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Loosely coupled OPC client used to animate GIS

Mariusz PostółMaciej Zbrzezny

www.cas.eu

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CONTROL PROCESS

• Łódź citizens #: 1M

• Heating plants: 3

• Total thermal output: 2560MW

• Heat distribution network: ~800km

~500miles

• Number of nodes: ~7 000

• Production in cogeneration:– Hot water– Electric power– Steam

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GIS – Functions: Inventory & localization

• Topology map

• Inventory

• Modeling

• Hydraulic calculation

• Supply area visualization

• More....

NOT

REAL-TIME SYSTEM

4

AP

PL

ICA

TIO

NA

PP

LIC

AT

ION

Application – general model

Data Data

Business Business

PresentationPresentation

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Application: integrated architecture

•Data services

•Business services

•Presentation services

3 la

yers

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Application: distributed architecture

Data services

Business services

Presentation services

3 la

yers

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Application: communication standards

Data services

Business services

Presentation services

3 la

yers

SQL OPC HTTP/XML

SQL OPC HTTP/XML

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PROCESS

INTRFC

OPC

INTRFC

GIS: Process integration

Data(OPC/C)

Business

Presentation

GISCACHE

OP

C S

ER

VE

R GIS

BLACK BOX

MultisourceConnect/Disconnect/reconnectItems databaseGroup managementSubscriptionRead (synch/asynch/deadband)Write ???SecurityShutdown

To do it we need: To know OPC specification

To write a lot of lines of code (XX 000)

To develop for the same platform

To know internal architecture & interfaces specifications

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DataIMPORT

IMPORT

Dat

aPor

ter

HT

TP

/XM

L

GIS: Process integration

Business

Presentation

GIS

SERIALOPC/S

CACHE

DATA

10

Dat

aPo

rter

SQ

L

P1 = aa+a+...

PUSH(Q1, d+c)

DataPorter –OPC client

SQL CONNECTIVITY

XML CONNECTIVITY

OPC CONNECTIVITY

a = aa + 10 bb

Average(a, b, c, d)

HORIZONTAL

VE

RT

ICA

L

XM

L

- P1- P2- P3- P4

TAGS

- Q1- Q2- Q3- Q4

QUEUES

OP

CS

- aa- bb- cc- dd

TAGS

OP

CS

- a- b- c- d

TAGS

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Dat

aPo

rter

CONFIGURATIONCONFIGURATION

GIS

SMALLWORD

OPC

COMMSERVER

SQL

ORACLE

ST

AT

IST

IC P

RO

CE

SS

OR

TR

AN

SP

OR

T E

NG

INE

SQ

LO

PC

XM

L

DataPorter - OPC client

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DataPorter FEATURES

• Multi-sources;

• Easy configurable;

• Advanced transport algorithm: deadbands and minimal update rates;

• Transactions;

• Buffered queues;

Dat

aPo

rter HTTP/SOAP/WSDL

THERE IS NO NEED

THERE IS NO NEED

TO MAKE THE GIS CLIENT

TO MAKE THE GIS CLIENT

SO COMPLICATED

SO COMPLICATED

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HTTP / SOAP / WSDL

• Easy to access well defined interface:– WSDL description:

http://Server:9000/OPCRealtimeDataAccess?wsdl

– UML Description

•Available services:–OPCRealtimeDataAccess–OPCBufferedDataAccess

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OPCRealtimeDataAccess

Service for accessing current data.

• Values

• Items list

• List of available properties and value of properties

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OPCBufferedDataAccess

• Protection from missing any information

• FIFO queue algorithm

• Transaction algorithm – connect to queue;– start transaction;– get elements; – end transaction – remove queue contents

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SOC

SOC

SB

s

Corporate network

SE

RV

R

View

GIS

View

SCs

Corporate field network

SOCSOC K

Ds

SPM

EC EC EC

TCH

TCH

SYSTEM INTEGRATION

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NAT

KxxxKxxx

KxxxKxxx

VLANSYM

SOC

SOC

SOCSOC

TCH

TCH

Corporate field network

EC EC EC

KOM

KOM

SQL

SYSTEMS INTEGRATION

View

SE

RV

ER

Corporate network

GIS

View

SB

k

WALL SCREEN

SQL OPC

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NAT

KxxxKxxx

KxxxKxxx

SCk

VLANSYM

SOC

SOC

SB

s

SCs

SOCSOC K

Ds

SPM

TCH

TCH

Corporate field network

EC EC EC

KOM

KOM

ORACLE

View

SE

RW

ER

Corporate network

GIS

View

SB

k

SYSTEMS INTEGRATION - GIS

WIZ

OP

CS

OP

CS

OP

CSS

OC

GISUNTOUCHABLE

UNTOUCHABLE

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MASTER

RS485 ETHERNET

WS

WS

PASSIVE OPC SERVER

PASSIVE

MONITOR

CACHE

INTERFACE

OPC

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Main Components

OP

CB

SO

PC

Sr Dat

aPo

rter

GIS

Clie

nt

GIS

Ser

ver

•OPC

•OPC

GISHTTP /

SOAP

OP

CS

rO

PC

Sr

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GIS – Functions: Inventory & localization

P=1.1Mpa

T=96 C

C=0.25 Mpa

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Thank you for your time