Chng 2:
CU TRC PHN CNG CA SCADA SYSTEMBi 2:
CU TRC CHUNG CA SCADA SYSTEM
Phan Duy Anh Ver. 1
REVIEW
SCADA system l g: Supervisory Control and Data Acquisition
System H thng thu thp d liu v iu khin gim st. L h thng thu thp d
liu thi gian thc t cc i tng x l, biu din, lu tr, phn tch v c kh nng
iu khin c nhng i tng ny [1] . c im: lm vic vi thi gian thc, s dng
khi lng ln thng tin tha, cu trc mng da theo nguyn tc module m, c
thit b lm vic trng thi d tr nng,
Phan Duy Anh Ver. 1
1. CU TRC CA SCADA SYSTEM C BN
Phan Duy Anh Ver. 1
1. CU TRC CA SCADA SYSTEM C BNRTU (Remote Terminal Unit): thit b
u cui t xa. Nhim v: thu thp s liu, x l & iu khin ch thi gian
thc. Phn loi: a dng. Cc cm bin thu thp d liu, cc my mc c b x l, x l
d liu v iu khin i tng trong ch thi gian thc. MTU (Master Terminal
Unit): trung tm iu phi. Nhim v: thc hin cng vic thu thp s liu v iu
khin mc cao ch thi gian thc. Phn loi: C giao din ngi- my (HMI), c
th l mt my tnh n hoc mt h thng my tnh ln bao gm Servers v Clients.
CS (Communication System): h thng truyn thng Nhim v: truyn d liu t
RTU n MTU v truyn tn hiu iu khin t MTU n RTU. Phn loi: nhiu phng
thc truyn thng, c dy, khng dy,Phan Duy Anh Ver. 1
1. CU TRC CA SCADA SYSTEM C BNCc kiu cu hnh h thng thng gp: Cu
hnh point to point:
Phan Duy Anh Ver. 1
1. CU TRC CA SCADA SYSTEM C BN Cu hnh point to multipoint:
Phan Duy Anh Ver. 1
1. CU TRC CA SCADA SYSTEM C BNPhn chia chc nng trn SCADA SYSTEM:
C 4 thnh phn chc nng c bn trn SCADA SYSTEM: Con ngi, My tnh tng tc
vi con ngi, My tnh tng tc vi i tng c iu khin, i tng c iu khin. Vai
tr ca tng thnh phn chc nng:
Phan Duy Anh Ver. 1
2. CU TRC CA SCADA SYSTEM HIN ICu trc phn cp SCADA SYSTEM theo
SIEMENS:
Cp qun l Cp iu khi n qu trnh
Cp iu khin gim st
Cp iu khin cc b
Phan Duy Anh Ver. 1
Cp thit b
2. CU TRC CA SCADA SYSTEM HIN ILung thng tin trong h thng
scadaThng tin v trng thi qu trnh, ch s kinh t, Cht lng
K hoch sn xut, Yu cu kinh t
Cp qun l
Thay i setpoint, Cu hnh li cc h thng iu khin cc b
Cp iu khin gim st Thng s qu trnh Cp iu khin cc b Thng s o c t qu
trnh
Tn hiu iu khin
Cp thit bPhan Duy Anh Ver. 1
CHC NNG & NHIM V CA CP THIT B
1/ Chp hnh tn hiu iu khin thi gian thc (realtime) t cp trn. 2/
Tr li thng s vn hnh thi gian thc (realtime) cho cp trn.
Phan Duy Anh Ver. 1
CHC NNG & NHIM V CA CP IU KHIN CC B
1/ Thu thp d liu thi gian thc t cp thit b. 2/ Tnh ton v a ra tn
hiu iu khin theo thut ton ci t trc. 3/ Bo hiu v vic vt qu ngng cho
php ca cc thng s t qu trnh. 4/ Kim sot nhng hnh ng li ca Operator v
thit b iu khin.Phan Duy Anh Ver. 1
CHC NNG & NHIM V CA CP IU KHIN GIM ST1/ Thu thp thng tin t
cp di, x l, lu tr v hin th. 2/ a ra tn hiu iu khin trn c s phn tch
thng tin. 3/ Chuyn thng tin v vic sn xut cc xng, x nghip cho cp cao
hn. 4/ Tnh ton nhng thng s th cp: cc ch s v cht lng sn phm, ch s
kinh t k thut. 5/ Thay i li thng s, cu hnh ca cp iu khin cc b. 6/
Lu tr thng tin 7/ a ra cc bo co 8/ Chun on v s h hng ca cc phn t
trong h thng.Phan Duy Anh Ver. 1
CHC NNG & NHIM V CA CP QUN L
1/ Ti u cc ch s kinh t v sn xut. 2/ iu khin theo cc ch s kinh t,
kinh tk thut. 3/ Qun l ti nguyn cng ty. 4/ Lu tr thng tin. 5/ a ra
k hoch sn xut.
Phan Duy Anh Ver. 1
