of 8
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OPCGroup
OPCGroup
OPCGroup
OPCGroup
OPCItem
OPCItem
OPCGroup
OPCGroup
OPCGroup
OPCGroup
OPCItem
OPCItem
OPCGroup
OPCGroup
OPC
Group
OPC
Group
O
PCItem
O
PCItem
OPC
OPC
Interfaces
I
nterfaces
OPCGro
up
OPCGro
up
OPCGroup
OPCGroup
OPCGroup
OPCGroup
Device
Device
TagTag
TagTag
TagTag
Device
Device
TagTag
TagTag
TagTag
Physica
ldeviceabstraction,hardware
Physica
ldeviceabstraction,hardware
connectionmanagement.
connectionmanagement.
Directc
ommunicationwithI/O
Directc
ommunicationwithI/O
devices
oruserdesignedDLL.
devices
oruserdesignedDLL.
Collectionoftags.
Collectionoftags.
Tagsareupdatedregularly.
Tagsareupdatedregularly.
DeviceObject
DeviceObject
Devicei
Devicei
Tag1
Tag1
Tag2
Tag2
Tag3
Tag3
Parameterofengineeringpro
cess.
Parameterofengineeringpro
cess.
Analog,digital,
Analog,digital,mumeric
mumeric,string,etc.
,str
ing,etc.
ItemName=Fulltagname
ItemName=FulltagnameT
ag
T
ag
Itemi
Itemi
Name=
Name=
Meteorologic.Pre
ssure
Meteorologic.Pre
ssure
Device1
Device1
N
ame=
N
ame=Meteorologic
Meteorologic
Tag1
Tag1
Name=Temperature
Name=Temperature
Tag2
Tag2
Name=Pressure
Name=Pressure
Tag3
Tag3
Name=Humidity
Name=Humidity
ClassTag
ClassTag
{{
public:
public:
GetValue
GetValue(.);
(.);
SetValue
SetValue();
();
private:
private:
CString
CString
Name;
Name;
DWORD
DWORD
Address;
Address;
VARIANT
VARIANT
Value;
Value;
DWORD
DWORD
Quality
;
Quality;
FILETIME
FILETIME
TimeStamp
TimeStamp;;
OPCDA1.0
OPCDA1.0
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Application
Application
XX--Rayluminescent
Rayluminescent
Separator
Separator
GeniDAQ
GeniDAQ
GeniDAQ
GeniDAQ
Summary
Summary
1.1.
Frank
FrankIwanittz
Iwanittz,,Jrgen
JrgenLange.OPC:fundamentals,implementation,and
Lange.OPC:fundamentals,i
mplementation,and
application/[
application/[Softing
Softing].Heidelberg:
].Heidelberg:Huthig
Huthig.2002.22
1p.
.2002.22
1p.
2.2.
Frantiek
FrantiekPlil
Plil,Michael
,MichaelStal
Stal.Anarchitectureview
ofdistributedobjectsand
.Anarchitectureviewofdistributedobjectsand
componentsinCORBA,JavaRMIandCOM/DCOM//Software
componentsinCORBA,JavaRMIandCOM/DCOM
//SoftwareConcepts&
Concepts&
Tools.1998.19.P.14
Tools.1998.19.P.14--28.28.
3.3.
Mike
MikeSantory
Santory
.OPC:OLEforProcessControl//Rea
l
.OPC:OLEforProcessControl//Rea
l--TimeMagazine.1997.
TimeMagazine.1997.
4.P.78
4.P.78--81.81.
4.4.
OPCAlarmsandEventsCustomInterfaceStandard
Version1.02.OP
OPCAlarmsandEventsCustomInterfaceStandard
Version1.02.OPCC
Foundation.A
ustin,Texas,November1999.
Foundation.A
ustin,Texas,November1999.
5.5.
OPCDataAc
cessCustomInterfaceStandardVersio
n2.05.OPCFoun
OPCDataAc
cessCustomInterfaceStandardVersio
n2.05.OPCFoundation.
dation.
Austin,Texas,December2001.
Austin,Texas
,December2001.
6.6.
OPCHistoric
alDataAccessCustomInterfaceStand
ardVersion1.1
OPCHistoricalDataAccessCustomInterfaceStand
ardVersion1.1.OPC
.OPC
Foundation.A
ustin,Texas,January2001.
Foundation.A
ustin,Texas,January2001.
Veryinterestin
gconcept
Veryinterestingconcept
Needforindustrialsystemintegration(industrialdevices,SCAD
Needforindustrialsystemintegration(industrialdevices,SCADAsystems)
Asystems)
Standardacrossvendors,nolongerseparatedriversforSCADA.
Standardacrossvendors,nolongerseparatedriversfo
rSCADA.
Allowapplicationstoeasilyaccesssubsystemdata
Allowapplicationstoeasilyaccesssubsystemdata
Areoptimized
foruseoveranetwork
Areoptimized
foruseoveranetwork
References
References
Truong
D.
TruongD.Chau
Chau,,
Departm
entofAutomatics&Computing,
Departm
entofAutomatics&Computing,
Faculty
ofTechnicalCybernetics,
Faculty
ofTechnicalCybernetics,
Saint
Saint--PetersburgStatePolytechnicUniversity,
Pe
tersburgStatePolytechnicUniversity,
Russia
Russia
ee--mail:mail:[email protected]
