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Automating with STEP 7 in STL and SCL

SIMATIC S7-300/400 Programmable Controllers

Hans Berger (Autor)

Media-Kombination

442 Seiten

2001 | 2nd Revised edition
Wiley-VCH Verlag GmbH
978-3-89578-169-8 (ISBN)

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This text describes elements and applications of the command-oriented STL (statement list) programming language for use with both SIMATIC S7-300 and SIMATIC S7-400. It is aimed at all users of SIMATIC S7 programmable controllers.

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 STEP 7.

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.

Erscheint lt. Verlag	3.7.2001
Zusatzinfo	Ill.
Verlagsort	Weinheim
Sprache	englisch
Maße	176 x 253 mm
Gewicht	996 g
Themenwelt	Technik ► Elektrotechnik / Energietechnik
ISBN-10	3-89578-169-X / 389578169X
ISBN-13	978-3-89578-169-8 / 9783895781698
Zustand	Neuware