Chng 2: H THNG IU KHIN SCADA

Ngi Thc Hin: Hong Quc Xuyn

Mn Hc:

H THNG SCADA,DCS V MNG

TRUYN THNG CNG NGHIP

H NI - 20121

TRNG I HC CNG NGHIP H NI

NI DUNG CA BI HC

2

1. Khi nim v SCADA

* Khi nim v iu khin gim st

* Scada l g

2. Cu trc h SCADA

* Cc cu trc tiu biu ca h thng SCADA

* Cc thnh phn c bn ca h SCADA

* Cc c im ca h thng SCADA

3. Cu trc phn mm ca h SCADA

* C s d liu qu trnh

* Giao din ngi my

* Chc nng cnh bo bo ng

BI 1: TNG QUAN V H THNG IU KHIN SCADA

Chng 2: H THNG IU KHIN SCADA

31. Khi nim v SCADA

* Khi nim v iu khin gim st

iu khin gim st l g?

iu khin gim st = Supervisory Control

Theo ngha hp: To gi tr t v hiu chnh cc tham s

cho cc b iu khin t ng pha di

(khng ch iu khin m cn gim st thay i c qu

trnh iu khin)

Theo ngha rng: Tt c cc chc nng iu khin pha trn

iu khin t ng, c s tham gia gim st ca con ngi

4* Khi nim v iu khin gim st

Gim st vn hnh

iu khin vn hnh

Bo co & bo ng

iu khin cao cp

Qun l & lu tr d liu qu trnh

Cc chc nng tiu biu ca iu khin gim st:

H thng iu khin gim st -> Thnh phn quan trng ca mt h thng t ng ha hin i

5* SCADA l g?

- SCADA = Supervisory Control And Data Acquisition

- Mt trong nhng khi nim "mt" hin nay trong gii

cng nghip

- Cm t "Supervisory Control and Data Acquisition"

c s dng u tin trong ngnh in nng ti hi

ngh PICA (Power Industry Computer Applications),

1973

- C nhiu quan im khng thng nht hin nay v SCADA

6* SCADA l g?

"Supervisory control and data acquisition (SCADA) is a system that allows an operator to monitor and control processes that are distributed among various remote sites...

There are four major elements to a SCADA system:the operator, master terminal unit (MTU),communications, and remote terminal unit (RTU).

(Boyer, Stuart, A. SCADA: Supervisory Control and Data Acquisition,Instrument Society of America, Research Triangle, NC. 1993)

7* SCADA l g?

Acronym for supervisory control and data acquisition, a computer system for gathering and analyzing real time data. SCADA systems are used to monitor and control a plant or equipment in industries such as telecommunications, water and waste control, energy, oil and gas refining and transportation.

SCADA systems can be relatively simple, such as one that monitors environmental conditions of a small office building, or incredibly complex, such as a system that monitors all the activity in a nuclear power plant or the activity of a municipal water system.

SCADA systems were first used in the 1960s.

http://www.webopedia.com/TERM/S/SCADA.html

8* SCADA l g?

SCADA (supervisory control and data acquisition) is a software program that gathers real time information for process control of equipment. SCADA can be used in industries such as telecommunications, oil and gas refining, water and waste control and transportation. The SCADA system gathers information, for example, about the location of a leak as well as determining how critical it is. The system will also organize and process the information, displaying it for users.

http://www.computeruser.com/dictionary/

9* SCADA l g?

Theo ngha c in:

Cc h thu thp d liu v gim st tp trung t xa, Chc nng ch yu l quan st, t c iu khin

c s dng ch yu trong cc h thng in nng, cung

gp gas, cung cp nc v x l nc thi

Cc thit b phn cng (MTU, RTU), h thng truyn thngc t ln hng u.

Theo ngha hin i:

Chc nng iu khin gim st v thu thp d liu nh ng

tn gi ca n c s dng trong hu ht cc lnh vc t ng ha (tr

cc ng dng phm vi nh nh iu khin nhng, iu khin

my mc/thit b n l)

Trng tm l h thng phn mm (phn mm SCADA/HMI)

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* SCADA l g?

