OPC_e.pdf

SIMATIC NET

Introduction to the OPC Server for SIMATIC NET

Manual

1 Overview of the OPC Server for SIMATIC NET

2 Quick Start

3 Basics of OLE

4 Basics of OPC

5 Structure of the OPC Items for the SIMATIC NET Data Access Interface

6 Properties of the OPC Event Server for SIMATIC NET

7 Configuration of the OPC Server for SIMATIC NET

8 Configuration Using Files

9 DCOM with the OPC-Server for SIMATIC NET

10 The OPC Custom Interface for Data Access

11 The OPC Automation Interface for Data Access

12 The OPC Custom Interface for Alarms & Events

13 Where to Get Help

14 Glossary

SIMATIC Computing

6GK1971-0BA00-0AA1

Release 3

SIMATIC NET is a trademark of Siemens

Siemens Aktiengesellschaft

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Software geprüft. Dennoch können Abweichungen

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6GK1971-0BA00-0AA1

We have checked the contents of this manual for

agreement with the hardware described. Since

deviations cannot be precluded entirely, we cannot

guarantee full agreement. However, the data in this

manual are reviewed regularly and any necessary

corrections included in subsequent editions.

Suggestions for improvement are welcome.

Technical data subject to change.

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6GK1971-0BA00-0AA1

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6GK1971-0BA00-0AA1

Nous nous réservons le droit de modifier les

caractéristiques techniques.

Siemens Aktiengesellschaft

Elektronikwerk Karlsruhe

Printed in the Federal Republic of Germany

SIMATIC NET

Introduction to the OPC Server for SIMATIC NET

Manual

C79000-B8976-C126/3

Note

We would point out that the contents of this product documentation shall not become a part of or modify any prior or

existing agreement, commitment or legal relationship. The Purchase Agreement contains the complete and exclusive

obligations of Siemens. Any statements contained in this documentation do not create new warranties or restrict the

existing warranty.

We would further point out that, for reasons of clarity, these operating instructions cannot deal with every possible problem

arising from the use of this device. Should you require further information or if any special problems arise which are not

sufficiently dealt with in the operating instructions, please contact your local Siemens representative.

General

This device is electrically operated. In operation, certain parts of this device carry a dangerously high

voltage.

WARNING !

Failure to heed warnings may result in serious physical injury and/or material damage.

Only appropriately qualified personnel may operate this equipment or work in its vicinity. Personnel

must be thoroughly familiar with all warnings and maintenance measures in accordance with these

operating instructions.

Correct and safe operation of this equipment requires proper transport, storage and assembly as well

as careful operator control and maintenance.

Personnel qualification requirements

Qualified personnel as referred to in the operating instructions or in the warning notes are defined as persons who are

familiar with the installation, assembly, startup and operation of this product and who possess the relevant qualifications for

their work, e.g.:

Training in or authorization for connecting up, grounding or labeling circuits and devices or systems in accordance with

current standards in safety technology;

Training in or authorization for the maintenance and use of suitable safety equipment in accordance with current

standards in safety technology;

First Aid qualification.

Siemens Aktiengesellschaft

Elektronikwerk Karlsruhe

Printed in the Federal Republic of Germany

Contents

Overview of the OPC Server for SIMATIC NET...................................................... .13

1.1

OPC Interface............................................................................................... .14

1.2

OPC Server, OPC Server for SIMATIC NET................................................. .16

1.3

Advantages of the OPC Server..................................................................... .18

1.4

Background Knowledge................................................................................. .19

1.5

Guide to the Documentation.......................................................................... .20

Quick Start............................................................................................................... .21

2.1 Installing and Starting up the Underlying Communications System................ .22

2.1.1 Installing the DP Protocol.............................................................................. .23

2.1.2 Installing the S7 Protocol............................................................................... .24

2.1.3 Starting Up the S7 Protocol for Alarms & Events........................................... .25

2.1.4 Installing the FMS Protocol............................................................................ .26

2.1.5 Installing the Send/Receive Protocol for Industrial Ethernet........................... .28

2.1.6 Installing the Send/Receive Protocol for PROFIBUS (FDL)........................... .30

2.1.7 Commissioning the DP Slave........................................................................ .32

2.2 Simulation Connections of the OPC Server................................................... .33

2.2.1 Working with the Simulation Connection........................................................ .34

2.3

Description of the Quick Start........................................................................ .35

2.4

Using the Quick Start..................................................................................... .36

Basics of OLE.......................................................................................................... .39

3.1

COM as the Basis for OPC............................................................................ .40

3.2

Objects and Interfaces................................................................................... .41

3.3

Standard Representation of Objects in OLE.................................................. .43

3.4

Object Control Via the Automation Interface.................................................. .44

Basics of OPC.......................................................................................................... .45

4.1

The Role of OLE in OPC............................................................................... .46

4.2

The OPC Specifications................................................................................ .47

4.3

The Two Interfaces of OPC........................................................................... .48

4.4

The Class Model of OPC Data Access........................................................... .50

4.5

The Principle of OPC Alarms & Events.......................................................... .52

4.6

Group Operations.......................................................................................... .55

4.7

The Client-Server Architecture of OPC.......................................................... .56

4.8

Terminology of the OPC Interface Description............................................... .58

Structure of the OPC Items for the SIMATIC NET Data Access Interface............. .63

Introduction to the OPC Server for SIMATIC NET

6GK1971-0BA00-0AA1

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