Exercise 5: Interfacing with OPC and IEC 60870-5-104 · 2012-10-29 · Exercise 5: Interfacing with...

Exercise 5: Interfacing with OPC and IEC

60870-5-104

Nicholas Honeth (nicholash@ics.kth.se)

Outline

• Lab architecture

• Recap of last lecture

• RTU configuration

• WAN connectivity

• OPC server configuration

• OPC client connection

• Java OPC client and the OPCagent

Recap:Lab logical architecture OPCagent: OPC interfacing from JACK

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

Outline

• Recap of JACK interfacing with OPC – the OPCagent

• Java OPC client

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

OLE for Process Control (OPC) Agent platform host

IEC 870-5-104 OPC server

Netcontrol RTU-28IP

OLE for Process Control (OPC)

• Object Linking and Embedding (OLE)

• Originally developed to provide an interface between: - Windows software applications and - Process control hardware.

• A few specifications (versions): - OPC Data Access (DA) - OPC Alarms & Events - OPC Data eXchange (DX) - OPC Commands - OPC XML-DA

- OPC Unified Architecture (UA)

Agent platform host

Netcontrol RTU-28IP

OPC Servers CybServer870M-10x OPC Servers

• Client to communicate with: - IEC 60870-5-101 (Serial) - IEC 60870-5-104 (IP)

• Server for OPC DA

• Makes RTU data accessible: - Status - Measurements - Commands

- Map tag names to “870 addresses”

OLE for Process Control (OPC) Agent platform host

Netcontrol RTU-28IP

Outline

• Java OPC client

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

RTU configuration IEC 60870-5-104 communications config

Agent platform host

Netcontrol RTU-28IP

RTU configuration IEC 60870-5-104 signal mapping

Netcontrol RTU-28IP

Outline

• Java OPC client

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

WAN connectivity WAN emulation through OPNET

WAN connectivity Check conectivity over IP – Using ”Ping”

Outline

• Java OPC client

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

OPC server configuration Creating new device profile Agent platform host

Netcontrol RTU-28IP

OPC server configuration Mapping OPC tag names to IEC 60870-5 addresses Agent platform host

Netcontrol RTU-28IP

OPC server configuration Starting the OPC server Agent platform host

Netcontrol RTU-28IP

Outline

• Java OPC client

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

OPC client connection Connecting to your OPC server Agent platform host

Netcontrol RTU-28IP

Outline

• Java OPC client

Agent platform host

IEC 60870-5-104 OPC

server

Overlay

Network

OPCagent

Function

AgentFunction

Agent platform host

IEC 60870-5-104 OPC

server

OPCagent

Function

JEasyOPC

Program

Java OPC client JEasyOPC Java class library

• Open-source java class library

• Interface with OPC servers

import javafish.clients.opc.JCustomOpc;

import javafish.clients.opc.JEasyOpc;

import javafish.clients.opc.JOpc;

import javafish.clients.opc.asynch.AsynchEvent;

import javafish.clients.opc.asynch.OpcAsynchGroupListener;

import javafish.clients.opc.browser.JOpcBrowser;

import javafish.clients.opc.component.OpcGroup;

import javafish.clients.opc.component.OpcItem;

Initialization: jopc_meas = new JEasyOpc(hostName, serverName, groupName + "_meas");

Reading: gotItem = jopc_meas.synchReadItem(statusGroup, (OpcItem)ItemToRead);

Writing: jopc_command.synchWriteItem(commandGroup, item);

Java OPC client Making Java speak OPC

• Initialise a new JEasyOpc object • Create groups for different readings

• Browsing the items

• Synchronous reading

• Synchronous writing

jopc_command.synchWriteItem(commandGroup, item);

Java OPC client OPC agent - OPC interfacing from JACK

• JACK agent with OPC client capability: - Browser OPC server - Listen for events (status, meas) - Issue commands

• Agent communication using messages: - SubscriptionRequest

- StatusMessage

- MeasMessage

- CommandRequest

JEasyOPC

OPCagent

Java OPC client OPCagent - OPC interfacing from JACK

• JACK agent with OPC client capability: - Browser OPC server - Listen for events (status, meas) - Issue commands

• Agent communication using messages: - SubscriptionRequest

- StatusMessage

- MeasMessage

- CommandRequest

Java OPC client OPCagent - OPC interfacing from JACK

Summary

• Followed configuration process from RTUs up to application clients.

• Got a better technical understanding of what happens at the OPCagent.

• Exercise lab follows the process of how to browse, read and write to the OPC server.

Exercise 5: Interfacing with OPC and IEC 60870-5-104 · 2012-10-29 · Exercise 5: Interfacing with...

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