Automating with Step 7 in STL and SCL

Programmable Controllers Simatic S7-300/400

Hans Berger

442 pages, parution le 10/01/2002 (2^eme édition)

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Résumé

SIMATIC S7 programmable controllers are used to implement industrial control systems for machines, manufacturing plants and industrial processes. The relevant open-loop and closed-loop control tasks can be solved using the STEP 7 programming software, which has been developed on the basis of STEP 5, with its various programming languages.

This book describes elements and applications of the text-oriented programming languages STL (statement list) and SCL (structured control language) for use with both SIMATIC S7-300 and SIMATIC S7-400. It is aimed at all users of SIMATIC S7 programmable controllers. First-time users will be introduced to the field of programmable logic control whereas advanced users will learn about specific applications of SIMATIC S7 programmable controllers.

The enclosed diskette contains many programming examples written in STL and SCL and archived within block libraries. The examples can be viewed, modified and tested using the enclosed STEP 7 demo version on CD-ROM.

Contents

Introduction.

SIMATIC S7-300/400 Programmable Controller.
STEP 7 Programming Software.
SIMATIC S7 Program.
BASIC FUNCTIONS.
Binary Logic Operations.
Memory Functions.
Move Functions.
Timer Functions.
Counter Functions.
DIGITAL FUNCTIONS.
Comparison Functions.
Arithmetic Functions.
Math Functions.
Conversion Functions.
Shift Functions.
Word Logic.
PROGRAM FLOW CONTROL.
Status Bits.
Jump Functions.
Master Control Relay.
Block Functions.
Block Parameters.
PROGRAM PROCESSING.
Main Program.
Interrupt Handling.
Restart Characteristics.
Error Handling.
VARIABLE HANDLING.
Data Types.
Indirect Addressing.
Direct Variable Access.
STRUCTURED CONTROL LANGUAGE (SCL).
Introduction, Language Elements.
Control Statements.
SCL Blocks.
SCL Functions.
IEC Functions.
Appendix.
S5/S7 Converter.
Block Libraries.
STL Operation Overview.
SCL Statement and Function Overview.

Index.

Abbreviations.

STEP 7 Demo Software.

L'auteur - Hans Berger

Hans Berger is a very experienced developer of automation systems and software and a most successful author of technical books. He has published more than 30 books on automation technology. Including all editions in English, German and Spanish, his total book record comprises more than 70 editions.

Caractéristiques techniques

	PAPIER
Éditeur(s)	Siemens
Auteur(s)	Hans Berger
Parution	10/01/2002
Édition	2^eme édition
Nb. de pages	442
Format	17,4 x 25
Couverture	Relié
Poids	997g
Intérieur	Noir et Blanc
EAN13	9783895781698