kbps (12Mbps vi CPU 318-2) Cng
Profibus DP ni cc thit b trn theo mng Profibus vi vn tc truyn ln n
12MbpsAutomation and DrivesA&D AS SM6, Page # 2.2.2 Module
Interface Module (IM)
Module IM360 gn rack 0 k CPU dng ghp ni vi module IM361 t cc
rack 1, 2, 3 gip kt ni cc module m rng vi CPU khi s module ln hn 8.
Automation and DrivesA&D AS SM6, Page # 2.2.3 Module tn hiu
Signal Modules (SM)- Module vo s c cc loi sau:SM 321; DI 32 _ 24
VDCSM 321; DI 16 _ 24 VDCSM 321; DI 16 _ 120 VAC, 4*4 nhmSM 321; DI
8 _ 120/230 VAC, 2*4 nhmSM 321; DI 32 _ 120 VAC 8*4 nhm- Module ra
s: SM 322; DO 32 _ 24 VDC/0.5 A, 8*4 nhmSM 322; DO 16 _ 24 VDC/0.5
A, 8*2 nhm
Automation and DrivesA&D AS SM6, Page # SM 322; DO 16 _ 120
VAC/1 A, 8*2 nhmSM 322; DO 8 _ 120/230 VAC/2 A, 4*2 nhmSM 322; DO
32_ 120 VAC/1.0 A, 8*4 nhmSM 322; DO 16 _ 120 VAC ReLay, 8*2 nhmSM
322; DO 8 _ 230 VAC Relay, 4*2 nhmSM 322; DO 8 _ 230 VAC/5A
Relay,1*8 nhm- Module vo/ ra sSM 323; DI 16/DO 16 _ 24 VDC/0.5 ASM
323; DI 8/DO 8 _ 24 VDC/0.5 AAutomation and DrivesA&D AS SM6,
Page # Module vo tng t:SM331 AI 2*12: 2 knh vo vi sai, phn gii 12
bitSM331, AI 8*12 bit: 8 knh vi sai chia lm 2 nhm, phn gii 12
bitSM331, AI 8*16 bit: 8 knh vi sai chia lm 2 nhm , phn gii 16
bitModule ra tng t:SM332 AO 4*12 bit: 4 ng ra dng hay p phn gii 12
bit, thi gian chuyn i 0.8 ms .SM332 AO 2*12 bitSM332 AO 4*16
bitAutomation and DrivesA&D AS SM6, Page # Module vo/ra tng
t:SM 334; AI 4/AO 2 * 8 BitSM334; AI 4/AO 2* 12 Bit1.2.3 Module tn
hiu Signal Modules (SM)Automation and DrivesA&D AS SM6, Page #
2.2.4 Module chc nng Function Module (FM)FM350-1 : m xung mt
knhFM350-2 : m xung tm knhFM351, 353, 354, 357-2 : iu khin nh v
FM352: b iu khin cam in tFM355: b iu khin h kn
Automation and DrivesA&D AS SM6, Page # Cu hi: B PLC S7-300
c cc thng s v module sau: Ngun PS307-10A CPU 315-2DP Module SM 321:
DI 16 _ 24 VDC rack 0, slot 5 Module SM 322; DO 32_ 120 VAC/1.0 A,
rack 0, slot 6 Module SM331 AI 2*12, rack 0, slot 7 SM332 AO 2*12
bit , rack 0, slot 8 Xc nh a ch cc ng vo/ra ca cc moduleAutomation
and DrivesA&D AS SM6, Page # III. CHC NNG CA CC PHN T C BN3.1.
