Automating with SIMATIC S7-1200 with STEP 7 Basic 2013.pdf

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Automating with SIMATIC S7-1200 with STEP 7 Basic 2013.pdf 西门子 plc Hans Berger Automating with 系列丛书
Automating with SIMATIC S7-1200 Configuring, Programming and Testing with stEp 7 Basic Visualization with hmi basic by Hans berger 2n enlarged and revised edition 2013 Publicis publishin bliographic information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek lists this publication in the Deutsche Nationalbibliografie detailedbibliographicdataareavailableontheInternetat he author, translators and publisher have taken great care with all texts and illustrations in this book. Nevertheless, errors can never be completely avoided The publisher, author and translators accept no liability, for whatever legal reasons for any damage resulting from the use of the programming examples Print|SBN:9783-89578-385-2 ePDF IsBn:978-3-89578-9014 edition. 2013 Editor: Siemens Aktiengesellschaft, Berlin and Munich Publisher: Publicis Publishing, Erlangen c 2013 by Publicis Erlangen, Zweigniederlassung der PWW gmbH This publication and all parts thereof are protected by copyright. Any use of it outside the strict provisions of the copyright law without the consent of the publisher is forbidden and will incur penalties. This applies particularly to reproduction, translation, microfilming or other processing, and to storage or processing in electronic systems. It also applies to the use of individual illustrations or extracts from the text Printed in germany Preface Preface The SIMATIC automation system unites all the subsystems of an automation solu tion under a uniform system architecture to form a homogenous whole from the field level right up to process control The Totally Integrated Automation concept permits uniform handling of all autom tion components using a single system platform and tools with uniform operator interfaces. These requirements are fulfilled by the simatic automation system which provides uniformity for configuration, programming, data management and communication This book describes the newly developed siMatIc S7-1200 automation system. The S7-1200 programmable controllers are of compact design and allow modular ex- pansion. Many small applications can be solved using the CPU module with on-board I/O. The technological functions integrated in the cpu module mean that extremely versatile use of the device is possible. Two established programming lan guages are available for solving automation tasks: ladder logic(LaD)and function block diagram(FBD) New SIMatIc hMi Basic Panels have been designed for operator control and moni- toring appropriate to the s7-1200 programmable controllers, and provide a perfor- mance and functionality optimized for small applications. a touch screen with var ious monitor sizes and coordinated communication over industrial ethernet are deal prerequisites for interaction with S7-1200 The step 7 Basic engineering software makes it possible to use all S7-1200 control- ler options. step 7 Basic is the common tool for hardware configuration, genera tion of the control program, and for debugging and diagnostics. The SIMAtIC WinCC Basic configuration software included in STEP 7 Basic is used to configure the Basic Panels. Modern and intuitive user guidance allows efficient and task-ori ented engineering of control and visualization devices This book describes the s7-1200 automation system with S7-1200 programmable controllers and HMI Basic Panels. The description focuses on the generation of the control program using STEP 7 Basic engineering software Version 11 SP2 Nuremberg, February 2013 Hans Berger The contents of the book at a glance The contents of the book at a glance Start Introduction SIMATIC S7-1200: Overview of the SIMATIC S7-1200 automation system STEP 7 Basic: Introduction to the engineering software for SIMATIC S7-1200 SIMATIC project: Basic functions for the automation solution Devices networks The hardware components of S7-1200 Modules: Overview of the simatic s7-1200 modules Device configuration Hardware configuration: Configuration of the hardware design Network configuration: Configuration of a communication network PLC programming The control program Operating modes: How the CPU module responds with STARTUP, RUN and SToP Processing modes: Restart characteristics, main program, interrupt processing, and error handling define the processing of the control program Blocks: Organization blocks, function blocks, functions, and data blocks structure the control program The program editor Programming: How the control program is produced Program information: Tools for supporting programming Ladder logic and function block diagram as programming languages Program elements: The characteristics of LAd and FBD programming; the use of contacts coils, standard boxes, Q boxes and en/ENo boxes Tags and data types Tags: Operand areas, project-wide and