Siemens SIMATIC S5 Series User manual

SIMATIC S5

Second Serial Interface of the

S5-95U Programmable Controller

Manual

EWA 4NEB 812 6095-02a

Edition 02

STEP ®, SIMATIC ® and SINEC ® are registered trademarks of Siemens AG

Subject to change without prior notice.

”The reproduction, transmission or use of this document or

its contents is not permitted without express written authority.

Offenders will be liable for damages. All rights, including

rights created by patent grant or registration of a utility model

or design, are reserved.

EWA 4NEB 812 6095-02

Introduction

Description of the System

Computer Link with 3964(R) Transmission Protocol

ASCII Driver

Appendices

Point-To-Point Link with SINEC L1 Protocol

Index

A/B/C/

D/E

EWA 4NEB 812 6095-02

S5-95U, Second Serial Interface Contents

Contents

Page

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

1 Description of the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

1.1 Possible Applications of the S5-95U with Second Serial Interface . . . . . 1 - 2

1.2 Range of Functions of the Two Serial Interfaces . . . . . . . . . . . . . . . . . 1 - 5

1.3 Configuration of the PLC and Assignment of the Second Serial Interface 1 - 7

2 Point-To-Point Link with SINEC L1 Protocol . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1

2.1 Connection of Nodes in a Point-To-Point Link . . . . . . . . . . . . . . . . . . . 2 - 4

2.2 Data Traffic and DB1 Parameter Assignment in a

Point-To-Point Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 6

2.3 Coordination Bytes in a Point-To-Point Link . . . . . . . . . . . . . . . . . . . . . 2 - 7

2.4 Program Example of Point-To-Point Link . . . . . . . . . . . . . . . . . . . . . . . 2 - 8

3 Computer Link with 3964(R) Transmission Protocol . . . . . . . . . . . . . . . . . . 3 - 1

3.1 Connection of Communication Partners in a Computer Link . . . . . . . . . 3 - 3

3.2 Data Traffic via Computer Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5

3.3 Coordination Bytes for a Computer Link . . . . . . . . . . . . . . . . . . . . . . . 3 - 7

3.4 Parameterizing the Computer Link in DB1 . . . . . . . . . . . . . . . . . . . . . . 3 - 10

3.5 Sample Program for Computer Link . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 15

3.6 The 3964(R) Transmission Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 18

EWA 4NEB 812 6095-02

Contents S5-95U, Second Serial Interface

Page

4 ASCII Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 1

4.1 Connection of Communication Partners when Using the ASCII Driver . . . 4 - 2

4.2 Data Traffic with the ASCII Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 4

4.3 Coordination Bytes for Use of the ASCII Driver . . . . . . . . . . . . . . . . . . 4 - 6

4.4 Parameterizing the ASCII Driver in DB1 . . . . . . . . . . . . . . . . . . . . . . . . 4 - 8

4.5 Program Example for the ASCII Driver . . . . . . . . . . . . . . . . . . . . . . . . 4 - 17

Appendices

A DB1 Parameters, DB1 Parameterizing Errors . . . . . . . . . . . . . . . . . . . . . . . A - 1

B Positions of the Parameters in the System Data Area of the PLC,

ASCII Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B - 1

C List of Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C - 1

D Accessories and Order Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D - 1

E Technical Data, Scan On-Load Times of the PLC When Using the

Second Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E - 1

Index

EWA 4NEB 812 6095-02

S5-95U, Second Serial Interface Introduction

Introduction

The S5-95U programmable controller with second serial interface can communicate with other

devices via interface-specific functions.

In order to be able to use the performance capability of the second serial interface of the S5-95U

(SI2) in full, the user requires detailed information.

This Product Manual describes all functions which are possible at the second serial interface of the

S5-95U (SI2). It represents a supplement to the S5-90U/S5-95U System Manual. We assume

therefore that you have the S5-90U/S5-95U System Manual.

For information concerning both the S5-95U with SI2 and the S5-95U basic device, e.g. ”installation

guidelines”, ”startup and program testing”, refer to the S5-90U/ S5-95U System Manual. At

corresponding locations in the Product Manual, reference is made to sections in the System Manual.

Experience in installation and startup of electrotechnical plants is not necessary but helpful in order

to work successfully with this Product Manual.

On the following pages, you will find information which should facilitate handling of the Product

Manual.

Description of contents

• Section 1

This introductory section provides an overview of the devices that can be connected to the

second serial interface of the S5-95U. You will learn which communications mechanism you

should use for your specific application and which special features are to be considered if

devices are connected to both serial interfaces of the S5-95U.

• Sections 2, 3 and 4

In these sections, the different communications mechanisms are explained in detail by way of

examples.

• Appendices

The appendices contain overviews for regular use, such as all DB1 parameters for SI2 and

additional information for the ”system expert”, e.g. where the individual parameters are entered

in the system data area.