Phn mm v ngn ng lp trnhPhn mm: SIMATIC STEP 7 V5.xNgn ng lp trnh:
-Ladder (LAD)FBDSTLSCL (Structured Control
Language)S7-GraphS7-HiGraphAutomation and DrivesA&D AS SM6,
Page # 3.2. Cc kiu d liu Kiu Boolean: dung lng 1 bit c gi tr 0 hoc
1 Kiu byte: dung lng 8 bit c gi tr t 0 n 255 Kiu word: dung lng 16
bit c gi tr t 0 n 65535 Kiu Int: dung lng 16 bit c gi tr t -32767 n
+32767 Kiu Double word: dung lng 32 bit
Automation and DrivesA&D AS SM6, Page # 3.3. Cu trc b nh
CPUB nh PLC S7-300 c chia lm 3 vng chnh: Vng cha chng trnh ng dng
chia lm 3 khi: Khi t chc OB (Organization blocks) Khi hm FB
(Function blocks) Khi hm FC (Functions) Vng cha tham s v chng trnh
ng dng:I (Process image input): min b m cc d liu ng vo sAutomation
and DrivesA&D AS SM6, Page # Q (Process image output): min b m
cha cc d liu ng ra sM: min cc bin nh. C th truy cp min ny theo bit
(M), byte (MB), word (MW), double word (MD)T: min nh cho b thi gian
timerC: min nh cho b m counterPI: min nh cha cc d liu ng vo tng
tPQ: min nh cha cc d liu ng ra tng tAutomation and DrivesA&D AS
SM6, Page # Vng cha cc khi d liu:DB (Data block) L (Local data
block)Automation and DrivesA&D AS SM6, Page # 3.4. Vng qut chng
trnh- PLC thc hin chng trnh theo chu k vng lp. Mi vng lp c gi l vng
qut (scan). Trong vng qut, chng trnh c thc hin t lnh u tin n lnh kt
thc ca khi OB1 Thi gian PLC thc hin mt vng qut gi l thi gian vng
qut (scan time)Automation and DrivesA&D AS SM6, Page # 3.5. Cu
trc chng trnh Lp trnh tuyn tnh: ton b chng trnh nm trong mt khi.
Loi hnh lp trnh ny ph hp cho cc chng trnh ng dng nh. Khi lp trnh
tuyn tnh l khi OB1 Lp trnh cu trc: chng trnh c chia thnh tng phn nh
vi tng nhim v ring v cc thnh phn nm trong cc khi khc nhau. Loi hnh
lp trnh ny ph hp cho nhng ng dng phc tp.Automation and
DrivesA&D AS SM6, Page # 3.6. Cc tp lnh v bit logic:Lnh tip im
thng ng/m
Thng ngThng ma ch: Ix.y, Qx.y, Mx.y, Timer (Tx), Counter(Cx) 2.
Lnh ng ra
a ch: Qx.y, Mx.yAutomation and DrivesA&D AS SM6, Page # V d:
Khi c tn hiu vo I0.0, ng ra Q0.0 tc ng
3. Lnh NOT (o)
Automation and DrivesA&D AS SM6, Page #
V d: Khi c tn hiu vo I0.0, ng ra Q0.0 tc ng
3. Lnh Set: tc ng ng ra v gi trng thi a ch: Qx.y, Mx.y, Tx,
Cx...Automation and DrivesA&D AS SM6, Page # 4. Lnh Reset: khng
ng ng ra v gi trng thi
a ch: Qx.y, Mx.y, Tx, Cx...V d 4.3: Khi c tn hiu vo I0.0, ng ra
Q0.0 tc ng v vn gi trng thi. Khi c tn hiu vo I0.1, ng ra khng tc
ngAutomation and DrivesA&D AS SM6, Page #
V d : Khi c tn hiu vo I0.0, ng ra Q0.0 tc ng v vn gi trng thi.
Khi c tn hiu vo I0.1, ng ra khng tc ngAutomation and DrivesA&D
AS SM6, Page # 4. Lnh RS:
a ch: Mx.yNg voNg raBit nhRSQM00Khng i011010011111
Automation and DrivesA&D AS SM6, Page # 5. Lnh SR:a ch:
Mx.yNg voNg raBit nhSRQM00Khng i010010111100
Automation and DrivesA&D AS SM6, Page # 5. Lnh vi phn cnh
ln(P)/cnh xung(N):
Cnh lnCnh xungAutomation and DrivesA&D AS SM6, Page # V d:
Kt ni nt nhn S1 vo I0.0, n vo Q0.0. Vit chng trnh khi nhn S1 gi v
th S1 n sng
Lu : Sau lnh P v N phi s dng dng ng ra l S hoc RAutomation and
DrivesA&D AS SM6, Page # Bi tp: Cho s kt ni phn cng nh hnh 4.1.