block-local tags, addressing Data types: Description of elementary and compound data types Description of the control functions Basic functions: Binary operations, memory functions, edge evaluation, timer and counter functions Digital functions: Move, comparison, arithmetic, math, conversion, shift, and logic functions Program flow control: Jump functions, block end function, block calls The contents of the book at a glance Online diagnostics Connection of programming device to PLC station Online operation: Establish connection to PlC station Status LEDs: The modules signal an error Diagnostics information: Find the error using the diagnostics information Online tools: Control the CPu module using the online tools Online offline project data Download: Download control program into CPU memory Blocks: Edit and compare the blocks offline/online Test: Test the control function using program status and monitoring tables Data communication Open user communication Data transmission: Data exchange from Plc to PLC over ethernet Point-to-point connection PtP: Data transmission with cm modules via rs232 and rs485 Visualization Configuration of Basic Panels Introduction: Overview of Basic panels Start: Create an HMI project, the hMi device wizard Connection to the Plc: Create HMI tags and area pointers Create screens: Configuration of process screens-templates, layers and screen changeover Working with image elements: Arrange and edit operator control and display elements, configure a message system, create recipes, transfer data records, configure user manage ment Complete the HMi program Simulation: Simulate the hMi program with PLC station or with tag table Connection: Transfer the HMi program to the HMI station Appendix Integral and technological functions Functions: High-speed counter, pulse generator, motion control, PID controller Global libraries Overview uss drive control. modbus blocks Table of contents Table of contents 1 Introduction 21 1. 1 Overview of the S7-1200 automation system 21 1.1.1 SIMATIC S7-1200 22 1.1.2 Overview of step 7 Basic 24 1.1.3 Three programming languages 25 1. 1.4 Execution of the user program 1.1.5 Data management in the SIMATIC automation system 29 1. 1.6 Operator control and monitoring with process images 30 1.2 Introduction to step 7 Basic for s7-1200 31 1.2. 1 Installing STEP 7 31 1.2.2 Automation License Manager .31 1.2.3 Starting STEP 7 Basic 1.2.4 Portal view 1.2.5 Help Information system 223 1.2.6 The windows of the project view 34 1.2.7 Adapting the user interface 36 3 Editing a SIMATIC project 1.3.1 Structured representation of project data 1.3.2 Project data and editors for a Plc station 39 1.3.3 Creating and editing a project 1.3.4 Creating and editing libraries 42 2 SIMATIC S7-1200 automation syste 43 2.1 S7-1200 station components 43 2.2 S7-1200 CPU modules 44 2.2. 1 Integrated I/O 44 2.2.2 PROFINET connection 46 2.2.3 Status leds 2.2.4 SIMATIC Memory Card 47 2.2.5 Expansions of the CPU 47 2.3 Signal modules (sm) 49 2.3.1 Digital I/o modules 49 2.3.2 Analog inputoutput modules 50 2.3.3 Properties of the l/o connections 50 2.4 Communication modules(CM) ....52 2.4.1 Point-to-point communication ....52 2.4.2 PROFIBUS DP....,,,,,,,,,,,,, ...52 2.4.3 Actuator/sensor interface ...53 2.4.4 GPRS transmission ....53 2.5 Further modules 4 2.5.1 Compact switch module(CSm) 54 Table of contents 2.5.2 Power module(pm) .54 2.5.3 TS Adapter Ie basic 54 2.5. 4 SiM 1274 simulator 2.6 SIPLUS S7-1200 55 3 Device configuration 3.1 Introduction 7 3.2 Configuring a station 60 3.2.1 Adding a Plc station 60 3.2.2 Arranging modules 3.2.3 Adding an hmi station .....61 3.3 Assigning module parameters 3.3.1 Parameterization of CPU properties 3.3.2 Addressing input and output signals 64 3.3. 3 Parameterization of digital inputs 65 3.3.4 Parameterization of digital outputs 65 3.3.5 Parameterization of analog inputs ..66 3.3.6 Parameterization of analog outputs ..66 3.4 Configuring the network 3.4.1 Introduction 3.4.2 Networking stations .68 3.4.3 Node addresses in a subnet 69 3.4.4 Connectors 70 3.4.5 Configuring a PROFINET subnet ···· 73 3.4.6 Configuring a PROFIBUS subnet ····· 75 3.4.7 Configuring an AS-i subnet 77 4 Variables and data types 79 4.1 Operands and tags 79 4.1.1 Introduction, overview 79 4.1.2 Operand areas: inputs and outputs 80 4.1.3 Operand area bit memory 82 4.1.4 Operand area data 4.1.5 Operand area temporary local data 85 4.2 Addressing 85 4.2. 1 Signal path 85 4.2. 2 Absolute addressing of an operand ..86 4.2. 3 Absolute addressing of an operand area ..86 4.2.4 Symbolic addressing 88 4.2.5 Addressing a tag part 89 4.2.6 Addressing constants 89 4.2.7 Indirect addressing 89 4.3 General information on data types 92 4.3. 1 Overview of data types 2 4.3.2 Implicit data type conversion 4.3.3 Overlaying tags(data type views) 93 4.4 Elementary data types 95 4.4.1 Bit-serial data types bOOL, BYTE, WOrd and dWord 95

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