Automating with Step 7 in Stl and Scl : Programmable Controllers Simatic S7-300/400 （2 HAR/CDR）

Automating with Step 7 in Stl and Scl : Programmable Controllers Simatic S7-300/400 （2 HAR/CDR）

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  • 製本 Hardcover:ハードカバー版
  • 言語 ENG
  • 商品コード 9783895781698
  • DDC分類 003

Full Description


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.

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.