Vit chng trnh thc hin mt nt nhn ON/OFF hin th ng ra trn n
Hnh 4.1Automation and DrivesA&D AS SM6, Page # Gii:1. Phn
tch h thng, lp bng a ch
2. Kt ni thit b ngoi vi vi PLC3. Thit lp lu iu khin v vit chng
trnh
4. M phng, kim tra kt ni v np chng trnhAutomation and
DrivesA&D AS SM6, Page # Bi tp 1: Vit chng trnh PLC thc hin chc
nng ca cc cng logic NOT, OR, AND, NOR, NAND, XOR, XNORBi tp 2: Vit
chng trnh PLC m kho theo yu cu sau:Mt m m kho gm 3 nt nhn S1, S2,
S3. S4 l nt Reset khi nhp m sai. Ng ra iu khin 1 kho in t. Nhn ng
th t S1, S2, S3 th kho m, ngc li th khng. Automation and
DrivesA&D AS SM6, Page # 3.7. Lnh timer:Lnh S_PULSE: to
xung
Tx: (x:0-255)TV: S5T#aH_bM_cS_dMSaH: gibM: phtcS: giydMS: mili
giyR: reset timerQ: Ng raS: Ng voBI: lu gi tr m dng integer MWx
(x:0-255)BCD: lu gi tr m dng BCD MWx (x:0-255)
Automation and DrivesA&D AS SM6, Page # Dng xung ca timer
S_PULSEV d: Vit chng trnh khi c tn hiu ng vo I0.0 th xut hin xung
ng ra Q0.0 trong khong T=2S
Automation and DrivesA&D AS SM6, Page # 2. Lnh S_PEXT: to
xung c nhTx: (x:0-255)TV: S5T#aH_bM_cS_dMSaH: gibM: phtcS: giydMS:
mili giyR: reset timerQ: Ng raS: Ng voBCD: lu gi tr m dng BCD MWx
(x:0-255)BI: lu gi tr m dng integer MWx (0-255)
Automation and DrivesA&D AS SM6, Page # Dng xung Timer
S_PEXTV d: Vit chng trnh khi c tn hiu ng vo I0.0 th xut hin xung ng
ra Q0.0 trong khong T=2S
Automation and DrivesA&D AS SM6, Page # 3. Lnh S_ODT (On
delay): to thi gian khng c nh Tx: (x:0-255)TV: S5T#aH_bM_cS_dMSaH:
gibM: phtcS: giydMS: mili giyR: reset timerQ: Ng raS: Ng voBCD: lu
gi tr m dng BCD MWx (x:0-255)BI: lu gi tr m dng integer MWx
(0-255)
Automation and DrivesA&D AS SM6, Page # Dng xung Timer
S_ODT
V d: Vit chng trnh khi c tn hiu ng vo I0.0 sau khong thi gian
T=2S, ng ra Q0.0 tc ng
Automation and DrivesA&D AS SM6, Page # 4. Lnh S_ODTS: to
thi gian c nh Tx: (x:0-255)TV: S5T#aH_bM_cS_dMSaH: gibM: phtcS:
giydMS: mili giyR: reset timerQ: Ng raS: Ng voBCD: lu gi tr m dng
BCD MWx (x:0-255)BI: lu gi tr m dng integer MWx (0-255)
Automation and DrivesA&D AS SM6, Page # Dng xung Timer
S_ODTS
V d: Vit chng trnh khi c tn hiu ng vo I0.0 sau khong thi gian
T=2S, ng ra Q0.0 tc ng
Automation and DrivesA&D AS SM6, Page # 5. Lnh S_OFFDT: to
thi gianTx: (x:0-255)TV: S5T#aH_bM_cS_dMSaH: gibM: phtcS: giydMS:
mili giyR: reset timerQ: Ng raS: Ng voBCD: lu gi tr m dng BCD MWx
(x:0-255)BI: lu gi tr m dng integer MWx (0-255)
Automation and DrivesA&D AS SM6, Page # Dng xung Timer
S_OFFDTV d: Vit chng trnh khi c tn hiu ng vo I0.0 ng ra Q0.0 tc ng
sau khong T=2S, Q0.0 khng tc ng.
