M7LATR_E.PDF

Preface, Table of Contents

SIMATIC

Part 1: User Information

Programming Loadable Drivers

System Software for M7-300/400

Writing Loadable Drivers

Part 2: Reference Information

Function Calls

Manual

Data Structures and Error Codes

Appendix

Index

Part of M7-SYS RT V4.0

Edition 1, April 1998

Chapter

Safety Guidelines

This manual contains notices which you should observe to ensure your own personal safety, as well as to

protect the product and connected equipment. These notices are highlighted in the manual by a warning

triangle and are marked as follows according to the level of danger:

Danger

indicates that death, severe personal injury or substantial property damage will result if proper precau-

tions are not taken.

Warning

indicates that death, severe personal injury or substantial property damage can result if proper precau-

tions are not taken.

Caution

indicates that minor personal injury or property damage can result if proper precautions are not taken.

Note

draws your attention to particularly important information on the product, handling the product, or to a

particular part of the documentation.

Qualified Personnel

Only qualified personnel should be allowed to install and work on this equipment. Qualified persons are

defined as persons who are authorized to commission, to ground, and to tag circuits, equipment, and sys–

tems in accordance with established safety practices and standards.

Correct Usage

Note the following:

Warning

This device and its components may only be used for the applications described in the catalog or the

technical description, and only in connection with devices or components from other manufacturers which

have been approved or recommended by Siemens.

This product can only function correctly and safetly if it is transported, stored, set up and installed cor-

rectly, and operated and maintained as recommended.

Trademarks

are registered trademarks of SIEMENS AG.

Some of the other designations used in these documents are also registered trademarks; the owner’s

rights may be violated if they are used by third parties for their own purposes.

, SIMATIC HMI

and SIMATIC NET

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.

Disclaimer of Liability

We have checked the contents of this manual for agreement with the hard-

ware and software 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 welcomed.

Siemens AG

Automation and Drives Group

Industrial Automation Systems

P.O.Box 4848, D- 90327 Nuremberg

Siemens AG 1998

Technical data subject to change.

System Software for M7-300/400Writing Loadable Drivers

Part of M7-SYS RT V4.0

Index-2

Siemens Aktiengesellschaft

SIMATIC

Preface

Purpose of the Manual

This manual supports you in writing your own loadable drivers for the M7-300/400

automation system. It describes the structure and operating principle of loadable

drivers under M7 RMOS32 and the methods used to program them.

The manual is intended both as a user manual and as a reference document for

the necessary function calls and data structures.

Audience

This manual is aimed at system programmers who develop loadable drivers for

hardware components of the M7-300/400 automation system.

You will need to be familiar with the M7-SYS RT system software, the STEP 7

standard software, and the programming language C. You should also be familiar

with the hardware for which you intend to program a driver.

Validity of the Manual

This manual is valid for the M7-SYS RT system software, version V4.0.

Documentation Required

The following manuals contain additional information about the M7-SYS RT system

software and the development of application programs for SIMATIC M7-300/400

automation systems, and are available from your regional Siemens office.

System Software for M7-300/400Writing Loadable Drivers

Part of M7-SYS RT V4.0

Preface

Documentation Package System Software for M7-300/400

Order No. 6ES7802-0FA14-8BA0

Manual

General

Contents

Contents Relating to

Loadable Drivers

Installation and

Operation,

User Manual

Installation and operation

of M7–300/400

automation computers

Loading of drivers

Program Design,

Programming Manual

Design and development

of C programs.

Communication with

loadable drivers from the

user program

System and Standard

Functions, Reference

Manual

Detailed information on

programming with

M7–SYS RT

Function calls and data

structures for

communication with

loadable drivers

Manual and Online Help

This manual is only available in electronic format as part of the M7-SYS RT system

software V4.0. The reference section of the manual, which describes the function calls

and data structures, is also available in the online help file M7RLDRVB.HLP in the

S7BIN directory of STEP 7. You can include this file in the search range of the

OpenHelp function of the Borland IDE for context–sensitive support during

programming. The procedure used to include the file is the same as for the other help

files of M7-SYS RT and M7 ProC/C++.

Feedback

We need your help to enable us to provide you and future M7-SYS RT users with

optimum documentation. If you have any questions or comments on this manual or

the online help, please fill in the remarks form at the end of the manual and return it

to the address shown on the form. We would be grateful if you could also take the time

to answer the questions giving your personal opinion of the manual.

Literature References /.../

References to other manuals are shown using the part number of the literature

between slashes /.../. Using these numbers you can find out the exact title of the

manual from the literature list at the end of this manual.

SIMATIC Training Center

Siemens also offers a number of training courses to introduce you to the SIMATIC S7

and M7 automation systems. Please contact your regional training center or the

central training center in Nuremberg, Germany for details:

D-90327 Nuremberg, Tel. (+49) (911) 895 3154.

System Software for M7-300/400Writing Loadable Drivers

Part of M7-SYS RT V4.0

Preface

SIMATIC Customer Support Hotline

Contactable worldwide round the clock:

Nuremberg

Johnson City

Singapore

Simatic Basic Hotline

Nuremberg

SIMATIC BASIC Hotline

Johnson City

SIMATIC BASIC Hotline

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Phone:

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Phone:

+49 (911) 895-7777

Fax:

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Fax:

+49 (911) 895-7001

E-Mail:

simatic@

singnet.com.sg

System Software for M7-300/400Writing Loadable Drivers

Part of M7-SYS RT V4.0

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