Hnh 1 V d v mt h thng SCADA

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2. Cu trc h SCADA

* Cc cu trc tiu biu ca h thng SCADA

Hnh 2 Cc cu trc tiu biu ca h thng SCADA

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* Cc thnh phn c bn ca h SCADA

Thit b thu thp d liu:

PLC, RTU, PC, I/O, cc u

o thng minh

H thng truyn thng: Mng truyn thng, cc bdn knh/phn knh,Modem, cc b thu pht. Trm qun l d liu: My ch (PC, Workstation), cc b tp trung dliu (Data concentrator, PLC, PC) Trm vn hnh (Operator Station)

Hnh 3 Cu trc tiu biu ca h thng SCADAQuy m ln

13

* Cc c im ca h thng SCADA

-Cng ngh SCADA cho php thu thp d liu t nhiu thit b khc

nhau t xa v a mt s lnh iu khin n cc thit b t xa

-V giao thc: H SCADA l h iu khin gim st c giao thc

truyn thng m, c th t nh ngha giao thc truyn thng vi cc

PLC

- Tnh linh hot: H SCADA l mt h thng c linh hot cao. Cho

php kt ni nhiu server vi cc b iu khin khc nhau, mi data

server c mt cu trc c s d liu khc nhau v c nhim v gim st

mt s bin nht nh

-Kh nng d phng: Do nhim v chnh ca h SCADA khng phi l

iu khin lin tc m a phn tp trung cho gim st nn yu cu v

kh nng d phng l khng cao. Thng thng ch d phng vi cc

thit b cp trn cng nh h thng my tnh ch.

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3. Cu trc phn mm ca h SCADA

Hnh 4 Cu trc phn mm ca h SCADA

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3. Cu trc phn mm ca h SCADA

* C s d liu qu trnh

- Chc nng qun l, lu tr:

D liu qu trnh

D liu tnh trng h thng

D liu qu kh

D liu cnh bo

D liu vn hnh

- V c bn ging cc h thng c s d liu thng thng

Thng c xy dng trn c s mt thng phm nh

SQL Server, Sybase, Informix,...

- Cc yu cu c bit:

Tn sut cp nht cao, mang tnh tun hon

Tnh nng thi gian thc

Qun l hiu qu c s d liu ln lin tc rt nhanh

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Giao din ngi my

-S khi (h thng):

Hin th tnh trng cc thit b, my mc

Hnh 5 Hin th tnh trng cc thit b my mc

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Giao din ngi my

-Lu cng ngh (phn on, nhm):

Hin th cc gi tr qu trnh, cc hnh nh ng minh ha, cc phm iu khin

Hnh 6 Lu cng ngh

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Giao din ngi my

-Faceplates:

Hin th v can thip chi tit mt vng iu khin (ch iu khin, cc gi tr bin

v tham s iu khin, tnh trng bo ng)

Hnh 7 Faceplates

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Giao din ngi my

- th thi gian thc:

Hin th cc gi tr qu trnh (tc thi)

Hnh 8 th thi gian thc

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Giao din ngi my

- th qu kh:

Hin th cc gi tr lu tr

Hinh 9- th qu kh

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Giao din ngi my

-Cc ca s bo ng

Hnh 10 Ca s bo ng

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Giao din ngi my

-Cc ca s ch dn

Hnh 11 Ca s ch dn

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* Chc nng cnh bo bo ng

-Gi cnh bo/bo ng theo

Phm vi h thng

Trm c quyn can thip

Mc u tin, tnh cp thit

- Lu tr d liu cnh bo/bo ng

- Hin th cnh bo/bo ng:

Sp xp theo mc u tin, tnh cp thit

Sp xp theo thi gian xy ra

Sp xp theo loi cnh bo/bo ng

S dng mu sc v hiu ng nhp nhy

- Xc nhn cnh bo/bo ng:

Quyn ngi s dng

Xc nhn theo nhm hoc xc nhn theo tng thng bo

- Xa cnh bo/bo ng