Automation and DrivesA&D AS SM6, Page # V d: Cho on chng
trnh sau:
I0.0 = 1 2 giy sauQ0.0 = 1 I0.0 = 0 Q0.0 = 0 Q0.0 = 0 Automation
and DrivesA&D AS SM6, Page #
V d: Cho on chng trnh sau:I0.0 = 1 2 giy sauQ0.0 = 1 Q0.0 = 0
I0.0 = 1 Q0.0 = 1 Q0.0 = 0 I0.0 = 0 Q0.0 = 1 2 giy sauAutomation
and DrivesA&D AS SM6, Page # 3.8. Lnh Counter:Couter UP (S_CU):
counter m ln
C0: tn counter (C0-C255)CU: ng vo m khi c tn hiu t 0 ln 1
S: ng vo tc ng np gi tr m (PV) vo counter PV: ng vo nhp gi tr m
(C#gi tr)R: ng vo resetCV: ng ra lu gi tr m dng Integer
(MW0-MW255)CV_BCD: ng ra lu gi tr m dng BCD (MW0-MW255) Automation
and DrivesA&D AS SM6, Page # 2. Counter Down (S_CD): counter m
xung S: ng vo tc ng np gi tr m (PV) vo counter PV: ng vo nhp gi tr
m (C#gi tr)R: ng vo resetCV: ng ra lu gi tr m dng Integer
(MW0-MW255)CV_BCD: ng ra lu gi tr m dng BCD (MW0-MW255)
C0: tn counter (C0-C255)CU: ng vo m khi c tn hiu t 0 ln 1
Automation and DrivesA&D AS SM6, Page # Lu : Ng ra Q0.0=1 v
C0=1 khi gi tr m ln hn 0- i vi counter Down: khi gi tr m li v 0 th
ng ra Q0.0 v C0 bng 0
Automation and DrivesA&D AS SM6, Page # 3. Couter UP_Down
(S_CUD): counter m ln_xung S: ng vo tc ng np gi tr m (PV) vo
counter PV: ng vo nhp gi tr m (C#gi tr)R: ng vo resetCV: ng ra lu
gi tr m dng Integer (MW0-MW255)CV_BCD: ng ra lu gi tr m dng BCD
(MW0-MW255)
C0: tn counter (C0-C255)CU_CD: ng vo m ln/xung khi c tn hiu t 0
ln 1
Automation and DrivesA&D AS SM6, Page # 4.4. Lnh so snh:Lnh
EQ_I: so snh 2 s nguyn bng nhau
IN1, IN2: 2 ng vo so snh (MW0-MW255)Nu ng vo IN1 = IN2 th ng ra
Q0.0 = 1, ngc li Q0.0 = 0Automation and DrivesA&D AS SM6, Page
# 2. Lnh NE_I: so snh 2 s nguyn khng bngIN1, IN2: 2 ng vo so snh
(MW0-MW255)Nu ng vo IN1 khc IN2 th ng ra Q0.0 = 1, ngc li Q0.0 =
0
Automation and DrivesA&D AS SM6, Page # 3. Lnh GT_I: lnh so
snh 2 s nguyn ln hnIN1, IN2: 2 ng vo so snh (MW0-MW255)Nu ng vo IN1
> IN2 th ng ra Q0.0 = 1, ngc li Q0.0 = 0
Automation and DrivesA&D AS SM6, Page # 4. Lnh LT_I: lnh so
snh 2 s nguyn nh hnIN1, IN2: 2 ng vo so snh (MW0-MW255)Nu ng vo IN1
< IN2 th ng ra Q0.0 = 1, ngc li Q0.0 = 0
Automation and DrivesA&D AS SM6, Page # 5. Lnh GE_I: lnh so
snh 2 s nguyn ln hn hoc bngIN1, IN2: 2 ng vo so snh (MW0-MW255)Nu
ng vo IN1 ln hn hoc bng IN2 th ng ra Q0.0 = 1, ngc li Q0.0 = 0
Automation and DrivesA&D AS SM6, Page # 6. Lnh LE_I: lnh so
snh 2 s nguyn nh hn hoc bngIN1, IN2: 2 ng vo so snh (MW0-MW255)Nu
ng vo IN1 nh hn hoc bng IN2 th ng ra Q0.0 = 1, ngc li Q0.0 = 0
Automation and DrivesA&D AS SM6, Page # V d: Vit chng trnh m
sn phmYu cu: m 10 sn phm th n bo sng lnGii: Vit chng trnh
Automation and DrivesA&D AS SM6, Page #