To make the startup phase of your system as short as possible, we recommend using this Product

Manual in the following way:

Read Section 1 since it tells you which communications mechanism is best suited to your

application

Read the relevant section on ”communications”(2, 3 or 4).

EWA 4NEB 812 6095-02

vii

Introduction S5-95U, Second Serial Interface

Conventions

The uniformity of the S5-90U/S5-95U System Manual and the Product Manual ”Second Serial

Interface of the S5-96U Programmable Controller”is assured.

All conventions which are listed in the introduction to the System Manual apply to this Product

Manual. Please refer to the System Manual.

For definitions of the terms ”Warning”, ”Danger”, ”Caution”and ”Note”please see the ”Safety-

Related Guidelines for the User”at the end of this introduction.

Courses

SIEMENS offers extensive training opportunities for SIMATIC S5 users.

For more detailed information please contact your Siemens office.

Reference material

Reference material is listed in the S5-90U/S5-95U System Manual, Appendix E.

Information on the range of devices available for an S5-95U programmable controller is provided in

the following catalogs:

• ST 52.1 ”SIMATIC S5-90U, S5-95U and S5-100U Programmable Controllers

ET 100U Electronic Terminator”

• ST 52.3 ”SIMATIC S5-115U, S5-115H and S5-115F Programmable Controllers”

• ST 54 ”SIMATIC S5-135U and S5-155U Programmable Controllers”

• ST 59 ”SIMATIC S5 Programmers”

• ST 80 ”COROS Control and Process Monitoring Systems”

• IPC 10 ”SICOMP Industrial PCs System Units and Standard Peripherals”

• IPC 12 ”SICOMP Industrial PCs Communications and Process Peripherals”

• PR 30 ”SICOMP M Computer-Systems”

• MOBY-I ”MOBY-I Identification System”

• MP 66 ”TELEPERM M Automation Systems AS 235, AS 235 H and AS 235 K”

Other components and modules (e.g. CPs and SINEC L1) are described in separate manuals. These

sources of information will be referred to in the relevant sections of this manual.

Sheets for corrections/suggestions are included at the end of this manual. Please enter your

suggestions for improvement, additions and corrections in these sheets and return them to us. In

this way, you enable us to improve the next edition.

viii

EWA 4NEB 812 6095-02

S5-95U, Second Serial Interface Introduction

Safety-Related Guidelines for the User

This document provides the information required for the intended use of the particular product. The

documentation is written for technically qualified personnel.

Quialified personnel as referred to in the safety guidelines in this document as well as on the product

itself are defined as follows:

• System planning and design engineers who are familiar with the safety concepts of automation

equipment.

• Operating personnel who have been trained to work with automation equipment and are

conversant with the contents of the document in as far as it is connected with the actual

operation of the plant.

• Commissioning and service personnel who are trained to repair such automation equipment and

who are authorized to energize, de-energize, clear, ground, and tag circuits, equipment, and

systems in accordance with established safety practice

Danger Notices

The notices and guidelines that follow are intended to ensure personal safety, as well as protect the

products and connected equipment against damage.

The safety notices and warnings for protection against loss of life (the users or service personnel) or

for protection against damage to property are highlighted in this document by the terms and

pictograms defined here. The terms used in this document and marked on the equipment itself have

the following significance.

Warning

indicates that death, severe personal injury or

substantial property damage can result if

proper precautions are not taken.

Caution

indicates that minor personal injury or

property damage can result if proper

precautions are not taken.

Note

contains important information about the

product, its operation or a part of the

document to which special attention is drawn.

Danger

indicates that death, severe personal injury

or substantial property damage will result if

proper precautions are not taken.

Proper Usage

Warning

• The equipment/system or the system components may only be used for the

applications described in the catalog or the technical description, and only in

combination with the equipment, components, and devices of other

manufacturers as far as this is recommended or permitted by Siemens.

• The product will function correctly and safely only if it is transported, stored, set

up, and installed as intended, and operated and maintained with care.

EWA 4NEB 812 6095-02

1 Description of the System

1.1 Possible Applications of the S5-95U with Second Serial

Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 2

1.2 Range of Functions of the Two Serial Interfaces . . . . . . . . . . . . . . 1 - 5

1.3 Configuration of the PLC and Assignment of the

Second Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 7

EWA 4NEB 812 6095-02

Figures

1.1 Device Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 2

1.2 S5-95U LEDs, Controls and Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 7

1.3 Pin Assignments of the Second Serial Interface of the S5-95U . . . . . . . . . 1 - 8

Tables

1.1 Criteria for Selecting the Communications Mechanism . . . . . . . . . . . . . . . 1 - 3

1.2 Characteristics of the Communications Mechanisms . . . . . . . . . . . . . . . . . 1 - 4

1.3 Overview of the Functions Possible at SI1 and SI2 interfaces . . . . . . . . . . 1 - 5

EWA 4NEB 812 6095-02

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